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Service Source K P o wer Mac G4/ Macintosh Ser v er G4 Power Mac G4 (AGP Graphics/Gigabit Ethernet/Digital Audio/ QuickSilver/QuickSilver 2002 /QuickSIlver 2002ED ), Power Mac G4 (PCI Graphics), Macin.
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Basics Po wer Mac G4/ Macintosh Serv er G4.
Basics Product Description - 1 | Ov erview Pr oduct Description The Power Mac G4 is the first Power Mac computer based on the PowerPC G4 processor. Some configurations also include support for wireless networking, dual-channel USB, Gigabit Ethernet, dual processing, digital audio, and a wake/sleep power management feature.
Basics Identifying Versions of the Power Mac G4 - 2 Identifying V ersions of the P ower Mac G4 There are six models of Power Mac G4 computers: AGP Graphics, PCI Graphics, Gigabit Ethernet, Digital Audio, QuickSilver, and QuickSilver 2002. Power Mac G4 (QuickSilver and QuickSilver 2002) computers are easy to identify.
Basics New Technologies - 3 To identify the other Power Mac G4 models, check the I/O panel at the back of the computer. The sound ports align horizontally in the lower half of the I/O panel on PCI Graphics models and vertically on AGP Graphics/ Gigabit Ethernet models.
Basics Standard Configurations - 4 | Features Standard Configurations Processor • 350 MHz,400 MHz, 450 MHz, 466 MHz, 500 MHz, 533 MHz, 733 MHz, 800 MHz, 867 MHz, 933 MHz, or 1 GHz PowerPC G4 proces.
Basics Standard Configurations - 5 simultaneous 32-bit data streams • L2 or L3 cache • 100-MHz system bus (PCI Graphics/AGP Graphics/ Gigabit Ethernet) or 133-MHz system bus (QuickSilvers/Digital .
Basics Standard Configurations - 6 Storage • One of the following hard drives: 10, 13, 20, 27, 30, 40, 60, or 80 GB Ultra ATA • One of the following optical drives: – CD-ROM drive – CD-RW drive – DVD-ROM drive – DVD-RAM drive – DVD-R/CD-RW drive – DVD/CD-RW drive • Optional 100 or 250 MB Zip drive • Three 3.
Basics Standard Configurations - 7 Graphics Support • Video card installed in a dedicated graphics slot (either a PCI slot or an AGP slot) • Support for up to 1,600 by 1,200 pixel resolution at 32.
Basics Standard Configurations - 8 Electrical Requirements and Agency Appr ovals • Line voltage: 115V AC (90V to 132V AC) or 230V AC (180V to 264V AC) • Frequency: 47 to 63 Hz, single phase • Ma.
Basics Standard Configurations - 9 Size and W eight • Height: 17.0 inches (43.2 cm) • Width: 8.9 inches (22.6 cm) • Depth: 18.4 inches (46.7 cm) • Weight: 30.
Basics Configure-to-Order Options - 1 0 Configur e-to-Order Options The configure-to-order options are available from the Apple Store. For more information, view the options online at http://store.
Basics Power Mac G4 (AGP Graphics/Gigabit Ethernet) Views - 1 1 | Vi e w s P ower Mac G4 (A GP Graphics/Gigabit Ethernet) V iews P ower Mac G4 (Digital A udio) V iews FireWire Ports (2) Sound Input Po.
Basics Power Mac G4 (AGP Graphics/Gigabit Ethernet) Internal Locator - 1 2 P ower Mac G4 (A GP Graphics/Gigabit Ethernet) Internal Locator P ower Mac G4 (QuickSilvers/Digital A udio) Internal Locator .
Basics PowerMac G4 (AGP Graphics/Gigabit Ethernet) Logic Boards - 1 3 P owerMac G4 (A GP Graphics/Gigabit Ethernet) Logic Boards Batter y PCI Slots Po w e r FireWire P or ts (2) Internal FireWi.
Basics PowerMac G4 (QuickSilvers/Digital Audio) Logic Board - 1 4 P owerMac G4 (QuickSilvers/Digital A udio) Logic Board Battery PCI Slots Power FireWire Ports (2) USB Ports A & B Ethernet Connect.
Basics Power Mac G4 (PCI Graphics) Logic Board - 1 5 P ower Mac G4 (PCI Graphics) Logic Board J1 A T A-3 (CD/D VD-ROM and Zip Drive J15 Ultra DMA/33 (A T A Dr ives) J23 P ow er Batter y S5 P.
Basics Strategy and Ordering - 1 6 | Repair Strate gy/W arranty Strategy and Ordering Service Power Mac G4 computers through module exchange and parts replacement. Apple-authorized service providers planning to support the computer systems covered in this manual may purchase service modules and parts to develop servicing capability.
Basics Strategy and Ordering - 1 7 USA Ordering U.S. service providers not enrolled in AppleOrder may fax their orders to Service Provider Support (512-908- 8125) or mail them to: Apple Computer, Inc. Service Provider Support / MS 212-SPS 2323 Ridgepoint Drive Austin, TX 78754 For U.
Basics Warranty - 1 8 Canadian Ordering Canadian service providers not enrolled in ARIS may fax their orders to Service Provider Support in Canada (800- 903-5284). For Canadian inquiries, please call Service Provider Support (800-217-9517). W arranty U .
Basics Warranty - 1 9 Canada Only Power Mac G4 computers are covered under the Apple One- Year Limited Warranty. The AppleCare Protecion Plan is also available for these products. Service providers are reimbursed for warranty and AppleCare Protection Plan repairs.
Service Source K © 2002 Apple Computer, Inc. All rights reserved. T ake Apart Po wer Mac G4 / Macintosh Serv er G4.
Take Apart Identifying Models of the Power Mac G4 - 1 General Identifying Models of the P ower Mac G4 There are six models of Power Mac G4 computers: AGP Graphics, PCI Graphics, Gigabit Ethernet, Digital Audio, QuickSilver, and QuickSilver 2002. Power Mac G4 (QuickSilver and QuickSilver 2002) computers are easy to identify.
Take Apart Identifying Models of the Power Mac G4 - 2 have a silver-colored case. They also have a recessed speaker on the front panel. To identify the other Power Mac G4 models, check the I/ O panel at the back of the computer.
Take Apart Identifying Models of the Power Mac G4 - 3 expansion slots, instead of three slots on PCI/AGP Graphics/Gigabit Ethernet models. To further distinguish Gigabit Ethernet models from AGP Graphics models, check the logic boards. AGP Graphics boards include an internal FireWire connector at J9; Gigabit Ethernet boards do not.
Take Apart Tools - 4 T ools • Flatblade screwdriver • Phillips screwdriver • Allen wrench (2.5 mm) to remove the power supply, side panels, top and rear handles, and front and rear supports • .
Take Apart Opening the Computer - 5 Procedures Opening the Computer No preliminary steps are required before you begin this procedure..
Take Apart Opening the Computer - 6 1. Lift the latch to unlock the right side access panel. Note: Make sure the security bar is in the unlock position. 2. Gently lower the side panel onto a clean, ESD- safe mat to avoid scratching the case. Lower the side panel until it lies flat.
Take Apart Video Card - 7 V ideo Card Before you begin, do the following: • Open the side access panel. • Remove the external video cable. Note: The AGP video card is always installed in slot 1 (short slot). The DVD decoder module is used only in Power Mac G4 (PCI Graphics) computers.
Take Apart Video Card - 8 1 . Remove the video card mounting screw. 2 . If a plastic clip sur- rounds the video card connector, gently p ull back the clip’ s tab to release the card. Then gently pull the card up , and remov e it from the AGP slot. 3.
Take Apart Video Card - 9 Replacement Note: If the replacement card does not hav e a f ence already installed, attach the f ence enclosed in the bo x. Using a Phillips screwdriv er , install the two small Phillips screws on either side of the ADC connector and the two large Phillips scre ws on the f ence side tabs.
Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 10 Modem, A GP Graphics/Gigabit Ethernet/Digital A udio/ QuickSilvers Note: The Power Mac G4 (AGP Graphics/Gigabit Ethernet/Digital Audio/ QuickSilver/QuickSilver 2002) modem requires a modem filter; the two are separate parts.
Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 11 W arning: Use care when disconnecting or connecting the modem to the J27 connector on the logic board. Bent pins in the J27 connector could cause a short in the logic board.
Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 12 3 . Disconnect the modem filter cable from the modem. 4 . Remove the modem from the computer. Replacement Note: After replacing an international modem, use the Modem Country Selector utility to set the modem to the correct country.
Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers Modem Filter , A GP Graphics/Gigabit Ethernet/Digital A udio/ QuickSilvers Before you begin, do the following: • Open the side access panel. • Remove the logic board.
Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers 1 . Remove the screw that secures the modem filter to the I/O panel..
Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers 2. Free the modem filter cable from the chassis guides and remove the modem filter from the computer.
Take Apart Modem, PCI Graphics - 1 6 Modem, PCI Graphics Before you begin, open the side access panel. W arning: Use care when disconnecting or connecting the modem to the J27 connector on the logic board. Bent pins in the J27 connector could cause a short in the logic board.
Take Apart Modem, PCI Graphics - 1 7 1 . Remove the screw (located next to the modem port) that secures the modem to the I/O panel. 2 . Remove the screw that secures the modem leg standoff to the logic board.
Take Apart Modem, PCI Graphics - 1 8 3. Carefully disconnect the flexible modem cable from the logic board. Important: The modem cable is very fragile. 4. Gently lift up the modem to remove it from the logic board. Note: If you are replacing the modem, continue with the Take Apart procedures to remove the modem from the bottom modem shield.
Take Apart Modem, PCI Graphics - 1 9 5. With a jeweler’s screwdriver, pry up the metal tabs on the top shield. 6. Carefully disconnect the flexible modem cable from the modem board.
Take Apart Modem, PCI Graphics - 2 0 7 . Remove the screw securing the modem to the bottom shield..
Take Apart Modem, PCI Graphics - 2 1 8. Note: There are two tiny metal tabs on the inside of the bottom shield. The modem rests on these tabs so it does not make contact with the bottom shield. With a needlenose pliers, pinch the tiny metal tabs flat so the modem board can be removed from the bottom shield.
Take Apart Modem, PCI Graphics - 2 2 9. Carefully spread the sides of the bottom shield out just enough so the modem clears the tabs, and starts to fall out of the bottom shield.
Take Apart FireWire Board, PCI Graphics - 23 Fir eWir e Board, PCI Graphics Note: The FireWire board is used only in Power Mac G4 (PCI Graphics) computers. Power Mac G4 (AGP Graphics/Gigabit Ethernet/ Digital Audio/QuickSilver/ QuickSilver 2002) computers have FireWire built into the logic board.
Take Apart FireWire Board, PCI Graphics - 24 1 . Remove the screw securing the FireWire board to the I/O panel. 2 . Remove the screw that secures the FireWire board to the metal standoff. 3. Disconnect the FireWire cable, the short 3-pin cable from the back of the FireWire board or logic board.
Take Apart Processor Fan, Power Mac G4 (QuickSilvers) - 2 5 Pr ocessor Fan, P ower Mac G4 (QuickSilvers) Before you begin, open the side access panel..
Take Apart Processor Fan, Power Mac G4 (QuickSilvers) - 2 6 1 . Disconnect the processor fan cable from the logic board. 2 . Remove the two fan mounting screws.
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 27 Pr ocessor Module, P ower Mac G4 (QuickSilvers) Before you begin, do the following: • Open the side access panel. • Remove the processor fan. ± W arning: The heatsink covering the processor may be hot.
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 28 1. For single processors: Release the right heat- sink clip by pressing down on the top of the clip with one finger while using a small flatblade screwdriver to lift up and out on the clip’s front tab.
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 29 2. For dual processors: Release the right heat- sink clip by pressing down on the top of the clip with a screwdriver while using a second flatblade screwdriver to lift up and out on the clip’s front tab.
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 30 3 . Remove both clips and lift the heatsink off the processor module. ± W arning: When removing the heatsink, be careful not to bend the processor module beneath it.
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 31 ± W arning: Double-check that the computer is turned off before performing this procedure. The screw in the bottom left circle of the illustration conducts 12 V and could spark if grounded while the computer is on.
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 32 5 . To disconnect the processor from the logic board, hold it by the long edges, gently rock the processor right to left, and lift straight up. ± W arning: Hold the module as shown when removing or installing it to avoid bending the processor connector pins.
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 33 conducting screw is loose, arcing can occur, damaging the processor. Important: If you are installing a new processor, use the screw included in the processor box. Install the screw in the screw hole exposed by the heatsink, as shown in the illustration.
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 34 Important: If you are replacing the processor module, you must also transfer the replacement module’s connector cover to the connector on the original module before returning it to Apple.
Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 3 5 Pr ocessor Module, A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, open the side access panel.
Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 3 6 1. While pressing down on the top of the heatsink clip, use a small flatblade screwdriver to lift up and out on the front tab of the clip to release it. 2. Remove the heatsink clip and lift the heatsink off the processor module.
Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 3 7 3 . Remove the processor mounting screws. 4 . To disconnect the processor from the logic board, hold it by the edges nearest the two opposing screw holes (on either side of the connector), gently rock the processor right to left, and lift straight up.
Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 3 8 Important: If you are replacing the processor module, you must also transfer the replacement module’s connector cover to the connector on the original module before returning it to Apple.
Take Apart Processor Module, PCI Graphics - 39 Pr ocessor Module, PCI Graphics Before you begin, open the side access panel. Note: The Power Mac G4 (PCI Graphics) processor requires a jumper installed at J25 on the logic board.
Take Apart Processor Module, PCI Graphics - 40 1 . Remove the screw that attaches the heatsink ground wire to the logic board. ± W arning: The heatsink may be hot to the touch. If the computer has been operating, allow it to cool down before continuing.
Take Apart Processor Module, PCI Graphics - 41 3. Remove the heatsink clip and lift the heatsink off the processor module. 4. Lift the lever to release the processor module.
Take Apart Processor Module, PCI Graphics - 42 5. Holding the processor by the edges, gently lift it straight up to disconnect it from the logic board. Caution: Be careful not to bend the pins under- neath the module. Important: If you are only replacing the processor module, stop here.
Take Apart Processor Module, PCI Graphics - 43 6. Remove the warranty sticker and jumper block only if you are replacing the logic board. White jumper: 400 MHz Blue jumper: 350 MHz Caution: When removing the jumper, be sure not to leave its inner metal clips on the old jumper connector.
Take Apart Processor Module, PCI Graphics - 44 7. Install the jumper block with the gold connector pins facing toward the board. Be sure the pins are covered as shown.
Take Apart Processor Module, PCI Graphics - 45 Replacement Note: Position the processor module over the slot, seat it evenly, and press down gently on the module to install it. If you are installing a new processor, i nstall a gap filler on it as illustrated.
Take Apart Processor Module, PCI Graphics - 46 Important: If you are replacing the processor module, you must also transfer the replacement module’s connector cover to the connector on the original module before returning it to Apple. Make sure the hole in the cover aligns with pin one (marked by a white V) on the connector.
Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 47 Logic Board, P ower Mac G4 (QuickSilvers) Before you begin, open the side access panel and remove the following: • video card • processor f.
Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 48 will destroy the processor. 1. Disconnect all cables from the logic board. 2 . Using a Phillips screwdriver, remove the four logic board mounting screws. 3 . Remove the three processor module standoffs.
Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 49 4. Slide the logic board away from the I/O panel to clear the board guides. 5. Tilt the logic board so that the ports clear the openings in the I/O panel and lift the board out of the computer.
Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 5 0 Logic Board, A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, open the side access panel and remove the followi.
Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 5 1 procedure, the steps for removing the board are the same. 1. Disconnect all cables from the logic board. 2 . Using a Phillips screwdriver, remove the three logic board mounting screws.
Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 5 2 4. Slide the logic board away from the I/O panel to clear the board guides. 5. Tilt the logic board so that the ports clear the openings in the I/O panel and lift the board out of the computer.
Take Apart Logic Board, PCI Graphics - 53 Logic Board, PCI Graphics Before you begin, open the side access panel and remove the following: • video card • PCI cards (if present) • modem (if prese.
Take Apart Logic Board, PCI Graphics - 54 1. Disconnect all cables from the logic board. 2 . Using a Phillips screwdriver, remove the logic board mounting screws.
Take Apart Logic Board, PCI Graphics - 55 4. Tilt the logic board so that the ports clear the openings in the I/O panel. 5 . Lift the board out of the computer.
Take Apart Logic Board, PCI Graphics - 56 new warranty sticker, which comes with the replacement logic board. See the Take Apart topic “Processor Module, Power Mac G4 (PCI Graphics).
Take Apart SDRAM DIMM - 57 SDRAM DIMM Before you begin, open the side access panel..
Take Apart SDRAM DIMM - 58 1 . Push down on the connector clips to unlock the DIMM. 2. Holding the DIMM by both top corners, lift straight up out of the slot.
Take Apart Hard Drive, IDE /ATA - 5 9 Hard Driv e, IDE /A T A Before you begin, open the side access panel. Note: The Power Mac G4 supports a total of three internal hard drives. It can accommodate up to two Ultra ATA drives in drive bay 3, near the rear of the computer.
Take Apart Hard Drive, IDE /ATA - 6 0 with the ID number already assigned to another drive. One factory-installed drive has ID 0; a second factory- installed drive has ID 1.
Take Apart Hard Drive, IDE /ATA - 6 1 1 . Disconnect the Ultra ATA hard drive data cable and the hard drive power cable (P3) from the hard drive..
Take Apart Hard Drive, IDE /ATA - 6 2 2. Remove the hard drive carrier mounting screw. 3 . Pull the drive carrier back and lift up at an angle to release the carrier tabs from the slots in the chassis. 4. Remove the carrier and drive from the computer.
Take Apart Hard Drive, IDE /ATA - 6 3 5. If you’re returning the drive to Apple, remove the screws that mount the hard drive to the carrier. 6. Lift the hard drive from the carrier. Note: Drives must be returned to Apple in Apple packaging, without cables or carriers.
Take Apart Hard Drive, IDE /ATA - 6 4 Replacement Note: To install two drives in the U-shaped carrier, install the first drive in the bottom of the carrier. Then place the second drive in the carrier’s upper bay and attach screws through the sides of the carrier into the sides of the drive.
Take Apart Hard Drive, IDE /ATA - 6 5 Replacement Note: When reconnecting a dual-drive ATA cable to drives installed in a U-shaped carrier, be sure to attach the end connector to the drive in the bottom of the carrier.
Take Apart Hard Drive, Ultra2 LVD SCSI - 6 6 Hard Driv e, Ultra2 L VD SCSI Before you begin, open the right side access panel. Note: This computer supports a total of three internal hard drives.
Take Apart Hard Drive, Ultra2 LVD SCSI - 6 7 this cable has a built-in terminator so you don’t need to add one. You can connect external Ultra2 LVD SCSI devices to the port on the rear of the computer. If the computer came with one Ultra2 LVD SCSI drive, it’s installed in drive bay 1, near the front of the computer.
Take Apart Hard Drive, Ultra2 LVD SCSI - 6 8 You must assign a SCSI ID number to every additional hard drive and the number must not conflict with the ID number already assigned to a drive on the SCSI chain. One factory-installed drive has ID 0; a second factory- installed drive has ID 1; a third drive has ID 2.
Take Apart Hard Drive, Ultra2 LVD SCSI - 6 9 1. Disconnect the Ultra2 LVD SCSI cable from the Ultra2 LVD SCSI card..
Take Apart Hard Drive, Ultra2 LVD SCSI - 7 0 2. Disconnect the SCSI hard drive power cable (P5). Caution: Pull the SCSI power cable straight out of the connector on the drive.
Take Apart Hard Drive, Ultra2 LVD SCSI - 7 1 4. Remove the hard drive carrier mounting screw. 5 . Pull the drive carrier back and lift up at an angle to release the carrier tabs from the slots in the chassis. 6. Remove the carrier and drive from the computer.
Take Apart Hard Drive, Ultra2 LVD SCSI - 7 2 7. If you’re returning the drive to Apple, r emove the SCSI data cable and terminator (black plastic housing) from the top of the drive. The cable and terminator are attached to the drive with double-stick foam tape.
Take Apart Hard Drive, Ultra2 LVD SCSI - 7 3 8. If you’re returning the drive to Apple, you must also remove the hard drive carrier. Remove the four screws from the carrier and lift out the drive. Note: Drives must be returned to Apple in Apple packaging, without cables or carriers.
Take Apart Hard Drive, Ultra2 LVD SCSI - 7 4 9. If you’re replacing the thermal pad on the drive, remove the old pad and apply the new pad to the same area on the drive. Important: Before installing a new 36 GB Ultra2 LVD SCSI IBM drive, you must apply a thermal pad, part number 922-3863.
Take Apart Ultra2 LVD SCSI Card - 7 5 Ultra2 L VD SCSI Card Before you begin, open the side access panel..
Take Apart Ultra2 LVD SCSI Card - 7 6 1. Remove the Ultra2 LVD SCSI card mounting screw. 2. Disconnect the Ultra2 LVD SCSI cable from the PCI card. Note: Make sure no external cable is attached to the card. 3. Gently lift up on the Ultra2 LVD SCSI card to remove it from the PCI slot.
Take Apart Carrier Support Plate - 77 Carrier Support Plate Note: Perform this procedure only if you must replace the support plate or the cables below the plate. Before you begin, do the following: • Open the side access panel. • Remove the hard drive carrier in drive bay 1.
Take Apart Carrier Support Plate - 78 1 . Remove the two support plate mounting screws from the bottom of the unit..
Take Apart Carrier Support Plate - 79 2 . Lift the plate at an angle and remove it from the computer..
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 80 CD/D VD Driv e, Po wer Mac G4 (QuickSilvers) Before you begin, open the side access panel. Note: You remove the drive carrier from the computer with the drives attached to the carrier.
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 81 1. Remove the four screws that attach the drive carrier to the chassis..
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 82 2 . Supporting the bottom of the carrier, slide it back and rotate it so you can reach the drive cables.
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 83 3. Carefully detach the ribbon cable tape from the top of the carrier. 4. Disconnect the following cables from the back of the CD/DVD/Zip drives: • ribbon cable from the CD/DVD and Zip drives • power cable (P6) from the CD/DVD drive • power cable (P7) from the Zip drive 5.
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 84 6 . Using a Phillips screwdriver, remove the four CD/DVD drive carrier mounting screws. 7. Slide the drive out of the carrier.
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 85 Replacement Note: When inserting the drive carrier into the computer, make sure the pegs on the bottom of the carrier fit into the two notches in the drive shelf.
Take Apart Zip Bezel/Blank Bezel, Power Mac G4 (QuickSilvers) - 86 Zip Bezel/Blank Bezel, P ower Mac G4 (QuickSilvers) Before you begin, open the side access panel.
Take Apart Zip Bezel/Blank Bezel, Power Mac G4 (QuickSilvers) - 87 1. From inside the chassis, behind the front panel, push the bezel tab forward to release the right side of the bezel. 2 . Disconnect the hook on the left side of the bezel from the front panel and remove the bezel from the computer.
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 88 Zip Driv e, Power Mac G4 (QuickSilvers) Before you begin, open the side access panel. Note: You remove the drive carrier from the computer with the drives attached to the carrier.
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 89 1. Remove the four screws that attach the drive carrier to the chassis..
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 90 2 . Supporting the bottom of the carrier, slide it back and rotate it so you can reach the drive cables.
