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4-26

Removal and Replacement Procedures

4.13.3

Removing an Expansion Board

Prepare the computer for disassembly (Section 4.2).

WARNING:

Power is continuous to the system board and power supply even when the power

switch is turned off. To prevent damage to the unit, disconnect the power cord from the power
source or the unit before beginning disassembly procedures.

Lay the computer down on its large base for greater stability.

Remove the access panel (Section 4.6).

Disconnect any cables from the expansion board, noting their location for reinstallation.

Remove the expansion board retaining screw.

Hold the board at each end and carefully rock it back and forth while pulling upward,
until the connectors pull free from the slot.

Removing the Expansion Board

Summary of Contents for Deskpro EP 6233

Page 1: ...Compaq Deskpro EP Series of Personal Computers Maintenance Service Guide ...

Page 2: ...Guide to Features Upgrades Compaq Deskpro EP Series of Personal Computers ...

Page 3: ...stered U S Patent and Trademark Office PREMIER SOUND is a trademark of Compaq Computer Corporation Microsoft MS DOS and Windows are registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks of Intel Corporation MMX and Celeron are trademarks of Intel Corporation Product names mentioned herein may be trademarks and or registered trademarks of their respective compan...

Page 4: ...l 810 810e 1 8 1 4 5 Drive Positions 1 9 1 5 Serial Number Location 1 10 chapter 2 Spare Parts 2 1 System Unit 2 2 2 1 1 System Unit 440BX 2 2 2 1 2 System Unit Intel 810 810e 2 4 2 2 Mass Storage Devices 2 6 2 3 Cables 2 8 2 4 Standard and Optional Boards 2 10 2 5 Keyboards 2 15 2 6 Miscellaneous Hardware Kit 2 16 2 7 Miscellaneous Plastics Kit 2 17 2 8 Miscellaneous Parts 2 18 2 9 Shipping Boxes...

Page 5: ... 4 10 Power Switch 4 11 4 11 Mass Storage Devices 4 12 4 11 1 Removing an Internal 3 5 Inch Hard Drive 4 14 4 11 2 Removing an External 5 25 Inch Drive 4 16 4 11 3 Removing an External 3 5 Inch Drive 4 18 4 12 Removing the Drivelocks 4 21 4 13 Expansion Boards 4 24 4 13 1 440BX 4 24 4 13 2 Intel 810 and 810e 4 25 4 13 3 Removing an Expansion Board 4 26 4 13 4 Installing an Expansion Board 4 27 4 1...

Page 6: ... 2 Interrupts 6 2 6 1 3 DMA 6 3 6 1 4 I O 6 3 6 1 5 Memory Map 6 5 6 2 Drives 6 5 6 2 1 1 44 MB Diskette Drive 6 5 6 2 2 Ultra ATA Hard Drives 6 6 6 2 3 CD ROM Drives 6 7 6 3 Compaq Enhanced Keyboard 6 9 6 4 2 Button Mouse 6 9 6 5 Supported Graphics Resolutions 6 9 6 5 1 ATI RAGE PRO TURBO 1X AGP 6 9 6 5 2 ATI RAGE PRO IIC AGP 6 10 6 5 3 NVIDIA RIVA 128 AGP 6 10 6 5 4 Matrox MGA G100 AGP 6 10 6 5 ...

Page 7: ...c instructions Technician Notes WARNING Only authorized technicians trained by Compaq should attempt to repair this equipment All troubleshooting and repair procedures are detailed to allow only subassembly module level repair Because of the complexity of the individual boards and subassemblies no one should attempt to make repairs at the component level or to make modifications to any printed wir...

Page 8: ...ocumentation The following documentation is available to support these products User Documentation Technical Training Guides Compaq Service Advisories and Bulletins Compaq QuickFind Technical Reference Guide Compaq Service Quick Reference Guide ...

Page 9: ...P Series of Personal Computers 1 1 chapter 1 PRODUCT DESCRIPTION This chapter describes the model offerings and features of Compaq Deskpro EP Series of Personal Computers Compaq Deskpro EP Series of Personal Computers ...

Page 10: ...drives from the computer 2 standing the unit on its side 3 rotating the drives and bezel blanks 90 degrees then 4 reinserting the drives into the drive bays The Compaq Deskpro EP Series Intel 440BX chipset models will be referred to in this MSG as 440BX The Compaq Deskpro EP Series Intel 810 chipset models will be referred to in this MSG as 810 or Intel 810 The Compaq Deskpro EP Series Intel 810e ...

Page 11: ...is removed Details of the disassembly procedure are found in Chapter 4 Removal and Replacement Procedures The drive bays are located in the front of the chassis there are two 3 5 inch drive bays for internal hard drives and three 5 25 inch drive bays for accessible mass storage The chassis design allows drive installation without the use of rails Guide screws installed on each side of the drive en...

Page 12: ... A version of Microsoft Windows 95 that is different from the one included with the computer To order copies of suitable device drivers and utilities Order the Support Software CD for Compaq Desktop Products This compact disc contains the latest device drivers utilities and flashable ROM images needed to run MS DOS Windows 3 1 Windows 95 Windows NT Workstation 3 51 IBM OS 2 and NetWare on the Comp...

Page 13: ... does not ship with the computer 1 4 1 Front Panel Controls and LEDs 440BX Front Panel Controls and LEDs 440BX Ref Component Function Ref Component Function 1 Power On Light 6 CD ROM Volume Control 2 Diskette Drive Activity Light 7 CD ROM Headphone Jack 3 Diskette Eject Button 8 Dual State Power Button 4 CD ROM Eject Button 9 Drive Activity Light 5 CD ROM Activity Light CD ROM models only Flashes ...

