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Dell ® PowerEdge ® 4100/180 and 4100/200 S ystems SERVICE MANUAL ®.
Information in this document is subject to change without notice. 1995–1 996 Dell Computer Corporation. All rights reserved. Re production in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.
System Overview 1 - 1 Chapter 1 System Overview T he Dell ® P owerEdge ® 4 100 systems covered in this manual are high-speed, upgradable server systems, which use the Intel ® P entium ® P ro family of microprocessors.
1 - 2 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual • Er ror correction code (ECC) feature b uilt into the memory controller on the system board • Advanced combination EISA and PCI .
System Overview 1 - 3 Figure 1-1. Computer Orientation NOTE: When following the text in this manual, assume that the location or di rection relative to the system is as shown in Figure 1-1.
1 - 4 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual Figure 1-2. Front -P anel Features CAUTION: To avoid possible data or file structure corruptions, the front- panel reset button should be used only when restarting the system with a key combination fails.
System Overview 1 - 5 Figure 1-3. Front/ Left I nternal View external drive bays (4) internal drive bays (6) control panel system board microprocessor sockets expansion slots cooling fan connectors (3.
1 - 6 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual Figure 1-4. Back/Right I nternal View SCSI backplane board external drive bays (4) internal drive bays (6) SCSI interface c onnector .
System Overview 1 - 7 Figure 1-5. I/O Panel parallel port connector AC power receptacle serial port 1 connector mouse connector keyboard connector serial port 2 connector video connector server-manage.
1 - 8 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual System Memory The PowerEdge 4100 systems h a ve a minimum of 64 MB of 72-bit -w ide, buff- ered E DO m emor y .
System Overview 1 - 9 Video Controller The video subsystem is built into the system board and consists of a high-speed, high-resolution , VGA-compatible video subsystem. The video controller is con- nected to the PCI local bus. The standard video subsystem contains 1 MB of DRAM m emory (the video memory size is not upgradable).
1 - 10 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual SCSI ID Numbers E ach device attached to the 7860 Ultra/Narrow SCSI host adapter must have a unique SCSI ID number from 0 to 7.
System Overview 1 - 11 S ystem Unit The following subsections provide service-related information about the system unit. System Power Supply T he 50 0-W system power supply can operate from an AC power source of 90 t o 265 VAC at 50 or 60 Hz. When the power-supply paralleling board is installed, the power supplies are hot-pluggable.
1 - 12 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual Pin Assignments for the DC Power Connectors (Nonredun- dant Systems) The power-supply output voltages for nonredundant systems can b.
System Overview 1 - 13 1 Pin 1 3 — PSON# should measure between +4 and +5 VDC except when the power button on the front panel is pressed, taking PSON# to its active-low state.
1 - 14 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual Figure 1-9. DC Power Connectors J12 (P2) , J13 (P3) , and J14 (P4) Figure 1-10. DC Power Connector J15 (P5) 1 2 3 4 5 6 7 +5 VDC (red) +12 VDC (yellow) +3.3 VDC (orange) 8 9 +3.3 VDC (orange) +3.
System Overview 1 - 15 DC Power Distribution (Nonredundant System) Figures 1-11 provides information about DC power distribution for the n onredundant PowerEdge 4100 system. Figure 1- 11. Power Distribution (Nonredundant System ) power supply # 1 +5 VFP PSON# –5 VDC +12 VDC –1 2 VDC +5 VDC +3.
1 - 16 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual Pin Assignments for the DC Power Connectors (Redundant Systems) The power-supply output voltages for redundant systems can be measur.
System Overview 1 - 17 Figure 1-13. DC Power Connector PWR1 Figure 1-14. DC Power Connector PWR2 and PWR3 1 2 3 4 5 6 7 -12 VDC (blue) PWR_S TA T_BIT (gray) -5 VDC (white) 8 9 NC_+12 sense BAT_V (gray.
1 - 18 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual Figure 1-15. DC Power Connector PWRSCSI (DDBP) 1 Wires 1 through 4 are connected to FD1 and FD2.
System Overview 1 - 19 power supply # 1 power supply # 2 +5 VFP PSON# –5 VDC +12 VDC –1 2 VDC +5 VDC +3.3 VDC +5 VFP PSON# –5 VDC +12 VDC –1 2 VDC +5 VDC +3.3 VDC +5 VFP PSON# –5 VDC +12 VDC –1 2 VDC +5 VDC +3.3 VDC +12 VDC +5 VDC +3.3 VDC +12 VDC +5 VDC +3.
1 - 20 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual System Board Layout The subsections that follow provide service-related information about the system board components.
System Overview 1 - 21 Main Memory The eight D IMM sockets on the system board can accommodate combinations of 3 2- and 128-MB DIMMs up to a total memory capacity of 1024 MB (1 GB). The system is shipped with high-speed (60-ns) 3.3-V EDO DIMMs installed .