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 91 3. Carefully detach the ribbon cable tape from the top of the carrier. 4. Disconnect the following cables from the back of the CD/DVD/Zip drives: • ribbon cable from the CD/DVD and Zip drives • power cable (P6) from the CD/DVD drive • power cable (P7) from the Zip drive 5.
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 92 6. Slide the Zip drive carrier off the main carrier..
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 93 7 . Using a Phillips screwdriver, remove the four Zip drive mounting screws. 8. Slide the drive out of the carrier.
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 94 Replacement Note: When inserting the drive carrier into the computer, make sure the pegs on the bottom of the carrier fit into the two notches in the drive shelf.
Take Apart CD/DVD Bezel, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 9 5 CD/D VD Bezel, PCI/ A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, open the side access panel.
Take Apart CD/DVD Bezel, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 9 6 1. From inside the chassis, behind the front panel, push the two bezel tabs forward to release the drive bezel from the front panel. 2 . Disconnect the bezel from the hinges on the front left side and remove the bezel from the computer.
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 97 CD/D VD Driv e, PCI/ A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, do the following: • Open the side access panel.
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 98 Note: You remove the drive carrier from the computer with the drives attached to the carrier. 1 . Remove the two screws on the drive carrier. 2. From inside the chassis, push the drive carrier forward about 1 inch.
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 99 3. Disconnect the following cables from the back of the CD-ROM, DVD-ROM, or DVD-RAM drive: • power cable (P7) • IDE data cable • Power Mac G4 (PCI Graphics): audio cable 4.
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 10 0 6. Continue sliding the drive carrier out of the computer. Important: The drive carrier may be difficult to push forward due to the EMI gasket and tape located on the underside of the carrier (directly below the Zip drive).
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 10 1 Note: Perform the following procedure if you are replacing the CD-ROM, DVD-ROM, DVD-RAM, or Zip drive. 8 . Using a Phillips screwdriver, remove the drive carrier mounting screws.
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 10 2 drive back into the carrier, lift the back of the drive slightly so that the drive is flush against the carrier. Replacement Note: When inserting the drive carrier into the computer, make sure the carrier tab slides into the hole on the stationary drive shelf.
Take Apart Zip Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 10 3 Zip Driv e, PCI/A GP Graphics/Gigabit Ethernet/Digital A udio If removing the Zip drive, follow the procedures for removing the CD/DVD Drive.
Take Apart Fan, Power Mac G4 (QuickSilvers) - 104 F an, Po wer Mac G4 (QuickSilvers) Before you begin, open the side access panel..
Take Apart Fan, Power Mac G4 (QuickSilvers) - 105 1. Press the small locking tab on the power-to-fan cable connector and disconnect the cable..
Take Apart Fan, Power Mac G4 (QuickSilvers) - 106 2 . Remove the two screws that mount the fan bracket to the chassis. Replacement Note: Use the longer of the two screws to secure the cable holder and the fan bracket. 3. Lift the fan bracket out of the computer.
Take Apart Fan, Power Mac G4 (QuickSilvers) - 107 Perform the following procedure only if you are replacing the fan. 4 . Using a Phillips screwdriver, remove the four screws securing the fan to the fan bracket.
Take Apart Fan, Power Mac G4 (QuickSilvers) - 108 Replacement Note: When replacing the fan in the bracket, make sure the arrows on the side of the fan point away from the bracket.
Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 10 9 F an, PCI Graphics, A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, open the side access panel.
Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 11 0 1 . Remove the two screws on the fan bracket. 2. Pull the fan bracket down to access the power-to-fan connector.
Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 11 1 4. Lift the fan bracket out of the computer. Replacement Note: The fan bracket has two holes (on the top) that join with two tabs on the chassis. If the tabs aren’t inserted into the holes, the screws that secure the fan bracket to the chassis won’t align properly.
Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 11 2 Perform the following procedure only if you are replacing the fan. 5 . Using a Phillips screwdriver, remove the four screws securing the fan to the fan bracket. 6. Lift the fan from the fan bracket.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 113 P ower Supply , Power Mac G4 (QuickSilvers) Before you begin, do the following: • Open the side access panel.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 114 1. Press the small locking tab on the power-to-fan cable connector and disconnect the cable.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 115 2 . Disconnect the main power cable from the logic board and the power cables to any hard drives.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 116 3. Using a 2.5 mm Allen wrench, remove the three screws on the rear vented panel..
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 117 4. Remove the four screws that attach the power supply and main power supply cable to the chassis.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 118 5. Slide the power supply toward the front of the computer until it clears the security bar on the upper inside corner of the chassis.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 119 6. Maneuver the power supply and its cables out of the chassis..
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 120 Replacement Note: If you are replacing the power supply, remove the power supply bracket and reattach it to the new power supply.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 121 Replacement Note: You must set the power supply voltage switch to the correct setting (115 V in North America) to avoid damaging the computer.
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 22 P ower Supply , PCI/ A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, do the following: • Open the side access panel. • Remove the CD/DVD drive bezel. • Move the CD/DVD/Zip drive carrier forward 1 inch.
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 23 1. Disc onnect the power- to-fan connector..
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 24 2. Disconnect the following power cables: • cables P6 and P7 from the CD-ROM/Zip drive • Power Mac G4 (PCI Graphics).
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 25 3. Using a 2.5 mm Allen wrench, remove the three screws on the rear vented panel.
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 26 4 . On the inside of the chassis, remove the screw that attaches the power supply to the power supply shelf. 5. Slide the power supply forward toward the front of the computer.
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 27 and reattach it to the new power supply. Replacement Note: You must set the power supply voltage switch to the correct setting (115 V in the U.S.) to avoid damaging the computer.
Take Apart Speaker, Power Mac G4 (QuickSilvers) - 128 Speaker , P ower Mac G4 (QuickSilvers) Before you begin, do the following: • Open the side access panel.
Take Apart Speaker, Power Mac G4 (QuickSilvers) - 129 1. Using your thumbs, press the tabs in on the speaker shield. 2 . Rotate the shield and remove it from the chassis.
Take Apart Speaker, Power Mac G4 (QuickSilvers) - 130 3 . Disconnect the speaker cable from the logic board. 4 . Remove the two speaker mounting screws.
Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 13 1 Speaker , PCI/A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, do the following: • Open the side access panel.
Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 13 2 1 . Disconnect the speaker cable from the logic board. 2. Free the cable from the cable clamp and the fan bracket.
Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 13 3 3. Push the speaker tab in and pull the speaker housing back to release it. 4 . Remove the speaker housing from the computer. 5 . Remove the speaker from the speaker housing. Note: The speaker and speaker housing are separate parts.
Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 1 34 Fr ont Panel Board, P ower Mac G4 (QuickSilvers) Before you begin, open the side access panel.
Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 1 35 1. Using your thumbs, press the tabs in on the speaker shield. 2 . Rotate the shield and remove it from the chassis.
Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 1 36 3 . Disconnect the front panel cable from the front panel board. 4 . Remove the two screws and remove the front panel board from the computer.
Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - Fr ont Panel Board, PCI/A GP Graphics/ Gigabit Ethernet/ Digital A udio Before you begin, open the side access panel.
Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1. Using your thumbs, press the tabs in on the front panel shield. 2. Gently pull the front panel shield away from the chassis. 3 . Disconnect the front panel cable from the front panel board.
Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 5. Push in and pry up on the three tiny metal tabs to release the front panel board from the front panel shield.
Take Apart Antenna - 1 4 0 Antenna Note: The antenna is routed through the chassis in two ways: under the logic board and through drive bay 1. Do not remove or replace the antenna if it is routed under the logic board. To replace this type of antenna, you must replace the entire chassis.
Take Apart Antenna - 1 4 1 the antenna cable is routed underneath it) • CD-ROM drive carrier 1 . Disconnect the antenna cable from the AirPort card (if installed).
Take Apart Antenna - 1 4 2 3. Using a jeweler’s screw driver, remove the antenna mounting screws and lift the antenna and antenna cable out of the computer.
Take Apart Top Handles, Front and Rear - 1 4 3 T op Handles, Front and Rear No preliminary steps are required before you begin this procedure..