Page 14: ... Ref Component Function 1 Power On Light 6 CD ROM Drive Busy Indicator 2 Diskette Drive Activity Light 7 Headphone Volume Control 3 Diskette Eject Button 8 Stereo Headphone Jack 4 Serial Number 9 Dual State Power Button 5 CD ROM Eject Button Drive Activity Light CD ROM models only Flashes when an ATAPI device such as the hard drive is active ...

Page 15: ...V and 230V to match geographical requirements 8 Monitor Connector 3 Universal Serial Bus USB Connectors 2 connects the computer to any USB peripheral while the computer is operating is a fully functional plug and play connector 9 Headphone Connector 4 Keyboard Connector Line Out Audio Connector 5 Mouse Connector Line In Audio Connector 6 Parallel Port Connector Microphone Connector Audio features ...

Page 16: ... 230V to match geographical requirements 9 Line Out Audio Connector 3 Universal Serial Bus USB Connectors 2 connects the computer to any USB peripheral while the computer is operating is a fully functional plug and play connector Serial Number 4 Serial Connectors Line In Audio Connector 5 Keyboard Connector Microphone Connector 6 Mouse Connector Parallel Port Connector 7 Monitor Connector Keyboard...

Page 17: ...rives 3 3 One standard 3 5 inch 1 44 MB diskette drive mounted with a drive adapter into a 5 25 inch bay 4 5 4 5 Two standard 3 5 inch drive bays Bay 4 contains the preinstalled hard drive Bay 5 is available for an optional hard drive Drive bay numbers are stamped on the chassis To verify the type and size of the mass storage devices installed in the computer run Compaq Computer Setup ...

Page 18: ...stics for Windows If the system board is replaced with a spare part from Compaq the invalid serial number condition will be recognized during POST The original serial number must then be reentered through Computer Setup Refer to the Software Reference Guide for more information CAUTION A system board borrowed from another computer is recognized as a valid serial number and will create a mismatch b...

Page 19: ...ters The Compaq Deskpro EP Series Intel 440BX chipset models will be referred to in this MSG as 440BX The Compaq Deskpro EP Series Intel 810 chipset models will be referred to in this MSG as 810 or Intel 810 The Compaq Deskpro EP Series Intel 810e chipset models will be referred to in this MSG as 810e or Intel810e ...

Page 20: ...2 2 Spare Parts 2 1 System Unit 2 1 1 System Unit 440BX System Unit Spare Parts 440BX Model ...

Page 21: ...nel Chassis Assembly Diskette Drive Cable 440BX PII two DIMM model 332857 001 PCA 008312 101 332863 001 166814 001 166867 001 166880 001 166838 001 440BX PII three DIMM model 166813 001 PCA 009635 101 332863 001 166814 001 166867 001 166880 001 166838 001 440BX PII PIII three DIMM model 118053 001 PCA 010233 101 Date code of X908XXXXXXXX or later 332863 001 166814 001 166867 001 166880 001 166838 ...

Page 22: ...2 4 Spare Parts 2 1 2 System Unit Intel 810 810e System Unit Spare Parts Intel 810 810e Model ...

Page 23: ...Chassis Assembly Diskette Drive Cable 440BX PII two DIMM model 332857 001 PCA 008312 101 332863 001 166814 001 166867 001 166880 001 166838 001 440BX PII three DIMM model 166813 001 PCA 009635 101 332863 001 166814 001 166867 001 166880 001 166838 001 440BX PII PIII three DIMM model 118053 001 PCA 010233 101 Date code of X908XXXXXXXX or later 332863 001 166814 001 166867 001 166880 001 166838 001 ...

Page 24: ...2 6 Spare Parts 2 2 Mass Storage Devices Mass Storage Devices ...

Page 25: ...tra ATA hard drive 33 7200 120419 001 20 0 GB Ultra ATA hard drive 33 7200 120420 001 22 6 GB Ultra ATA hard drive 33 7200 388511 001 2 Diskette drive 3 5 inch 141087 705 1 44 MB 3 mode 1 3 height without bezel includes drive bay adapter 179026 002 179161 001 Diskette drive adapter 180808 001 3 24X Max tray load IDE CD ROM drive 166869 001 32X Max tray load IDE CD ROM drive 327659 001 40X Max tray...

Page 26: ...2 8 Spare Parts 2 3 Cables Cables ...

Page 27: ...r polarization 108950 007 Switch mounting bracket 3 ea 166777 001 Dual LED power cable 1 ea 387727 001 40 position data cable 12 5 105876 001 Diskette drive tape cable with twist no key 34 Opt 356107 001 RTF card for EP diskette drive cable 157354 001 Diskette drive cable with twist 11 without pull tab 387795 001 3 Cable IDE CD ROM hard drive 14 inch 80 conductor 278296 001 4 Power cord AC black U...

Page 28: ...2 10 Spare Parts 2 4 Standard and Optional Boards Standard and Optional Boards ...

Page 29: ...740 001 Processor Celeron 500 66 w heatsink Use on 010174 101 system board 155379 001 Processor Celeron 500 66 401264 007 w heatsink clip and thermal interface Use on 010697 101 system board 176741 001 Processor PII 266 66 w heatsink 332862 001 Processor PII 300 66 w heatsink Use on 2 DIMM board 166881 001 Processor PII 333 66 w heatsink 166887 001 2a Processor PII 350 100 w heatsink Use on 3 DIMM...

Page 30: ...2 12 Spare Parts Standard and Optional Boards continued ...

Page 31: ...76744 001 Processor PIII 600 100 352772 007 w heatsink 135638 001 Use on 010233 101 system board 155592 001 Processor PIII 650 100 157381 002 w heatsink 401405 003 keyed heatsink clip 120891 001 spacer 168092 001 retention mechanism 350767 005 Use on 010582 101 system board 164568 001 Processor PIII 667 133 137365 002 w heatsink 401405 003 keyed heatsink clip 120891 001 spacer 168092 001 retention...