1 - 22 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual Interrupt Assignments Table 1-2. Jumper Descriptions Jumper Description Default Setting EISA EISA Configuration Utility Not installe.
System Overview 1 - 23 DMA Channel Assignments IRQ10 Available for use by expansion card IRQ11 Available for use by expansion card IRQ12 Generated by keyboard controller to indicate that mouse ’s ou.
1 - 24 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual T echnical Specifications Table 1-5. Technical Specifications Microprocessor Microprocessor type . . . . . . . . single or dual I ntel Pentium Pro microprocessor s Microprocessor speed .
System Overview 1 - 25 System Clocks System clock . . . . . . . . . . . . . . 60 or 66 MHz (matches external processor bus speed) Diskette/communications ports . . . . . . . . . . . . . . . . . . . . 24 MHz from the system clock Memory Architecture . .
1 - 26 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual System Board Connectors (continued) POWER1 . . . . . . . . . . . . . one 18- pin connector : standby powe r, I 2 C, PWRGOOD, and miscellaneous power POWER2 . . . . . . . . . . . . . one 20- pin connector : +3.
System Overview 1 - 27 Controls and Indicators (continued) SCSI hard-disk drive activity indicator . . . . . . . . . . . . . . . . . green LED SCSI hard-disk drive fault indicator . . . . . . . . . . . . . . . . . yellow LED Power-supply 5 - VDC online indicator .
1 - 28 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual z Environmental (continued) Altitude: Operating . . . . . . . . . . . . . –16 to 3048 m (–50 to 10,000 ft) Storage . . . . . . . . . . . . . . . –16 to 10,600 m (–50 to 35,000 ft) Table 1-5.
Basic T roubleshooting 2 - 1 Chapter 2 Basic Troubleshooting T his chapter describes basic troubleshooting procedures that can help you diagnose a computer system problem . T hese procedures can often reveal the source of a problem or indicate the correct starting point for troubleshooting the system .
2 - 2 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual E xternal Visual Inspection The external visual inspection consists of a quick inspection of the exterior of the computer, the monito r, the keyboard, any peripherals, and cables . W hile per- forming the visual inspection, make any necessary corrections .
Basic T roubleshooting 2 - 3 O bserv ing the Boot Routine After you have performed an external visual inspection as described in the pre- vious section, you should boot the system and, while the boot routine is running, observe the system for any indications of problems.
2 - 4 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual 5. O bserve the monitor screen for the D ell Server Assistant M enu. Does the me nu appear? Y es . S ee “ Ru nning the System D iagnostics” found later in this chapter . N o. P roceed to the next section, “Internal V isual Inspection.
Basic T roubleshooting 2 - 5 4. Verify that all jumpers are set correctl y. For information about these jumpers, see “System Board Jumpers” in Chap- ter 1. 5. Check all cable connectors inside the computer to verify that they are firmly attached to their appropriate connectors.
2 - 6 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual If no errors are found in main memor y , and the Dell Server Assistant loads, select the Run System Utilities icon. Then select the Run System Di agnostics icon by pressing <Enter>.
Beep Codes and Error Messages 3 - 1 Chapter 3 Beep Codes and Error Messages T his chapter describes beep codes and system error messages that can occur during system start-up o r, in the case of some failures, during normal system operation.
3 - 2 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual 1-3-3-1 No DIMM memory installed Defective DIMMs or system board. Reseat DIMMs or replace system board. 1-3-4-1 DRAM failure Defective DIMMs or system board. Reseat DIMMs or replace system board.
Beep Codes and Error Messages 3 - 3 S ystem Error Messages Table 3-2 lists s ystem error messages that can appear on the monitor screen. T hese messages can help you find the source of a problem.
3 - 4 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual Real-time clock error Re al-time clock on s ystem board m al- function ed. Defective micro- processor or system board. Keyboard controller error Ca ble may be loose, k eyboard may be fault y , or k eyboard controller is defec- tive.
Beep Codes and Error Messages 3 - 5 Stepping of CPU1 is less than sA1 - System halted . Wrong microprocessor installed in PROCESSOR1 socket. Replace m icroprocessor with sA1 stepping or greate r. Stepping of CPU2 is less than sA1 - System halted . Wrong microprocessor i nstalled in PROCESSOR2 socket.
3 - 6 Dell PowerEdge 4100 /180 and 4100/200 Systems Service Manual.
Removing and Replacing Parts 4-1 Chapter 4 Removing and Replacing Parts T his chapter provides procedures for removing the components, assemblies, and subassemblies in the system unit. Unless otherwise noted, each procedure assumes the following: • Y ou have performed the steps in “Precautionary Measures” found later in this chapte r.
