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b Har d ware Reference Guide Compaq Ev o Desktop F amily: Desktop Models Document P ar t Number : 243850-002 January 2002 This book provides basic information for upgrading this series of computers.
© 2002 Compaq Computer Corporation Compaq, the Compaq logo, and Evo are trademarks of Compaq Information T echnologies Group, L.P . Microsoft, MS-DOS, W indo ws, W indows NT are trademarks of Microsoft Corporation. Intel, Pentium, Intel Inside, and Celeron are trademarks of Intel Corporation.
Hardware Ref erence Guide iii Contents 1 Product Features Standard Configuration Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 Front Panel Components . . . . . . . . . . . . . . . . . . . . . . . . .
iv Hardware Ref erence Guide Contents A Specifications B Hard Drive Installation Guidelines Using the Cable-Select Feature with Ultra ATA Devices . . . . . . . . . . . . . . . . . . . . . . . B–1 Guidelines for Installing Ultra ATA Devices . . . . .
Hardware Ref erence Guide 1–1 1 Pr oduct Features Standar d Configuration Features The Compaq Evo™ Desktop features may va ry depending on your model. For a complete listing of the hardw are and software installed in your computer , run Compaq Diagnostics for W indo ws or the INSPECT utility (av ailable on some models).
1–2 Hardware Ref erence Guide Product F eatures Fr ont P anel Components Front P anel Components 1 Diskette Driv e Activity Light 6 Hard Drive Activity Light 2 Po w e r B u t t o n 7 Microphone Conn.
Hardware Ref erence Guide 1–3 Product F eatures Rear P anel Components Å W ARNING: T o reduce the risk of electr ic shoc k or damage to the equipment: ■ Do not disable the po wer supply cord grounding plug. The g rounding plug is an impor tant saf ety feature .
1–4 Hardware Ref erence Guide Product F eatures Easy Access Ke yboar d Compaq Easy Access Ke yboard Components 1 Ctrl Ke y Used in combination with another ke y; its eff ect depends on the application software y ou are using. 2 Windows Logo K e y* Used to open the Star t menu in Microsoft Windows .
Hardware Ref erence Guide 1–5 Product F eatures Easy Access Software Y our Easy Access Ke yboard Buttons are programmed to default assignments. The pre installed Easy Access Software allo ws you to reprogram the Easy Access Buttons to reflect your personal preferences.
1–6 Hardware Ref erence Guide Product F eatures Easy Access P aper Icon Inser t The paper icon insert functions as a visual aid in identifying the programmed destination of each Easy Access Button.
Hardware Ref erence Guide 1–7 Product F eatures Serial Number Location Each computer has a unique serial number which may be located on the cov er top 1 or the rear panel 2 of the computer . K eep this number av ailable for use when contacting Compaq customer service for assistance.
1–8 Hardware Ref erence Guide Product F eatures.
Hardware Ref erence Guide 2–1 2 Har dware Upgrades Serviceability Features Y our computer includes features that make it easier to upgrade and service. Installation Sequence It is very important that you follo w this sequence of steps to ensure the proper installation of any optional equipment.
2–2 Hardware Ref erence Guide Hardware Upgr ades 3. Install an y optional equipment. See the applicable sections of this guide or to the documentation provided with the optional equipment for instructions. 4. Replace the computer co ver . 5. T urn on the monitor , computer , and any devices you w ant to test.
Hardware Ref erence Guide 2–3 Hardware Upg rades Remo ving the Computer Cover T o remov e the computer cov er: 1. Shut do wn the operating system properly , then power of f the computer and any e xternal de vices. 2. Disconnect the po wer cord from the power outlet, and disconnect any e xternal de vices.
2–4 Hardware Ref erence Guide Hardware Upgr ades Replacing the Computer Co ver T o replace the computer cov er: 1. Hold the co ver ov er the chassis, then rest the guide tabs located inside the cov er on the diagonal ramps at the rear of the chassis.
Hardware Ref erence Guide 2–5 Hardware Upg rades Remo ving the Fr ont Bezel 1. Shut do wn the operating system properly , then power of f the computer and any e xternal de vices. Disconnect the po wer cord from the po wer outlet and disconnect any e xternal devices.
2–6 Hardware Ref erence Guide Hardware Upgr ades Installing Additional Memory The computer comes with Synchronous dynamic random access memory (SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the Intel 815E and 845 chipset-based system board can be populated with industry-standard DIMMs.
Hardware Ref erence Guide 2–7 Hardware Upg rades Installing DIMMs Ä CA UTION: Y our memor y module sockets ha ve gold metal contacts. When upgrading y o ur memory , it is impor tant to use memor y modules with gold metal contacts to pre vent corrosion and/or o xidation resulting from having incompatib le metals in contact with each other .
2–8 Hardware Ref erence Guide Hardware Upgr ades 3. Open both latches of the memory module sock et 1 , and insert the memory module into the socket 2 . Installing a DIMM Begin b y installing a module into the socket nearest the preinstalled module, and install the modules follo wing the numerical order of the sockets.