Page 32: ...33 6k Modem 294912 001 56k Modem 292269 003 6 NVIDIA Graphics 166982 001 7 ATI Graphics memory upgrade 2 MB for use on 166871 001 166971 001 ATI Graphics memory upgrade 4 MB for use on 166970 001 166972 001 8 ESS 1869 ISA Audio Board 440BX Use on speaker 166507 001 332859 001 Creative Labs SoundBlaster PCI 128V Audio Board with Compaq PREMIER SOUND 440BX Shipped on 440BX units with Windows 98 or W...

Page 33: ...3 351 French 269513 051 French Canadian 269513 121 German 269513 041 Greek 269513 151 Hungarian 269513 211 Italian 269513 061 Japanese 269513 191 Korean Hanguel 269513 AD1 International 269513 B31 Latin American Spanish 166984 161 Norwegian 269513 091 Polish 269513 241 Portuguese 269513 131 Russian 269513 251 Slovakian 269513 231 Spanish 269513 071 Swedish 269513 101 Swiss 269513 111 Taiwanese 269...

Page 34: ... Intel 810e PCA 010697 101 166808 002 3 Fan guard 105427 003 4 Screw 6 32 pan head x 1 4 inch 4 ea 192308 001 5 Thumbscrew 2 ea 440BX 197436 001 Thumbscrew 2 ea Intel 810 810e 124702 001 6 Screw M3 x 0 25 inch 4 ea 247348 001 Plastite flathead screw 4 ea 247481 001 Plastic push lock fastener for fan assy 4 ea 118663 002 Bracket 270886 002 blank AGP Gasket 247347 072 for use on 101144 001 slot cove...

Page 35: ...939 002 3 Processor retainer with pins for PII processor 166889 002 No longer included in kit 4 Processor retainers with pins for Celeron processor 2 ea 332816 001 No longer included in kit Processor retainer for PII and Celeron processor 350767 001 5 Bezel blank 2 ea 166775 001 6 Panel sub 166835 001 7 Button power 166774 001 8 Spring power button 166837 001 9 Drivelock DT 166779 001 10 Drivelock...

Page 36: ...001 5a Speaker with screws 50mm x 90mm 5 watt 440BX for use on audio board 356081 001 167029 001 5b Speaker with screws 2 5 5 watt 440BX for use on audio board 332859 001 166507 001 Speaker 40mm x 70mm Intel 810 356080 002 158267 001 Speaker 40mm x 70mm Intel 810e 174920 001 180809 001 6 Power switch with cable and switch mounting bracket 440BX only 3 ea 166925 001 7 3 5 to 5 25 Inch diskette driv...

Page 37: ... S 166990 001 Return Kit international 166990 002 2 10 Documentation and Software Documentation and Software not illustrated Description Spare Part Number Maintenance Service Guide desktop minitower 180999 001 Deskpro Service Reference Guide 152611 001 Windows 98 Country Kit 165534 001 Windows 95 Country Kit 165535 001 Windows NT Country Kit 165536 001 ...

Page 38: ...ng it Wear safety glasses equipped with side shields when cleaning the keyboard 3 1 2 Cleaning the Computer Case Follow all safety precautions in Section 3 1 1 before cleaning the computer To remove light stains or dirt use plain water with a clean lint free cloth or swab For stronger stains use a mild dishwashing liquid diluted with water Rinse well by wiping it with a cloth or swab dampened with...

Page 39: ...ike the space bar from the keyboard If these keys are improperly removed or installed the keyboard may not function properly Cleaning under a key may be done with a swab dampened with isopropyl alcohol Be careful not to wipe away lubricants necessary for proper key functions Use tweezers to remove any fibers or dirt in confined areas Allow the parts to air dry before reassembly 3 1 4 Cleaning the ...

Page 40: ...emoving DIPs from plastic tube 2 000 V 700 V 400 V Removing DIPs from vinyl tray 11 500 V 4 000 V 2 000 V Removing DIPs from Styrofoam 14 500 V 5 000 V 3 500 V Removing bubble pack from PCB 26 500 V 20 000 V 7 000 V Packing PCBs in foam lined box 21 000 V 11 000 V 5 000 V Dual Inline Packaging DIP is the packaging around individual microcircuitry These are then multi packaged inside plastic tubes ...

Page 41: ...e the following precautions Cover the workstation with approved static dissipative material Provide a wrist strap connected to the work surface and properly grounded tools and equipment Use static dissipative mats foot straps or air ionizers to give added protection Handle electrostatic sensitive components parts and assemblies by the case or PCB laminate Handle them only at static free workstatio...

Page 42: ... may have standard or metric threads and may be of different lengths If an incorrect screw is used during the reassembly process it can damage the unit Compaq strongly recommends that all screws removed during disassembly be kept with the part that was removed then returned to their proper locations 3 3 3 Cables and Connectors Most cables used throughout the unit are flat flexible cables These cab...

Page 43: ...se only the packaging provided by Compaq for shipping Do not remove hard drives from the shipping package for storage Keep hard drives in their protective packaging until they are actually mounted in the CPU Avoid dropping drives from any height onto any surface 3 3 5 Plastic Parts Plastic parts can be damaged by the use of excessive force during disassembly and reassembly When handling the plasti...

Page 44: ...ng components from the computer 4 3 Computer Feet 4 4 Logo Plate 4 5 Cable Lock 4 6 Access Panel 4 7 Front Bezel 4 8 Power Button 4 9 Subpanel and Bezel Blanks 4 10 Power Switch 4 11 1 Removing an Internal 3 5 Inch Hard Drive 4 11 2 Removing an External 5 25 Inch Drive 4 11 3 Removing an External 3 5 Inch Drive 4 12 Removing the Drivelocks 4 13 3 Removing an Expansion Board 4 14 Board Guide 4 15 S...