Take Apart Top Handles, Front and Rear - 1 4 4 1. Using a 2.5 mm Allen wrench, remove the two allen screws securing each handle. 2. Lift the handle from the computer.
Take Apart Top Handles, Front and Rear - 1 4 5 Replacement Note: When installing the top handles (front and rear) orient them so that the three tiny bumps on the handle are in the orientation shown in the photo. The handle won’t fit properly if it’s turned upside down.
Take Apart Top Panel - 1 4 6 T op Panel Before you begin, remove the following: • top front handle • top rear handle.
Take Apart Top Panel - 1 4 7 1. Slide the top panel back, towards the power supply, to unhook the tabs. 2. Lift the top panel from the chassis..
Take Apart Supports, Front and Rear - 1 4 8 Supports, Fr ont and Rear Before you begin, place the computer on an ESD mat and turn the unit upside down. ± W arning: When the computer is upside down or the lower supports are removed, the computer can be unstable.
Take Apart Supports, Front and Rear - 1 4 9 1. Using a 2.5 mm Allen wrench, remove the two screws securing each support to the computer. 2 . Remove the support from the computer.
Take Apart Lower Panels, Front and Rear - 1 50 Lower P anels, Front and Rear Before you begin, remove the front and/or rear support. ± W arning: When the computer is upside down or the lower supports are removed, the computer can be unstable.
Take Apart Lower Panels, Front and Rear - 1 51 Note: The computer is shown upside down. 1. Lift the lower front panel or the lower rear panel from the chassis. There are no screws holding these panels to the chassis; the front and rear supports hold them in place.
Take Apart Front Panel - 1 52 Fr ont Panel Before you begin, remove: • top front handle • lower front support and lower front panel • Power Mac G4 (PCI/AGP Graphics/GIgabit Ethernet/Digital Audi.
Take Apart Front Panel - 1 53 1 . Open the side access panel. Locate the front panel tabs. 2. Using a screwdriver, carefully push the front panel tabs inward to release them from the chassis.
Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 154 CD/D VD Driv e Door , P ower Mac G4 (QuickSilvers) Before you begin, remove: • top front handle • lower front support and lower front panel • CD/DVD/Zip drive carrier • front panel ± W arning: When the lower support is removed, the computer can be unstable.
Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 155 1 . Remove the four mounting screws on the front of the computer..
Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 156 2 . Open the side access panel and remove the CD/DVD door shield from the chassis..
Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 157 3. Using a flatblade screwdriver, gently press the CD/DVD door mounting pegs flush with the chassis.
Take Apart Rear Vented Panel - 1 5 8 Rear V ented Panel Before you begin, remove the following: • top rear handle • lower rear support ± W arning: When the lower support is removed, the computer can be unstable.
Take Apart Rear Vented Panel - 1 5 9 1 . Open the side access panel. 2 . Remove the three 2.5 mm Allen screws. 3. Push in on the six tabs to release the panel from the chassis.
Take Apart Rear Vented Panel - 1 6 0 4 . Once the tabs are released, carefully pull the rear panel forward to remove..
Take Apart Latch Panel - 1 6 1 Latch Panel Before you begin, remove the following: • video card • PCI cards (if present) • Power Mac G4 (PCI Graphics): FireWire board (if present) • Power Mac .
Take Apart Latch Panel - 1 6 2 1. Remove the four Phillips screws holding the panel to the chassis. 2. Slide the panel toward the hard drives, freeing the latch panel from the tabs on the chassis. Note: Circles indicate tab locations. 3 . Remove the latch panel.
Take Apart Right Side Access Panel - 1 6 3 Right Side Access Panel Before you begin, remove the following: • PCI cards (if present) • video card • FireWire board (if present) • modem (if prese.
Take Apart Right Side Access Panel - 1 6 4 1. Remove the four 2.5 mm Allen screws on the side panel..
Take Apart Right Side Access Panel - 1 6 5 2 . Open the side access panel. 3. Remove the two Phillips screws attaching the right side panel to the metal chassis.
Take Apart Right Side Access Panel - 1 6 6 4. Using a flatblade screwdriver or needlenose pliers, push or squeeze the plastic tabs (protruding through the side chassis panel), to release the right panel from the metal chassis. 5. Remove the right side panel from the chassis.
Take Apart Left Side Panel - 1 6 7 Left Side Panel No preliminary steps are required before you begin this procedure..
Take Apart Left Side Panel - 1 6 8 1. Remove the four 2.5 mm Allen screws on the side panel..
Take Apart Left Side Panel - 1 6 9 2 . Open the side access panel. 3 . Remove the fan screws and drop the fan bracket down to access the plastic panel tabs (protruding through the side chassis) on the left side panel.
Take Apart Left Side Panel - 1 7 0 4 . Using a needlenose pliers, squeeze the tabs (located behind the fan bracket) to release the left side panel from the metal chassis.
Take Apart I/O Panel, PCI Graphics - 171 I/O Panel, PCI Graphics Note: The I/O panel can be removed only in Power Mac G4 (PCI Graphics) computers. The I/O panel in Power Mac G4 (AGP Graphics/Gigabit Ethernet/ Digital Audio/QuickSilver/ QuickSilver 2002) is part of the chassis.
Take Apart I/O Panel, PCI Graphics - 172 1 . Remove the two mounting screws on the I/O panel..
Take Apart I/O Panel, PCI Graphics - 173 2. Tilt the I/O panel forward and remove..
Take Apart I/O Panel Cover - 17 4 I/O Panel Co ver Before you begin, do the following: • Open the side access panel. • Remove the logic board. • Power Mac G4 (PCI Graphics): Remove the I/O panel.
Take Apart I/O Panel Cover - 17 5 Note: Because the I/O panel cover can be difficult to remove, take your time prying up the plastic tabs. 1. Using a jeweler’s screwdriver and working from right to left, carefully pry the plastic tabs away from the metal frame.
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Troubleshooting Power Mac G4/ Macintosh Server G4.
Troubleshooting General/ Block Diagrams - 1 General Block Diagrams Po wer Mac G4 (QuickSilvers/Digital A udio) Block Diagram 133 MHz memory bus 133 MHz Max bus Headphone jack Apple speaker mini-jack E.
Troubleshooting General/ Block Diagrams - 2 Po wer Mac G4 (Gigabit Ethernet) Block Diagram 100 MHz memory bus 100 MHz Max bus Microphone jack Headphone jack Ethernet port Firewire port Firewire port 3.
Troubleshooting General/ Block Diagrams - 3 Po wer Mac G4 (A GP Graphics) Block Diagram 100 MHz memory bus 100 MHz Max bus Microphone jack Headphone jack Ethernet port Firewire port Firewire por.
Troubleshooting General/ Block Diagrams - 4 Po wer Macintosh G4 (PCI Graphics) Block Diagram.
Troubleshooting General/ Power-On Self Test - 5 P ower -On Self T est There is a power-on self test that resides in the ROM of the Power Mac G4. This test automatically runs whenever the computer is powered on after being fully shut down (the power-on self test does not run if the machine is only restarted).
Troubleshooting General/ Power-On Self Test - 6 Power Macintosh G4 (PCI Graphics): • 1 Beep: No RAM is installed or detected. • 2 Beeps: Incompatible RAM types are installed (for example, both SDRAM and EDO installed). • 3 Beeps: No RAM banks passed memory testing.
Troubleshooting General/ Logic Board Diagrams - 7 Logic Board Diagrams Po wer Mac G4 (QuickSilvers/Digital A udio) Logic Board Diagram Battery PCI Slots Power FireWire Ports (2) USB Ports A & B Et.
Troubleshooting General/ Logic Board Diagrams - 8 Po wer Mac G4 (A GP Graphics/Gigabit Ethernet) Logic Board Diagram Batter y PCI Slots Po w e r FireWire P or ts (2) Internal FireWire Po r .
Troubleshooting General/ Logic Board Diagrams - 9 Po wer Macintosh G4 (PCI Graphics) Logic Board Diagram J1 A T A-3 (CD/D VD-ROM and Zip Drive J15 Ultra DMA/33 (A T A Dr ives) J23 P ow er Ba.