Hardware Ref erence Guide 2–9 Hardware Upg rades Installing or Remo ving an Expansion Car d Remo ving an Expansion Slot Co ver 1. Shut do wn the operating system properly , then power of f the computer and any e xternal de vices, then disconnect the po wer cord from the po wer outlet.
2–10 Hardware Ref erence Guide Hardware Upgr ades Remo ving or Installing an Expansion Car d 1. Shut do wn the operating system properly , then power of f the computer and any e xternal de vices, then disconnect the po wer cord from the po wer outlet.
Hardware Ref erence Guide 2–11 Hardware Upg rades 7. Store the card in anti-static packaging. 8. Install an e xpansion slot cover or ne w expansion card to close the open slot. 9. If not installing a ne w expansion card, skip to step 11. 10. T o install a ne w expansion card in an open slot, remo ve the expansion slot co ver .
2–12 Hardware Ref erence Guide Hardware Upgr ades Drive P ositions T o verify the type and size of the storage de vices installed in your computer , run Compaq Computer Setup. Refer to the Computer Setup Guide for more information. ✎ Dri ve bay numbers are stamped on the chassis, behind the front bezel.
Hardware Ref erence Guide 2–13 Hardware Upg rades Remo ving a Drive from the Drive Ba y 1. Shut do wn the operating system properly , then power of f the computer , disconnect the power cord from the po wer outlet, and re move t he co mp ute r c over .
2–14 Hardware Ref erence Guide Hardware Upgr ades Removing a Drive fr om the Drive Bay 7. Remo ve the driv e from the drive bay and store in anti-static packaging. Installing Additional Drives The computer supports up to fi ve dri ves which may be installed in v arious configurations.
Hardware Ref erence Guide 2–15 Hardware Upg rades Ä CA UTION: T o pre vent loss of w ork and damage to the computer or dr ive: ■ If you are inserting or removing a hard drive, shut do wn the operating system properly , then turn off the computer.
2–16 Hardware Ref erence Guide Hardware Upgr ades Connecting Cables Remov e the appropriate bezel blank from the front bezel. See the section “Removing Bezel Blanks” for more information. 7. Replace the front bezel. 8. Replace the computer co ver .
Hardware Ref erence Guide 2–17 Hardware Upg rades 3. Lift up on the po wer switch bracket, then rotate do wn to gain access to the dri ve bay . Removing the P ower Switch Bracket 4. Insert the hard dri ve into the bay from the front of the chassis. Push it in until it locks into place.
2–18 Hardware Ref erence Guide Hardware Upgr ades 5. Connect the signal 1 and po wer 2 cables to the hard driv e. Connecting Cables 6. Connect the opposite end of the cables to the appropriate system board connector . 7. Lift the po wer switch bracket up and into position on the front of the chassis.
Hardware Ref erence Guide A–1 A Specifications 3 Compaq Ev o Desktop (Intel P entium 4) Dimensions Height Width Depth 5.72 in 15.25 in 17.90 in 14.53 cm 38.74 cm 45.47 cm Appro ximate Weight 25 lb 11.34 kg W eight Supported (maximum distributed load) 100.
A–2 Hardware Ref erence Guide Specifications P ower Output 235 W 235 W Rated Input Current (maximum)* 4 A 2 A Heat Dissipation Maximum Nominal 1234 BTU/hr 617 BTU/hr 311 kg-cal/hr 155 kg-cal/hr *This system utilizes a full-r anging, active po wer f actor corrected power supply to g reatly reduce the input current amplitude and harmonics.
Hardware Ref erence Guide A–3 Specifications P ower Suppl y Operating V oltage Range Rated V oltage Range* Rated Line F requency 90-132 V AC 100-127 V AC 50-60 Hz 180-264 V AC 200-240 V AC 50-60 Hz P ower Output 145 W 145 W Rated Input Current (maximum)* 5 A 2.
A–4 Hardware Ref erence Guide Specifications.
Hardware Ref erence Guide B–1 B Har d Drive Installation Guidelines Using the Cable-Select Feature with Ultra A T A Devices Optional dri ves are a vailable from Compaq in kits that include a special dri ve cable.
B–2 Hardware Ref erence Guide Hard Drive Installation Guidelines Guidelines f or Installing Ultra A T A Devices When installing additional Ultra A T A dri ves, follow these guidelines: ■ If using .
Hardware Ref erence Guide B–3 Hard Drive Installation Guidelines SCSI De vices This section contains information relating to SCSI de vice guidelines and installation.
B–4 Hardware Ref erence Guide Hard Drive Installation Guidelines ■ Every SCSI chain or circuit must be terminated (closed) at both ends. T ermination can be accomplished through one of the follo wing methods: ❏ Using a cable with a built-in terminator .