Page 45: ...t noting its position and routing Keep all screws with the components removed CAUTION The screws used in the computer are of different thread sizes and lengths using the wrong screw in an application may damage the unit WARNING To reduce the risk of personal injury from hot surfaces allow the internal system components to cool before touching CAUTION Static electricity can damage the electronic co...

Page 46: ... parts have to be removed to access the feet The replacement feet have an adhesive surface and are shipped with a protective backing in place Remove the feet from the backing before installation If necessary remove the old feet and remove any adhesive residue from the chassis by rubbing with your finger or a dry cloth Installing the Feet ...

Page 47: ...esktop bottom if a minitower and pull outward 2 To install a new logo plate align the guide pins in the slots 1 then press into place When replacing the logo plate ensure that the alignment pins are properly placed in the front bezel before pressing the logo plate into position Replacing the Compaq Logo Plate ...

Page 48: ...e security bracket by bending the metal where the three pieces join 2 Slide the tab on the narrow piece of the bracket into the notch on the back of the computer and rotate this piece toward the screw hole then slide the U shaped piece of the bracket between the narrow piece and the computer 3 Position both pieces of the bracket over the screw hole and secure the bracket to the computer with the s...

Page 49: ...4 6 Removal and Replacement Procedures Installing the Cable Lock Provision Intel 810 810e To remove the cable lock provision reverse the above procedure ...

Page 50: ... from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove 440BX or loosen Intel 810 810e the two screws that secure the access panel to the back of the computer chassis 4 Slide the access panel backward approximately 1 inch 2 5 cm then lift it up and off the unit Removing the Access Panel 440BX Removing the A...

Page 51: ...urce or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Press the two release tabs 1 at the top of the front bezel 5 Rotate the front bezel away from the chassis 2 to remove it from the unit Removing the Front Bezel When replacing the front bezel ensure that the bottom hinge points are properly...

Page 52: ...nnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 5 Pinch the two tabs of the power button together and pull the button out of the front bezel The spring will follow the button out of the housing Removing the Power B...

Page 53: ...s 1 Prepare the computer for disassembly Section 4 2 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 5 Pull on the subpanel to remove it from the inside of the front bezel CAUTION Hold the subpanel straight when you pull it away from the front bezel Pulling at an angle could damage the pins that align the su...

Page 54: ...wer cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 5 Disconnect the power LED cable from the system board 1 6 Push the release tab 2 toward the drive bays then remove the power switch assembly from the chassis Disconnecting the P...

Page 55: ...12 1 2 Two standard 5 25 inch half height bays for optional drives 3 3 One standard 3 5 inch 1 44 MB diskette drive mounted with a drive adapter into a 5 25 inch bay 45 4 5 Two standard 3 5 inch drive bays bay 4 contains the preinstalled hard drive bay 5 is available for an optional hard drive Drive bay numbers are stamped on the chassis To verify the type and size of the mass storage devices inst...

Page 56: ...es Optional drives are available from Compaq in kits that include a special drive cable The configuration of the drives employs a cable select feature that identifies the drives as device 0 primary drive or device 1 secondary drive The system board determines which drive is device 0 or device 1 based on the way the drives are connected to the special drive cable The device 0 drive is the drive con...

Page 57: ...fore beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 5 Disconnect the power 1 and data 2 cables from the back of the hard drive Disconnecting the Cables 6 Press the drivelock mechanism to unlock the hard drives Drivelock 1 secures the external drives in the desktop configurat...

Page 58: ...e that cables are placed in their proper locations during the reassembly process Improper cable placement can damage the computer CAUTION Use only 3 16 inch or 5 mm long screws as guide screws Longer screws can damage the internal components of the drive When installing a second ATA hard drive on the primary controller you must use an 80 conductor ATA cable for optimal performance The system autom...

Page 59: ...ower switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 5 If this is a desktop push down on drivelock 1 to release the drive if a minitower press drivelock 2 Rel...

Page 60: ...up with the guide slots 2 then slide the drive into the drive bay until it snaps into place 3 Connect the power and signal cables to the back of the drive 4 Remove the bezel blank from the subpanel if necessary Section 4 9 5 Reinstall the subpanel and the front bezel The system automatically recognizes hard drives sold by Compaq or any other plug and play hard drive and will automatically reconfig...

Page 61: ...ctor ATA cable for optimal performance spare part number 278296 001 1 Prepare the computer for disassembly Section 4 2 WARNING Power is continuous to the system board and power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for...

Page 62: ...ve adapter by squeezing inward on both sides 2 then rotating the brace up and out 8 Remove the drive bezel 3 9 Remove the two screws that secure the drive to the left side of the drive adapter 10 Slide the drive to the rear of the drive adapter until the diskette drive eject button is free of the button protector then lift the drive out of the drive adapter 11 Remove the guide screw from the right...

Page 63: ...top configuration When replacing the drive use the existing screws Metric screws M3 have a black finish while U S screws 6 have a silver finish CAUTION When servicing the computer ensure that cables are placed in their proper locations during the reassembly process Improper cable placement can damage the computer CAUTION Use only 3 16 inch or 5 mm long screws as guide screws Longer screws can dama...

Page 64: ...ing the Drivelocks The computer chassis contains two drivelock mechanisms Drivelock 1 secures the external drives in the desktop configuration drivelock 2 secures all drives in the minitower and the internal drives in the desktop configuration Drivelock Mechanism ...

Page 65: ...ity 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 5 Remove all of the drives from the computer Sections 4 11 1 4 11 2 and 4 11 3 6 While standing at the rear of the unit push the top drivelock assembly toward the front of the drive cage 7 Lift up on the side of the drivelock mechanism nearest you snapping the tabs out of the holes in the drive cage CAUTION The spring c...