4 - 2 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual P recautionary Measures Before you perform any of the procedures in this chapter, take a few moments to read the following warning for your personal safety and to prevent damage to the computer system from ESD.
Removing and Replacing Parts 4 - 3 To remove a computer cover, follow these steps: 1. Turn the cover’s keylocks on the back panel of the computer to the unlocked position (see Figure 4-2) . Figure 4-2. Keylocks on Compute r ’s Back Panel 2. Loosen the three screws along the back edge of the cover (see Figure 4-1).
4 - 4 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual F ront Bezel Figure 4-3. Front Bezel Removal To remove the front bezel, follow these steps: 1. Remove the computer covers. 2. Release the two tabs on each side of the bezel. 3. Slide the front bezel toward the front of the compute r.
Removing and Replacing Parts 4 - 5 Drives Figure 4-4 shows an example of drive hardware that can be installed in the com- pute r . Refer to this figure when you perform any of the procedures i n the following subsections. Figure 4-4. Drive Hardware SCSI hard-disk drive bay (6) SCSI connector (BACKPLANE SCSI1) SCSI2 CD-ROM drive 3.
4 - 6 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual Front-Panel Inserts Figure 4-5. Front-Panel Insert Removal To remove a front-panel insert, follow these steps: 1. Remove the front bezel. 2. From the back of the front bezel, press against the center of the insert until the tabs come loose f rom the bezel.
Removing and Replacing Parts 4 - 7 E xternally A ccessible Drives Figure 4-6. Externally A ccessible Drives Removal All of the externally a ccessible drives have drive-mounting rails. To remove a drive assembly from one of the externally accessible drive bays, follow these steps: 1.
4 - 8 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual 3. Remove the drive-mounting rails from the drive (see Figure 4-7). Figure 4-7. Drive-Mounting Rails Removal 4. If the drive is a SCSI drive, record the setting of the SCSI address jumpers and SCSI bus termination jumpe r.
Removing and Replacing Parts 4 - 9 Hard-Disk Drives Figure 4-8. Hard-Disk Drive Carrier Removal The hard-disk drives are mounted inside a hard-disk drive carrie r .
4 - 10 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual Figure 4-9. Hard-Disk Drive Remov al 5. Remove the four m ounting screws that attach the hard-disk drive to the carrie r. 6. Disconnect the hard-disk drive from the connector on the back of the carrier , and lift the drive from the carrier .
Removing and Replacing Parts 4 - 11 S CSI Backplane Board Figure 4-10. SCSI Backplane Board Removal To remove the SCSI backplane board, follow these steps: 1. Disconnect the hard-disk drive carrier connectors from the SCSI back- plane board by sliding each carrier toward the front of the computer approximately 1 inch.
4 - 12 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual P ower Supply The computer may have one or two power supplies. Figure 4- 11. Power Supply Removal To remove a power suppl y , follow these steps: 1. Turn the locking switch on the power supply to the Off position (marked by a “0”).
Removing and Replacing Parts 4 - 13 P ower -S upply Paralleling Board Figure 4-12. Power -S upply Paralleling Board Removal (Redundant Systems) To remove a power -s upply paralleling board, follow these steps : 1.
4 - 14 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual P ower Connector P anel Figure 4-13. Power Connector Panel Removal (Nonredundant Systems) To remove the power connector panel, follow these steps: 1.
Removing and Replacing Parts 4 - 15 C ontrol Panel Figure 4-14. C ontrol Panel R emoval To remove the c ontrol panel, follow these steps: 1. Remove t he screw h olding the c ontrol panel t o the chassis. 2. Disconnect the cable from connector BP_to_C P.
4 - 16 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual C ooling F an s Figure 4-15. Cooling Fan Removal To remove a cooling fan, follow these steps: NOTE S: This procedure can be performed with the computer turned on.
Removing and Replacing Parts 4 - 17 S ystem Board Components The subsections that follow contain procedures for removing system board components . Figure 4-16.
4 - 18 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual Expansion Cards Figure 4-17. Expansion Card Removal To remove an expansion card, follow these steps: 1. Remove the left computer cove r. 2. Disconnect any cables connected to the expansio n card.
Removing and Replacing Parts 4 - 19 DIMMs Figure 4-18. DIMM Removal To remove a DIMM, push outward on the DIMM socket ’s securing clips until the DIMM is released from its socket.
4 - 20 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual Microprocessor and Heat Sink Figure 4-20. Microprocessor Configuration The computer may have two microprocessors. To remove a microprocessor and heat sink, follow these steps: 1. Remove the microprocessor securing clip from the microprocessor/heat sink assembly .