Troubleshooting General/ Logic Board Troubleshooting - 1 0 Logic Board T roubleshooting P ower Mac G4 (all models except PCI Graphics) Processor Module The logic board comes with a removable processor module. The processor should rarely fail and should be replaced only as a last resort.
Troubleshooting General/ Logic Board Troubleshooting - 1 1 I/O, two crystals, and a CPU. Its function is to: • Tell the computer to turn on, turn off, sleep, wake, idle, etc. • Manage system resets from various commands. • Maintain parameter RAM (PRAM).
Troubleshooting General/ Logic Board Troubleshooting - 1 2 procedure before replacing any modules: 1 . Disconnect the power cord and check the battery in the battery holder (BT1). The battery should read 3.3 to 3.7 volts. If the battery is bad, replace the battery, wait ten seconds, and then reset the PMU (refer to the next step).
Troubleshooting General/ Logic Board Troubleshooting - 1 3 Note: This entire procedure resets the computer’s PRAM. Be sure to reset the computer’s time, date, and other system parameter settings before returning the computer to the customer.
Troubleshooting General/ Logic Board Troubleshooting - 1 4 P ower Macintosh G4 (PCI Graphics) Processor Module The logic board comes with a removable processor module. The processor should rarely fail and should be replaced only as a last resort. Processor modules can be ordered from Service.
Troubleshooting General/ Logic Board Troubleshooting - 1 5 Resetting the Cuda Chip: Po wer Macintosh G4 (PCI Graphics) The Cuda is a microcontroller chip on the Power Macintosh G4 (PCI Graphics) logic board. Its function is to • Turn system power on and off.
Troubleshooting General/ Logic Board Troubleshooting - 1 6 Resetting the PCI Logic Board Resetting the logic board can resolve many system problems (see the Symptom/Cure tables for examples). Whenever you have a Power Macintosh G4 (PCI Graphics) computer that fails to power up, you should follow this procedure before replacing any modules.
Troubleshooting General/ Logic Board Troubleshooting - 1 7 Note: This procedure resets the computer’s PRAM. Be sure to check the computer’s time/date and other system parameter settings afterwards. Logic Board LEDs: Po wer Macintosh G4 (PCI Graphics) There are seven diagnostic LEDs on the Power Mac G4 (PCI Graphics) logic board.
Troubleshooting General/ Logic Board Troubleshooting - 1 8 DS4 and DS5 = USB power for downstream devices DS5 = USB port 1- lower DS4 = USB port 2- upper (There is no DS2 or DS3 on the board.) When illuminated, these LEDs indicate that the computer is providing power (+5 V) to downstream USB ports.
Troubleshooting General/ Logic Board Troubleshooting - 1 9 other port can still be functional. These LEDs are not immediately illuminated at the beginning of a restart or cold power-on. During a successful/normal boot, the sequence will look like: 1 .
Troubleshooting General/ Logic Board Troubleshooting - 2 0 DS6 = Ultra ATA bus activity DS6 indicates Ultra ATA bus activity. DS7 & DS8 = Power Indication In a working unit, these LEDs should be in sync with each other: both on or both off. If one LED is on and the other is off, there is a problem.
Troubleshooting General/ Logic Board Troubleshooting - 2 1 Po wer Macintosh G4 (PCI Graphics) LEDs Locator DS5 DS9 DS8 DS7 DS6 DS1 DS4.
Troubleshooting General/ Power Supply Verification - 2 2 P ower Supply V erification To start up, the Power Mac G4 logic board requires a “trickle” power of +5V for AGP and PCI models, +28V for Gigabit Ethernet/ Digital Audio models, or +25V for QuickSilver models.
Troubleshooting General/ Power Supply Verification - 2 3 1 . Plug in a known-good power cord into the back of the com- puter. Do not turn on the computer. 2. P ow er Mac G4 (AGP or PCI) (see Figure 1): Connect the black lead of the volt meter to pin 16 of the 20- pin power supply connector.
Troubleshooting General/ Power Supply Verification - 2 4 Figure 1. Power Supply 20-Pin Connector Pin 20+5V Pin 19+5V Pin 18GND Pin 17GND Pin 16GND Pin 15GND Pin 14[P ow er On] Pin 13GND Pin 12-12V Pin 11+3.3V +12V Pin 10 +5V TRKL Pin 9 POKPin 8 GND Pin 7 +5V Pin 6 GND Pin 5 +5V Pin 4 GND Pin 3 +3.
Troubleshooting General/ Power Supply Verification - 2 5 3 . Power Mac G4 (Gigabit Ethernet/Digital Audio) (see Figure 2): Connect the black lead of the volt meter to pin 11 of the 22- pin power supply connector. Connect the red lead of the volt meter to pin 22 of the power supply connector.
Troubleshooting General/ Power Supply Verification - 2 6 Figure 2. Power Supply 22-Pin Connector Pin 22 +28V TRKL Pin 21+5V Pin 20+5V Pin 19GND Pin 18GND Pin 17GND Pin 16GND Pin 15[P ow er On] Pin 14GND Pin 13-12V Pin 12+3.
Troubleshooting General/ Power Supply Verification - 2 7 4. Power Mac G4 (QuickSilver/QuickSilver 2002) (see Figure 3): Connect the black lead of the volt meter to pin 11 of the 22- pin power supply connector. Connect the red lead of the volt meter to pin 22 of the power supply connector.
Troubleshooting General/ Power Supply Verification - 2 8 Figure 3. Power Supply 22-Pin Connector and 4-Pin Connector Note: The four-pin connector (P4) supplies power to the multiprocessor. Pin 22 +25V TRKL Pin 21+5V Pin 20+5V Pin 19GND Pin 18GND Pin 17GND Pin 16GND Pin 15[P ow er On] Pin 14GND Pin 13-12V Pin 12+3.
Troubleshooting General / Power Supply Verificatio n - 2 9 5 . Start up the computer by pressing the power button on the front of the computer. Note: Verify that the power cable is plugged into connector J30. If the computer starts up normally, the power supply is OK.
Troubleshooting General/ Power Supply Verification - 3 0 not present, replace the power supply; otherwise, go to the next step. 8 . Connect the black lead of the volt meter to pin 16 of the power supply connector for AGP and PCI models or pin 11 for Gigabit Ethernet/DIgital Audio/QuickSilver/QuickSilver 2002 mod- els.
Troubleshooting General/ Power Supply Verification - 3 1 connections and measure the voltage again. If voltage is still not present, replace the power supply; otherwise, go to the next step. 1 0 . The testing is complete. You have just verified that the power supply is not the cause of the “No apparent power” symptom.
Troubleshooting General/ SDRAM DIMMs - 3 2 SDRAM DIMMs The Power Mac G4 uses the following types of SDRAM DIMMs: PCI/A GP/Gigabit Ethernet QuickSilvers/ Digital A udio PC-100 SDRAM PC-133 SDRAM 3.
Troubleshooting General/ SDRAM DIMMs - 3 3 Po wer Mac G4 (all models except PCI Graphics) Four slots on the Power Mac G4 (AGP Graphics/Gigabit Ethernet) logic boards accept 64, 128, 256, or 512 MB DIMMs. Three slots on the Power Mac G4 (Digital Audio/QuickSilver/QuickSilver 2002) board accept 64, 128, 256, or 512 MB DIMMs.
Troubleshooting General/ PCI Cards - 3 4 PCI Cards V ideo Card Installation Power Mac G4 computers require an I/O video card that moves video from the main logic board.
Troubleshooting General/ PCI Cards - 3 5 Power Mac G4 (QuickSilvers/Digital Audio) P ower Mac G4 (PCI Graphics/A GP Graphics/Gigabit Ethernet) Slots #2-5 Slot #1 Slot #1 Slots #4 #3 #2.
Troubleshooting General/ PCI Cards - 3 6 Cleaning Procedur e for Card Connectors It is possible for residue to build up on the gold edge connector pins on some cards, which could cause a variety of symptoms. If you are having problems with a card, inspect the connector pins with a magnifying glass.