Page 66: ...lock 11 Remove the spring from the post see inset Removing the Vertical Drivelock To reinstall the vertical drivelock reverse the previous procedure To reinstall the horizontal drivelock 1 Insert the left side of the drivelock with the rounded tabs into the slots on the drive cage 2 Place the washer on the middle tab on the underside of the drivelock 3 Compress the spring then lower the drivelock ...

Page 67: ...ocedures 4 13 Expansion Boards 4 13 1 440BX Deskpro EP Expansion Slots 440BX 2 DIMM Model Deskpro EP Expansion Slots 440BX 3 DIMM Model 1 ISA expansion slots 2 ISA PCI shared expansion slots 3 PCI expansion slots 4 AGP graphics slot ...

Page 68: ...puters 4 25 4 13 2 Intel 810 and 810e Deskpro EP Expansion Slots Intel 810 Deskpro EP Expansion Slots Intel 810e 1 ISA expansion slot 2 ISA ISA shared expansion slots 3 PCI expansion slots Your 810e system board may differ from the one shown ...

Page 69: ...wer cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Disconnect any cables from the expansion board noting their location for reinstallation 5 Remove the expansion board retaining screw 6 Hold the board at each end and carefully rock it back and forth while pulling ...

Page 70: ...even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 If you are installing an expansion board for the first time remove the expansion slot cover Removing the Expansion Board Slot...

Page 71: ...tely and firmly into the expansion slot Installing an Expansion Board 6 Secure the board to the chassis with the retaining screw 7 Attach any cables that came with the board If installing a NIC board attach the WOL power cable to connector P9 on the system board 8 Reassemble the computer The computer should automatically recognize the added plug and play board ...

Page 72: ...sconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove any full length expansion boards Section 4 13 3 5 Push down on the two tabs on the top of the board guide 6 While holding the tabs down remove the guide from the chassis Removing the Board Gu...

Page 73: ... MB of SDRAM DIMMs upgradeable to 512 MB The memory sockets on the system board can be populated with industry standard DIMMs These memory module slots are populated by at least one preinstalled memory module To achieve the maximum memory support you may be required to replace the preinstalled DIMM with a higher capacity DIMM For proper system operation the DIMMs must be industry standard 168 pin ...

Page 74: ...ure the DIMM in position and also to eject them from the socket when pressed outward Begin by installing a module into the socket nearest the preinstalled module and install the modules following the numerical order of the sockets Match the notch on the module with the tab on the memory socket Push the module down into the socket 2 ensuring that the module is fully inserted and properly seated 3 w...

Page 75: ... power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the AGP graphics board as you would any other expansion board Section 4 13 3 Removing the RAGE PRO Graphics Board To install the gr...

Page 76: ...t damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Insert the memory module at a 30 degree angle making sure that the notch on the module aligns with the tab in the socket 1 then pivot the module until it latches into position...

Page 77: ...e access panel Section 4 6 WARNING To reduce the risk of personal injury from hot surfaces allow the internal system components to cool before touching 4 For the Pentium II processor press in on the retaining clips on each side of the processor then lift the processor out of the socket Removing the Pentium II Processor from the System Board 440BX 5 For the Celeron processor press down on one retai...

Page 78: ...ke an audible sound when it is properly seated in the retaining clip 6 For the Celeron processor on the Revised Configuration remove the heatsink retaining clip 1 by pressing down on the clip s extended tab until it releases from the safety catch 7 Lift the heatsink 2 off the processor 8 Release the original processor from the socket by pulling the handle on the ZIF socket 3 out and upward 9 Lift ...

Page 79: ...ad attached to its bottom apply a single swipe of the thermal crayon to the processor before installing the heatsink Replace the thermal pad when you replace the heatsink on Celeron 466 66 MHz or faster processors and Pentium III 550 100 MHz or faster processors CAUTION Carefully remove the pad and all residue from the heatsink surface Thermal pad heat transmission is reduced if residue remains on...

Page 80: ...rom the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the processor Section 4 17 1 5 Remove the system board from the chassis Section 4 18 6 Turn the system board over so the bottom side is up then use a short small diameter screwdriver to press the push pins out of the...

Page 81: ...ocket and push firmly down to fully seat the free end of each Tuflok in its hole Then push down on each push pin to secure the goalpost Replacing the Processor Rails Reinstall the system board in the computer chassis Use your fingernail to lift and remove the four push tabs that attach the processor guide rails to the system board then remove the rails To replace the processor guide rails seat the...

Page 82: ...ystem board noting their location for reinstallation 6 Remove the DIMMs optional Section 4 15 7 Remove the AGP graphics board Section 4 16 1 8 Remove the processor Section 4 17 1 9 Remove the six retaining screws that secure the system board to the chassis 10 Slide the board about inch towards the front of the chassis to disengage the I O panel then lift it up and out of the chassis Removing the S...

Page 83: ...the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Disconnect the speaker cable from the audio board 1 5 If a round speaker is used on the computer remove the two screws 2 that secure the speaker 3 to the side of the drive cage Removing t...

Page 84: ...mputers 4 41 6 If an oval speaker is used on the computer remove the four screws 2 that secure the speaker 3 to the rear of the chassis Removing the Speaker From the Rear of the Chassis To install the new speaker reverse the preceding steps ...

Page 85: ...vent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Locate the battery on the system board If you have expansion boards installed you may need to remove them to gain access to the battery Section 4 13 3 Locating the Battery ...

Page 86: ...Compaq Deskpro EP Series of Personal Computers 4 43 Locating the Battery on the System Board Intel 810 Locating the Battery on the System Board Intel 810e ...