Hardware Ref erence Guide B–5 Hard Drive Installation Guidelines Guidelines f or Installing Optional SCSI Devices ✎ If you mix Ultra A T A and SCSI hard dri ves in the same system, the Ultra A T A dri ve will be the boot driv e unless the boot order is changed in the F10 Setup.
B–6 Hardware Ref erence Guide Hard Drive Installation Guidelines SCSI Cables The front dri ve bays are a v ailable for installing or connecting mass storage SCSI de vices. Using a SCSI Cable Select models ship with a multimode SCSI cable that supports Lo w V oltage Dif ferential (L VD) or single-ended de vices.
Hardware Ref erence Guide B–7 Hard Drive Installation Guidelines A menu displays with the follo wing options: ■ Configure/V ie w Host Adapter Settings ❏ SCSI Bus Interface Def initions ◆ Host .
B–8 Hardware Ref erence Guide Hard Drive Installation Guidelines T o determine if your computer contains a Quiet Dri ve or to acti vate Quiet mode, complete the follo wing steps: 1. T urn on or restart the computer . If you are in W indows, click Start > Shut Do wn > Restart the Computer .
Hardware Ref erence Guide C–1 C Battery Replacement The battery that comes with your computer provides po wer to the real-time clock and has a minimum lifetime of about three years. When replacing the battery , use a battery equiv alent to the battery originally installed on your computer .
C–2 Hardware Ref erence Guide Batter y Replacement Ä CA UTION: Static electr icity can damage the electronic components of the computer or optional equipment. Bef ore beginning these procedures, ensure that y ou are discharged of static electricity by briefly touching a grounded metal object.
Hardware Ref erence Guide C–3 Battery Replacement b . Slide the replacement battery into position, positi ve side up. The battery holder automatically secures the battery in the proper position. T ype 2 a. T o release the battery from its holder , squeeze the metal clamp that extends abo ve one edge of the battery .
C–4 Hardware Ref erence Guide Batter y Replacement c. T o insert the ne w battery , slide one edge of the replacement battery under the holder’ s lip with the positi ve side up. Push the other edge do wn until the clamp snaps ov er the other edge of the battery .
Hardware Ref erence Guide D–1 D Security Loc k Pro v isions Installing a Security Loc k There are se veral dif ferent security locks that may be used to secure the computer . The follo wing illustrations portray some of the av ailable security provisions which v ary by model.
D–2 Hardware Ref erence Guide Security Lock Pro visions Installing Compaq T ype 2 Security Bracket (ma y vary by model) Å W ARNING: T o avoid injury , use care in handling the separated pieces of the security brack et; metal edges may be sharp.
Hardware Ref erence Guide D–3 Security Lock Provisions Installing a Kensington Cable Loc k with a Compaq T ype 2 Bracket (ma y vary by model) Å W ARNING: T o avoid injury , use care in handling the separated pieces of the security brack et; metal edges may be sharp.
D–4 Hardware Ref erence Guide Security Lock Pro visions Installing a Kensington Cable Loc k (may vary b y model) Installing a Kensington Cable Loc k (may vary b y model).
Hardware Ref erence Guide E–1 E Electr ostatic Dischar ge A discharge of static electricity from a f inger or other conductor may damage system boards or other static-sensiti ve de vices. This type of damage may reduce the life expectanc y of the de vice.
E–2 Hardware Ref erence Guide Electrostatic Discharge ■ Use heelstraps, toestraps, or bootstraps at standing workstations. W ear the straps on both feet when standing on conducti ve floors or dissipating floor mats. ■ Use conducti ve f ield service tools.
Hardware Ref erence Guide F–1 F Routine Computer Care and Shipping Preparation Routine Computer Care Follo w these suggestions to take care of your computer and monitor: ■ Operate the computer on a sturdy , lev el surface. Lea ve a 3-inch (7.6-cm) clearance at the back of the system unit and abov e the monitor to permit the required airflo w .
F–2 Hardware Ref erence Guide Routine Computer Care and Shipping Preparation CD-R OM Drive Precautions Be sure to observe the follo wing guidelines while operating or cleaning your CD-R OM driv e. Operation ■ Do not mov e the dri ve during operation.
Hardware Ref erence Guide F–3 Routine Computer Care and Shipping Preparation Shipping Preparation Follo w these suggestions when preparing to ship your computer: 1. Back up the hard dri ve f iles on PD discs, tape cartridges, or diskettes. Be sure that the backup media is not e xposed to electrical or magnetic impulses while stored or in transit.
F–4 Hardware Ref erence Guide Routine Computer Care and Shipping Preparation.
Hardware Ref erence Guide Index–1 B battery replacement C–1 bezel blanks, removing 2–5 C CD-ROM drive busy indicator 1–2 eject button 1–2 installing 2–15 Components Keyboard 1–4 componen.
Index–2 Hardw are Reference Guide Inde x R removing bezel blanks 2–5 computer access panel 2–3 drive from drive bay 2–13 , 2–14 expansion card 2–9 expansion slot cover 2–9 front bezel 2.
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