Removing and Replacing Parts 4 - 21 Figure 4-21. Microprocessor Securing Clip 2. Remove the heat sink. 3. P ush outward and then upward on the microprocessor release lever to rotate the lever to its fully vertical position.
4 - 22 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual 4. Lift the microprocesso r o ut of its socket . To install the replacement microprocessor/heat sink assembly , ensure that the micro- processor release lever is in its fully vertical position to allow the microprocessor pins to easily slip into the socket.
Removing and Replacing Parts 4 - 23 System Battery Figure 4-24. System Battery Removal To remove the system batter y , follow these steps: 1. If possible, enter the Sy stem Se tup program, and make a printed copy of the sy stem se tup screens. 2. Remove the left computer cover .
4 - 24 Dell PowerEdge 4100 /180 and 4100/200 S ystems Service Manual S ystem Board Figure 4-25. System Board Removal To remove the system board, follow these steps: 1. Disconnect a ll cables from their connectors at the back of th e s ystem unit. 2. Remove all expansion cards.
System Setup Program A-1 Appendix A System Setup Program T his appendix d escribes the Sy stem Se tup program, which is used to set or change the system configuration information stored in NVRAM on the system board. To enter the System Setup program, press <F2> during the power-on self-test ( POST).
A-2 Dell PowerEdge 4100 / 180 and 4100/200 Systems Service Manual K ey Functions Table A-1 lists the System Setup keys and their functions. Table A-1. Key Functions Key Combination Function <F1>.
System Setup Program A-3 Screen Color Combinations In addition to its text, a field ’s color identifies the type of information it con- tains, as follows: • Black on cyan — H eaders and footers, including the title box at the top of the screen and the key functions box at the bottom of the screen.
A-4 Dell PowerEdge 4100 / 180 and 4100/200 Systems Service Manual Table A-2. Main Menu Categories Category Function Time Resets time on system ’s internal clock. Date Resets date on system ’s internal calenda r. Diskette Drive A or Diskette Drive B Identifies type of diskette drives installed.
System Setup Program A-5 Boot Options Submenu Figure A-2. Boot Options Submenu Table A-3. Boot Options Submenu Categories Category Function Boot Sequence Determines the sequence in which the drives ar.
A-6 Dell PowerEdge 4100 / 180 and 4100/200 Systems Service Manual Advanced Menu Figure A-3. Advanced Menu Main Advanced Security Exit Serial Port 1: [3F8, IRQ 4] Serial Port 2: [2F8, IRQ 3] Parallel P.
System Setup Program A-7 Table A-4. Advanced Menu Categories Category Function Serial Port 1 or Serial Port 2 Configures system ’s built-in serial ports. Parallel Port Configures system ’s built-in parallel port. The port ’s I/O address may be set to: 278H, IRQ5; 3BCH, IRQ7; 378H, IRQ7 .
A-8 Dell PowerEdge 4100 / 180 and 4100/200 Systems Service Manual Security Menu Figure A-4. Security Menu Main Advanced Security Exit Supervisor Password Is Disabled User Password Is Disabled Set Supe.
System Setup Program A-9 Table A-5. Security Menu Categories Category Function Supervisor Password Is Displays current status of the supervisor password (enabled or disabled). See “Using the Supervisor Password Feature ” in Chap- ter 4 of the U ser ’ s Guide .
A-10 Dell PowerEdge 4100 / 180 and 4100/200 Systems Service Manual Exit Menu Figure A-5. Exit Menu Main Advanced Security Exit Save Changes & Exit Exit Without Saving Changes Get Default Values Lo.
System Setup Program A- 11 Table A-6. Exit Menu Categories Category Function Save Changes and Exit Saves the changes you have made b efore you exit the System Setup program. T he next time you boot up, the BIOS configures your system according to the selections stored in CMOS .
A-12 Dell PowerEdge 4100 / 180 and 4100/200 Systems Service Manual.
Index 1 Index A AC power receptacle about , 1-7 location on I/O panel , 1-7 B battery connector , 4-17 illustrated , 4-23 removing and replacing , 4-23 BATTERY connector , 4-17 beep codes , 3-1 boot r.
2 Dell PowerEdge 4100/180 and 4100/200 Systems Service Manual DREQ line assignments , 1-23 drive bays external , 1-5, 1-6 internal , 1-5, 1-6 drives about , 1-25 illustrated , 4-5 SCSI configuration g.
Index 3 M memory main , 1-21 system , 1-8 messages, error , 3-3 microprocessor release lever , 4-21 removal , 4-20, 4-21 sockets , 4-17 microprocessor cooling fans removal , 4-16 MONITOR connector , 4.
4 Dell PowerEdge 4100/180 and 4100/200 Systems Service Manual serial port connectors location on I/O panel , 1-7 location on system board , 4-17 server-management bus connector , 4-17 server-managemen.
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