Page 87: ...sk of fire and chemical burn if the battery pack is handled improperly Do not disassemble crush puncture short external contacts dispose in water or fire or expose it to temperatures higher than 60ºC 140ºF In North America dispose of nickel metal hydride or lithium ion batteries by taking advantage of the Compaq battery recycling program You will be provided with a postage paid battery pack mailer...

Page 88: ...inning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Disconnect the fan power cable 1 from the system board 5 Remove the 4 screws 2 that secure the fan to the chassis 6 Remove the fan from the chassis 3 7 Pull on the two push pins that secure the fan grill to remove it from the fan Removing the Fan To install the fan ...

Page 89: ...3 Remove the access panel Section 4 6 4 Disconnect all power cables from the mass storage devices and the system board Power connectors are keyed for correct installation Note the orientation of each cable connector and the routing of the cables to facilitate reassembly 5 Remove the three external screws that secure the power supply to the back of the chassis The internal screw that secures the po...

Page 90: ...Compaq Deskpro EP Series of Personal Computers 4 47 Removing the Power Supply Intel 810 810e To replace the power supply reverse the above procedure ...

Page 91: ... off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 5 Remove the drives from the 5 25 inch drive bays by pressing drivelock 1 Sections 4 11 2 and 4 11 3 Activating the Drivelocks...

Page 92: ...tall them into the drive bays The diskette drive should always be placed in bay number 3 the bay nearest the internal 3 5 inch drives for proper placement within the chassis Installing a Drive in the Minitower Configuration CAUTION The use of unnecessary force may result in damage to the drives ...

Page 93: ...ks 90 degrees Section 4 9 CAUTION Hold the subpanel straight when you pull it away from the front bezel Pulling the subpanel away at an angle could damage the pins that align it within the front bezel Changing from a Desktop 1 to a Minitower 2 Configuration 9 Replace the subpanel front bezel and the computer access panel 10 Reassemble the computer ...

Page 94: ...isconnect the power cord from the power source or the unit before beginning disassembly procedures 2 Lay the computer down on its large base for greater stability 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 5 Disconnect all power and data cables from the drives in the 5 25 inch drive bays 6 Remove the drives from the 5 25 inch drive bays by pressing drivelock 2 Secti...

Page 95: ... into the drive bays The diskette drive should always be placed in the bay nearest the top of the chassis in the desktop configuration for proper drive clearance and access Installing a Drive in the Desktop Configuration CAUTION The use of unnecessary force may result in damage to the drives ...

Page 96: ... the bezel blanks 90 degrees Section 4 9 CAUTION Hold the subpanel straight when you pull it away from the front bezel Pulling the subpanel away at an angle could damage the pins that align it within the front bezel Converting a Minitower 2 to a Desktop 1 10 Replace the subpanel front bezel and the computer access panel Reassemble the computer ...

Page 97: ... Header P5 Power Switch and LED Connector J1 DIMM 1 Expansion Slot P8 Chassis Fan Connector J2 DIMM 2 Expansion Slot P9 Wake on LAN Header J3 DIMM 3 Expansion Slot P10 Diskette Drive Connector J10 PCI ISA Dual Expansion Slot combo P20 IDE Connector primary J11 ISA Expansion Slot P21 IDE Connector secondary J20 PCI Expansion Slot P24 Not used J21 PCI Expansion Slot P55 Not Used J22 PCI Expansion Sl...

Page 98: ... Slot combo P20 IDE Connector primary J20 PCI Expansion Slot P21 IDE Connector secondary J21 PCI Expansion Slot Slot 1 Processor Connector J22 PCI Dual Expansion Slot combo SW1 Processor Speed and Feature Switch Connectors Jumpers and Switches Intel 810e PCA 010697 101 Item Description Item Description J7H1 Clear Password J7J1 Power Supply Connector J4C1 PCI Expansion Slot 1 J8F1 Power Switch and ...

Page 99: ...assword P5 Power Switch and LED Connector XMM1 DIMM 1 Expansion Slot P6 Chassis Fan XMM2 DIMM 2 Expansion Slot P7 CD In Header J10 ISA Dual Expansion Slot 1 combo P8 Chassis Fan Connector J11 ISA Expansion Slot 2 P9 Wake on LAN Header J20 PCI Expansion Slot 1 P10 Diskette Drive Connector J21 PCI Expansion Slot 2 P20 IDE Connector primary J22 PCI Expansion Slot 3 P21 IDE Connector secondary J23 PCI...

Page 100: ...ed S2 S3 S4 S5 233 66 MHz OFF OFF ON ON 266 66 MHz ON ON OFF ON 300 66 MHz ON OFF OFF ON 333 66 MHz maximum OFF ON OFF ON 350 100 MHz OFF OFF ON ON 400 100 MHz ON ON OFF ON 450 100 MHz ON OFF OFF ON 500 100 MHz OFF ON OFF ON As of January 1 1999 all 300 MHz and faster Celeron and Pentium processors are shipped with the processor speeds preset This preset processor speed will override any switch se...

Page 101: ...s incorrect your computer may not work properly and you may receive error messages Setting system board jumpers is part of the reconfiguration process along with running the Computer Setup utility To change the system board jumpers you must remove the system access panel For assembly and disassembly procedures refer to Chapter 4 CAUTION To reduce the risk of personal injury from hot surfaces allow...

Page 102: ...nctioning accurately or due to the addition or removal of expansion boards If the computer s configuration memory becomes corrupted it is necessary to clear the configuration memory 1 Turn off the computer and any external devices and disconnect the power cord from the power outlet 2 Disconnect the keyboard monitor and any other external equipment connected to the computer 3 Remove the computer ac...