Troubleshooting General/ VGA-to-Macintosh Adapters - 3 7 V GA-to-Macintosh Adapters To avoid “No video” or “Black screen” situations, do not use two VGA-to-Macintosh adapters (one on each end) on the video cable that connects a Power Mac G4 computer to a monitor with a captive VGA connector.
Troubleshooting Symptom Charts/ How to Use the Symptom Charts - 3 8 Symptom Charts How to Use the Symptom Charts The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the product. Because cures are listed on the charts in the order of most likely solution, try the cures in the order presented.
Troubleshooting Symptom Charts/ Startup - 3 9 Startup System is completely dead (no fan movement and power- on button is not lit) 1 Verify the power outlet is good. 2 Replace the power cord. 3 Make sure the voltage switch on the back of the power supply is set to the correct voltage.
Troubleshooting Symptom Charts/ Startup - 4 0 Memory error message appears on the screen 1 Reseat the DIMMs. 2 Verify that only SDRAM DIMMs are installed. Use PC-100 DIMMs on Power Mac G4 (PCI/AGP/Gigabit Ethernet) and PC-133 DIMMs on Power Mac G4 (Digital Audio/ QuickSilvers).
Troubleshooting Symptom Charts/ Startup - 4 1 Computer begins to power up, the fan and hard drive are spinning, the power LED is lit, but there is no startup chime or video 1 Reset the logic board. • Power Mac G4 (AGP Graphics): Refer to “Resetting the PMU on the Logic Board” in this chapter.
Troubleshooting Symptom Charts/ Startup - 4 2 System shuts down intermittently 1 Make sure the power cord is plugged in firmly. 2 Check that the power source is turned on and the correct voltage is present. 3 Replace the power cord. 4 Make sure the air vents are clear.
Troubleshooting Symptom Charts/ Startup - 4 3 System shuts down almost immediately after startup 1 Power Macintosh G4 (PCI Graphics): Reset the Cuda chip. See “ Resetting the Cuda Chip” in this chapter. 2 Reset the logic board: • Power Mac G4 (AGP Graphics): Refer to “Resetting the PMU on the Logic Board” in this chapter.
Troubleshooting Symptom Charts/ Startup - 4 4 System quits or stops responding intermittently 1 If the system quits or stops responding in a specific application, replace the application. Mac OS X: Verify the application is compatible with OS X. 2 Clear parameter RAM.
Troubleshooting Symptom Charts/ Error Tones - 4 5 Err or T ones Note: Error tones occur before system software loads. Computer beeps once at startup One beep means that no RAM is installed or detected. 1 If no DIMM is present, install a known-good DIMM in the top slot and try again.
Troubleshooting Symptom Charts/ Error Tones - 4 6 Computer beeps twice at startup Two beeps means that incompatible RAM types may be installed. Verify that only SDRAM DIMMs are installed. Use PC-100 DIMMs on Power Mac G4 (PCI/AGP/Gigabit Ethernet) and PC-133 DIMMs on Power Mac G4 (Digital Audio/QuickSilvers).
Troubleshooting Symptom Charts/ Error Tones - 4 7 Computer beeps four or five times at startup Four or five beeps means that the ROM is probably bad and cannot be fixed.
Troubleshooting Symptom Charts/ Video - 4 8 V ideo Screen is black, but startup chime is present, drive operates, fan is running, and LED is lit 1 Check video cable/card connections and connector pins. 2 Test with a known-good monitor. Replace the monitor, if necessary.
Troubleshooting Symptom Charts/ Video - 4 9 Screen is black, there is no startup chime, and drive does not operate, but fan is running and power LED is lit 1 Power Macintosh G4 (PCI Graphics): Check the jumper block at J25.
Troubleshooting Symptom Charts/ Video - 5 0 Startup chime is present and screen lights up, but screen is gray 1 Power Macintosh G4 (PCI Graphics): Reset the Cuda chip. See “Resetting the Cuda Chip” in this chapter. 2 Reset the logic board: • Power Mac G4 (AGP Graphics): Refer to “Resetting the PMU on the Logic Board” in this chapter.
Troubleshooting Symptom Charts/ Video - 5 1 Distorted Video 1 Make sure that the video card driver and firmware are updated to the most recent versions. 2 Refer to the adjustments section of the service manual or owner’s manual for the monitor. Adjust monitor as necessary.
Troubleshooting Symptom Charts/ Video - 5 2 Screen jitter 1 Verify there are no environmental factors causing jitter. 2 Check all cable connections. 3 Make sure that the video card driver and firmware are updated to the most recent versions. 4 Test with a known-good monitor.
Troubleshooting Symptom Charts/ Sound - 5 3 Sound No sound from computer’s internal speaker 1 Disconnect any microphones or external speakers. 2 Verify the volume is set appropriately in the Sound system preference or Sound control panel and mute is not checked.
Troubleshooting Symptom Charts/ Sound - 5 4 No sound from Apple Pro Speakers when attached to a Power Mac G4 (Digital Audio/QuickSilvers) computer 1 Push on the Apple Pro Speaker jack to make sure it is firmly inserted into the Apple Speaker sound output port.
Troubleshooting Symptom Charts/ Hard Drive - 5 5 Hard Driv e Single internal ATA hard drive does not spin; flashing question mark displays on screen 1 Check all cable connections to the hard drive. 2 Try another power connector on the power cable harness.
Troubleshooting Symptom Charts/ CD/DVD Drives - 5 6 CD/D VD Driv es CD/DVD drive tray won’t open 1 Reseat the drive data and power cables on the back of the CD/ DVD drive. 2 Verify the CD/DVD drive bezel is properly seated. 3 Reseat the drive data cable on the logic board.
Troubleshooting Symptom Charts/ Zip Drive - 5 7 Zip Driv e Zip drive does not show up on desktop 1 Check that the Zip drive shows up in Apple System Profiler. If it does, go to step 2. If it does not, go to step 6. 2 Mac OS 9: Make sure the driver is turned on in Extensions Manager.
Troubleshooting Symptom Charts/ Zip Drive - 5 8 Zip disk ejects immediately after being inserted 1 Replace the Zip disk with a known-good disk. 2 Reseat the drive data and power cables on the back of the Zip drive. 3 Check that the Zip drive shows up in Apple System Profiler as ID = 1 (slave).
Troubleshooting Symptom Charts/ USB Devices - 5 9 USB Devices At startup, cursor does not move with the Apple mouse 1 Verify that mouse and keyboard connections are secure. 2 Mechanical mouse: Inspect the inside of the mouse for buildup of dirt or other contaminants.
Troubleshooting Symptom Charts/ USB Devices - 6 0 No response to any key on keyboard 1 Verify that keyboard and mouse connections are secure. 2 Remove all USB devices, except the keyboard and mouse. If the keyboard operates correctly, troubleshoot the other USB devices.
Troubleshooting Symptom Charts/ USB Devices - 6 1 USB printer does not operate 1 Verify that connections to the printer and computer are secure. 2 Switch the printer to a different USB port. If the printer operates correctly, the first port was bad. Replace the logic board.
Troubleshooting Symptom Charts/ FireWire Devices - 6 2 Fir eWir e Devices No external FireWire device icon appears on the desktop 1 Verify that the FireWire device is turned on and the FireWire cable is securely connected to the device and the computer.
Troubleshooting Symptom Charts/ Network Problems - 6 3 Network Pr oblems Unable to see any network devices or connection drops off line by itself 1 Try a known-good Ethernet cable. 2 Open the AppleTalk or TCP/IP system preference or control panel and select the Ethernet option.
Troubleshooting Symptom Charts/ Modem - 6 4 Modem The internal modem is not recognized 1 Make sure the correct CCL and extension files are installed. 2 Reseat the modem and modem cable. 3 Reinstall the CCL and modem extension. If the problem persists, reinstall the system software.
Troubleshooting Symptom Charts/ Modem - 6 5 There is a dial tone, but the modem cannot dial out 1 International only: Use the Modem Country Selector utility to make sure the modem is set to the correct country.