Page 103: ...y and you may receive error messages Setting system board jumpers is part of the reconfiguration process along with running the Computer Setup utility To change the system board jumpers you must remove the system access panel For assembly and disassembly procedures refer to Chapter 4 CAUTION To reduce the risk of personal injury from hot surfaces allow the internal system components to cool before...

Page 104: ...on pins 1 and 2 10 Repeat steps 6 8 then establish new passwords Refer to the Computer Setup F10 Setup instructions to establish new passwords Disabling or Clearing the Power On and Setup Passwords Intel 810 810e PCA 010697 The computer s configuration CMOS may occasionally be corrupted If it does it is necessary to clear the CMOS memory To clear and reset the configuration perform the following p...

Page 105: ...it is turned off Failure to disconnect the power cord can result in damage to the system CAUTION Static electricity can damage the electronic components of the computer or optional equipment Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object Refer to the Safety Regulatory Information guide for more information 3 Remove...

Page 106: ...from Compaq in kits that include a special drive cable The configuration of the drives employs a cable select feature that identifies the drives as device 0 primary drive or device 1 secondary drive The system board determines which drive is device 0 or device 1 based on the way the drives are connected to the special drive cable The device 0 drive is the drive connected to the short segment of th...

Page 107: ...show the approximate location of the drive jumpers based on the manufacturer of the drive The actual location may vary slightly from drive to drive Seagate Fujitsu and Western Digital Ultra ATA Hard Drive Jumper Settings Seagate Fujitsu and Western Digital Ultra ATA Hard Drive Jumper Settings Definition Seagate Fujitsu Western Digital Single 7 to 8 1 2 and 3 5 3 5 Primary 5 to 6 and 7 to 8 1 2 and...

Page 108: ...Maxtor Ultra ATA Hard Drive Jumper Settings Definition J50 J48 J46 J44 J42 Single J Primary in a dual drive system J Secondary O Cable Select disabled O enabled J 4092 Cylinder Limitation disabled O enabled J Factory Reserved O Factory Reserved O J jumper O no jumper default setting ...

Page 109: ... 120 VAC 47 63 Hz 4 0 A 380 BTU Hr 760 BTU Hr 180 264 VAC 200 240 VAC 47 63 Hz 2 0 A 1 60 kg cal min 3 19 kg cal min Power Supply 200 Watt 440BX Operating Voltage Range Rated Voltage Range Rated Line Frequency Rated input current maximum Heat dissipation nominal Heat dissipation maximum 90 132 VAC 110 120 VAC 47 63 Hz 5 5 A 525 BTU Hr 1 050 BTU Hr 180 264 VAC 200 240 VAC 47 63 Hz 3 0 A 2 21 kg cal...

Page 110: ...g Nonoperating Maximum Altitude unpressurized Operating Nonoperating 50 to 95 F 4 to 140 F 20 to 80 10 to 90 10 000 ft 30 000 ft 10 to 35 C 20 to 60 C 20 to 80 10 to 90 3048 m 9144 m 6 1 2 Interrupts Hardware IRQ System Function IRQ 0 Timer Interrupt Not on ISA Bus IRQ 1 Keyboard Not on ISA Bus IRQ 2 Interrupt Controller Cascade Not on ISA Bus IRQ 3 Unused IRQ 4 Serial Port COM 1 IRQ 5 Audio alter...

Page 111: ...0 01F Unused 020 03F Interrupt Controller 1 040 043 Counter Timer 044 05F Unused 060 Keyboard Controller 061 Port B 062 063 Unused 064 Keyboard Controller 065 06F Unused 070 071 NMI Enable Real Time Clock 072 077 CMOS Storage 078 07F Unused 080 08F DMA Page Registers 090 091 Unused 092 Port A 093 09F Unused 0A0 0BF Interrupt Controller 2 0C0 0DF DMA Controller 2 0E0 0EB Unused 0EC 0ED 483 Configur...

Page 112: ...nused 202 21F Unused 220 22F Audio Alternate 240 24F 260 26F or 280 28F 230 277 Unused 278 27F Reserved Parallel Port 280 2E7 Unused 2E8 2EF Reserved Serial Port 2F0 2F7 Unused 2F8 2FF Reserved Serial Port 300 317 Unused 318 319 Unused 31A 36F Unused 370 377 Reserved 378 37F Parallel Port Primary 380 387 Unused 388 38B Unused 38C 397 Unused 39A 3AF Unused 3B0 3BB MDA EGA VGA 3BC 3BF Reserved Paral...

Page 113: ...8 KB 000A0000h to 000BFFFFh Video RAM 640 KB 00000000h to 0009FFFFh Base Memory All memory above the first 256 MB is non cacheable All PCI memory is non cacheable AGP Window 6 2 Drives 6 2 1 1 44 MB Diskette Drive Size and Capacity Size in High Density MB Low Density KB 3 5 1 44 720 Compaq Spare Part Number 179161 001 Light Green Height One third 1 inch Bytes per Sector 512 Sectors per Track High ...

Page 114: ...5 Sectors per Track Logical 63 63 63 63 63 Buffer Size KB 256 512 512 512 512 10 0 GB 10 0 GB 13 5 GB Compaq Spare Part Number 320662 001 135364 001 140515 001 Drive Type 65 65 65 Revolutions Per Minute RPM 5400 5400 7200 Transfer Rate Interface MBytes sec 33 3 66 66 6 Typical Seek Time including settling Single Track ms Average ms Full Stroke ms 1 42 9 4 18 6 2 1 10 9 25 0 1 7 8 5 165 0 Cylinders...

Page 115: ...city 540 MB Mode 1 12 cm 650 MB Mode 2 12 cm 180 MB 8 cm 540 MB Mode 1 12 cm 650 MB Mode 2 12 cm Center Hole Diameter 15 mm 15 mm Disc Thickness 1 2 mm 1 2 mm Track Pitch 1 6 µm 1 6 um Laser Beam Divergence Output Power Type Wave Length 53 5 degrees 1 5 degrees 0 14 mW Semiconductor laser GaAIAs 780 nm 25 nm 53 5 degrees 1 5 degrees 0 14 mW Semiconductor laser GaAIAs 780 nm 25 nm Access Time Rando...

Page 116: ...12 cm 8 cm Capacity 540 MB Mode 1 12 cm 650 MB Mode 2 12 cm 180 MB 8 cm Center Hole Diameter 15 mm Disc Thickness 1 2 mm Track Pitch 1 6 µm Laser Beam Divergence Output Power Type Wave Length 53 5 degrees 1 5 degrees 0 14 mW Semiconductor laser GaAIAs 780 nm 25 nm Access Time Random Full Stroke 85 ms 200 ms Audio Output Level 0 7 Vrms typical Cache Buffer 128 KB Data Transfer Rate Sustained Burst ...

Page 117: ...ge 32 F to 104 F 4 F to 140 F 0 C to 40 C 20 C to 60 C Lifetime Mechanical Switch Exceeds 300 miles Exceeds 1 million operations Exceeds 483 km Exceeds 1 million operations Relative Humidity 10 to 90 noncondensing 10 to 90 noncondensing ESD No soft errors through 10 kV No hard errors through 15 kV specific performance depends on host system 6 5 Supported Graphics Resolutions 6 5 1 ATI RAGE PRO TUR...

Page 118: ... Refresh Rate Colors Supported 4 MB SGRAM 1920 x 1080 72 Hz 256 1600 x 1200 85 Hz 65K 1280 x 1024 85 Hz 65K 1152 x 864 85 Hz 16M 1024 x 768 85 Hz 16M 800 x 600 85 Hz 16M 640 x 480 85 Hz 16M 6 5 4 Matrox MGA G100 AGP Resolution Refresh Rate Colors Supported 4 MB SGRAM 1920 x 1200 70 Hz 256 1920 x 1080 75 Hz 256 1800 x 1440 65 Hz 256 1600 x 1200 85 Hz 65K 1280 x 1024 85 Hz 16 7M 1152 x 864 85 Hz 16 ...

Page 119: ...7M 800 x 600 85 Hz 16 7M 640 x 480 85 Hz 16 7M 6 5 6 Matrox Millenium G400 SG AGP Resolution Refresh Rate Colors Supported 16 MB SGRAM 2048 x 1536 65 Hz 16 7M 1920 x 1440 75 Hz 16 7M 1920 x 1080 85 Hz 16 7M 1800 x 1440 85 Hz 16 7M 1600 x 1200 85 Hz 16 7M 1280 x 1024 85 Hz 16 7M 1152 x 864 85 Hz 16 7M 1024 x 768 85 Hz 16 7M 800 x 600 85 Hz 16 7M 640 x 480 85 Hz 16 7M 6 5 7 Integrated Intel 3D Graph...

Page 120: ...ic Range DR Digital Playback Digital Record 81 dB 77 dB 89 dB 87 dB Total Harmonic Distortion Noise Digital Playback Digital Record 65 dB 65 dB 80 dB 82 dB Frequency Response 3 dB cutoffs Line Level 48 kHz Speaker 20 Hz to 20 000 Hz 200 Hz to 15 000 Hz 20 Hz to 20 000 Hz 200 Hz to 15 000 Hz Crosstalk dB Line Output 63 dB 92 dB Impedance nominal Microphone In Line Out 100 k ohms 5 k ohms 10 Kohms 1...

Page 121: ...Voltage rms Line Output 1 40 Dynamic Range DR Digital Playback Digital Record 91 dB 87 dB Total Harmonic Distortion Noise Digital Playback Digital Record 68 dB 77 dB Frequency Response 3 dB cutoffs Line Level 48 kHz Speaker 20 Hz to 20 000 Hz 200 Hz to 15 000 Hz Crosstalk dB Line Output 70 dB Impedance nominal Microphone In Line Out 10 k ohms 800 ohms Data Types PCM A Law µ Law 8 16 bit mono stere...

Page 122: ...tium III processors will be shipped with a new system board and graphics controller All machines with a date code of x908xxxxxxxx or later will use the new system board spare part number 118053 001 and graphics controller spare part number 402125 001 4 Two gaskets are included in the Deskpro EP Series units to minimize vibration caused by the speaker when played at high volumes The gaskets are loc...

Page 123: ... Rear Panel Connectors Intel 810 810e 1 8 configuration 4 12 connector service considerations 3 5 connector location 440BX 2 DIMM board 5 2 440BX 3 DIMM system 5 1 Intel 810 810e 2 DIMM board 5 3 D device drivers ordering 1 4 disassembly chart 4 1 diskette drive spare part number 2 7 specifications 6 5 DMA specifications 6 3 documentation spare part numbers 2 19 drive bay bezel spare part number 2...

Page 124: ...ce considerations 3 6 power supply spare part number 440BX 2 3 spare part number Intel 810 810e 2 5 spare part number Intel 810 810e 2 5 power switch spare part number 2 3 preloaded software 1 4 preventing electrostatic damage 3 3 processor spare part number 2 11 R removal and replacement feet 4 3 routine care computer 3 1 S screws service considerations 3 5 Seagate EIDE hard drive jumper settings...

Page 125: ...rd spare part number 2 11 System memory 440BX 4 30 810 810e 4 30 system unit spare part numbers 2 3 2 5 T tools service considerations 3 5 U Ultra ATA devices 4 13 Ultra ATA hard drive specifications 6 6 W Western Digital EIDE hard drive jumper settings 5 11 ...

Page 126: ...134011 004 181099 001 ...

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Compaq Deskpro EP 6233, User Manual

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