Troubleshooting Symptom Charts/ Modem - 6 6 Computer freezes when modem dials 1 Mac OS 9: Extensions are in conflict or the Mac OS is corrupted. Enable only the Mac OS files in Extensions Manager and any modem drivers needed.
Troubleshooting Symptom Charts/ Modem - 6 7 Modem cannot connect to remote access server or to ISP 1 Verify the phone number of the server. Dial the number using a telephone and listen for the “whistle” of a modem. 2 Make sure the user has set up remote access for the server being contacted.
Troubleshooting Symptom Charts/ Modem - 6 8 Modem disconnects after a period of time A timed disconnect setting is causing the modem to disconnect. Some internet service providers or software packages have a feature that will disconnect the user after a set period of time.
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Upgrades Po wer Mac G4 / Macintosh Serv er G4.
Upgrades SDRAM DIMM - 1 Installation Procedures SDRAM DIMM Before you begin, open the side access panel. DIMM Slots.
Upgrades SDRAM DIMM - 2 1 . Align a DRAM DIMM in the DRAM slot so the notches line up with the ribs inside the slot. 2 . Push the DIMM down evenly until the ejectors snap into place. Note: To remove a DIMM, push down on the slot’s ejectors until they open and release the DIMM.
Upgrades SDRAM DIMM - 3 running Mac OS 9, you must press Option-S when restarting the computer. This ensures the customer will see the Setup Assistant (a movie and setup instruc- tions).
Upgrades AirPort Card - 4 AirP ort Card Before you begin, open the side access panel. Note: The following procedure applies to the Power Mac G4 (AGP Graphics/Gigabit Ethernet/ Digital Audio/QuickSilver) only. You cannot install an AirPort card in the Power Mac G4 (PCI Graphics).
Upgrades AirPort Card - 5 1 . If an adapter card is installed on the AirPort card, release the metal clip and remove the AirPort card from the adapter.
Upgrades AirPort Card - 6 2. Insert the AirPort card, barcode side facing up, through the opening in the PCI card guide and into the connector on the logic board.
Upgrades AirPort Card - 7 will see the Setup Assistant (a movie and setup instruc- tions). If these keys are not pressed down each time a technician restarts the sys- tem after an upgrade, the Setup Assistant file will ex- ecute, disable itself, and the customer will never see it.
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Exploded V ie w Po wer Mac G4/ Macintosh Serv er G4.
Exploded View 1 P ower Mac G4 (A GP Graphics) Logic Board, V .1 661-2251 V .2 661-2302 CPU Heatsink Kit 076-0803 Processor Module 350 MHz 661-2278 400 MHz 661-2259, 400 MHz 661-2308 (Rev .
Exploded View 2 Front Panel 922-3973 Left Side Panel 922-3974 Right Side Access Panel 922-3975 I/O Panel Cover 922-3978 Lower Front Panel 922-3980 Lower Rear Panel 922-3979 Front Support 922-3971 R.
Exploded View 3 Computer Power Cord 922-3964 Cables Cable Modem, Phone Ice 922-3963 Adapter Mac to VGA 922-3764 Front Panel Cable (Flat Gray) 922-4046 Ultra2 L VD SCSI Cable 922-3861 IDE / A T A Cable 922-4047 Apple USB Keyboard 922-4161 Apple USB Mouse 922-3969 076-0777 Hard drive carrier , V er .
Exploded View 4 P ower Mac G4 (Gigabit Ethernet) Logic Board, w/Gigabit Ethernet 661-2331 CPU Heatsink Kit 076-0803 CPU Heatsink Kit, Dual Procesor 076-0812 Processor Module 400 MHz, V er . 2 661-2354 450 MHz, Dual 661-2305 500 MHz, Dual 661-2325 Power Supply 661-2332 Video Card, AGP , 16 MB, Rage 128 Pro, V er .
Exploded View 5 Front Panel 922-3973 Left Side Panel 922-3974 Right Side Access Panel 922-3975 I/O Panel Cover 922-3978 Lower Front Panel 922-3980 Lower Rear Panel 922-3979 Front Support 922-3971 R.
Exploded View 6 Computer Power Cord 922-3964 Cables Cable Modem, Phone Ice 922-3963 Front Panel Cable (Flat Gray) 922-4046 Ultra 160 SCSI Cable 922-4274 IDE / A T A Cable 922-4047 076-0777 Hard drive carrier , V er .
Exploded View 7 P ower Mac G4 (Digital A udio) Logic Board 661-2397 CPU Heatsink Kit 076-0822 076-0823 Processor Module 466 MHz 661-2402 533 MHz 661-2403 533 MHz, Dual 661-2389 Power Supply 661-2412 V.
Exploded View 8 Front Panel 922-3973 Left Side Panel 922-3974 Right Side Access Panel 922-3975 I/O Panel Cover 922-4335 Lower Front Panel 922-3980 Lower Rear Panel 922-3979 Front Support 922-3971 R.
Exploded View 9 Computer Power Cord 922-4301 Cables Cable Modem, Phone Ice 922-3963 Front Panel Cable (Flat Gray) 922-4046 Ultra 160 SCSI Cable 922-4274 IDE Cable 922-4373 076-0777 Hard drive carrier , V er .
Exploded View 1 0 P ower Mac G4 (QuickSilver) Logic Board 661-2503 CPU Heatsink Kit 076-0823 076-0884 Processor Module 733 MHz 661-2505 867 MHz 661-2506 800 MHZ Dual 661-2507 Power Supply 661-2513, 66.
Exploded View 1 1 Front Panel 922-4566 Left Side Panel 922-4567 Right Side Access Panel 922-4568 I/O Panel Cover 922-4571 Lower Front Panel 922-4576 Lower Rear Panel 922-4575 Front Support 922-4564.
Exploded View 1 2 Computer Power Cord 922-4301 Cables Cable Modem, Phone Ice 922-3963 Front Panel Cable (Flat Gray) 922-4561 Ultra 160 SCSI Cable 922-4274 IDE Cable 922-4614 076-0777 Hard drive carrier , V er .
Exploded View 1 3 P ower Mac G4 (QuickSilver 2002) Logic Board 661-2606 CPU Heatsink Kit 076-0901 076-0902 Processor Module 800 MHz 661-2624 933 MHz 661-2590 1 GHZ Dual 661-2591 Power Supply 661-2513,.
Exploded View 1 4 Front Panel 922-4566 Left Side Panel 922-4567 Right Side Access Panel 922-4568 I/O Panel Cover 922-4571 Lower Front Panel 922-4576 Lower Rear Panel 922-4575 Front Support 922-4564.
Exploded View 1 5 Computer Power Cord 922-4301 Cables Cable Modem, Phone Ice 922-3963 Front Panel Cable (Flat Gray) 922-4561 Ultra 160 SCSI Cable 922-4274 IDE Cable 922-4614 076-0777 Hard drive carrier , V er .
Exploded View 1 6 P ower Mac G4 (PCI Graphics) P anel Latch 922-4134 Jumper Bloc k Kit 350 MHz 076-0760 400 MHz 076-0758 Logic Board 661-2253 Modem Shield,T op and Bott.
Exploded View 1 7 ZIP Bezel 922-3966 Blank Bezel 922-3965 CD/D VD Door F rame 922-3967 F ront P anel 922-3973 Left Side P anel 922-3974 Right Side Access P anel.
Exploded View 1 8 Computer Power Cord 922-3964 Cables Cable Modem, Phone Ice 922-3963 Adapter Mac to VGA 922-3764 FireWireCable Unshielded 922-3751 Front Panel Cable (Flat Gray) 922-3706 FireWire Power Cable Shielded 922-3709 Ultra2 L VD SCSI Cable 922-3861 V er .
Ein wichtiger Punkt beim Kauf des Geräts Apple G4 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Apple G4 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Apple G4 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Apple G4 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Apple G4 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Apple G4 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Apple G4 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Apple G4. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Apple G4 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
