Home

Compaq EP Series User's Manual

1. A Removing the Processor Rails Compaq Deskpro EP Series of Personal Computers Lay the computer down on its large base for greater stability 4 37 7 With the Tuflok pins in their full up position firmly pull on each leg of the processor rail to disengage it from the system board E 8 Place each of the type 2 processor rail goalposts Compaq part number 350767 002 in position with the open end facing the processor socket 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 a Reinstall the system board in the computer chassis L 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 guide rails flush with the system board then press in the push tabs to attach the rails to the system board 4 38 Removal and Replacement Procedures 4 18 System Board 1 Ve go ete So pi ccs IN 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 Sect
2. Intel 810e 174920 001 Power switch with cable and switch mounting bracket 440BX only 3 ea 3 5 to 5 25 Inch diskette drive mounting bracket with screws and brace for use in bay 3 only 440BX only 3 5 to 5 25 Inch hard drive mounting bracket 3 5 to 5 25 Inch height mounting bracket for use in bays 1 and 2 only Not shown Spare Parts 166847 001 167029 001 166507 001 158267 001 180809 001 166925 001 166923 001 243231 001 243230 002 2 9 2 10 Shipping Boxes Shipping Boxes not illustrated Description Spare Part Number Return Kit with buns U S 166990 001 Return Kit international 166990 002 Documentation and Software Documentation and Software not illustrated Description Spare Part Number Maintenance amp Service Guide desktop amp 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 Compaq Despro EP Series of Personal Computers 2 19 chapter 3 REMOVAL AND REPLACEMENT PRELIMINARIES 3 1 Routine Care 3 1 1 Cleaning Safety Precautions W Never use solvents or flammable solutions to clean the computer Never immerse any parts in water or cleaning solutions apply any liquids to a clean cloth and then use the cloth on the component Always turn off the computer when cleaning with liquids or damp cloths Always turn off the computer before cleaning
3. Turn off the computer and any external devices and disconnect the power cord from the power outlet Disconnect the keyboard monitor and any other external devices connected to the computer 3 Remove the computer cover or access panel 10 Locate the header and jumper labeled E49 Remove the jumper from pins 1 and 2 Place the jumper over pin 2 only in order to avoid losing it Replace the computer cover or access panel Reconnect the external equipment Plug in the computer and turn on power Allow the operating system to start This clears the current passwords and disables the password features To re enable the password features repeat steps 1 4 then replace the jumper on pins 1 and 2 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 procedure Prepare the computer for disassembly CAUTION The power cord must be disconnected from the power source before changing the jumpers Failure to do so may damage the system board Remove the hood Move the J7H1 jumper from pins 1 and 2 to pins 2 and 3 for 60 seconds then replace the jumper to its original position Replac
4. 440BX Power supply 145 Watt Logo Kit Deskpro EP 1 ea DT and MT Chassis basepan repair exchange only Spare Part Number 166867 001 166868 001 166814 001 332863 001 166924 001 Power supply 200 Watt Miscellaneous Plastics 166925 001 166880 001 Power switch with cable LED and switch holder 3 ea Major Differences Between 440BX and Intel 810 810e System Board Assembly 440BX PII two DIMM model 332857 001 PCA 008312 101 Power Supply 145 Watt 332863 001 Power Supply 200 Watt 166814 001 Access Panel 166867 001 Chassis Assembly 166880 001 Diskette Drive Cable 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 440BX PIII three DIMM model 164483 001 PCA 010582 101 332863 001 166814 001 166867 001 166880 001 166838 001 Intel 810 Celeron 401963 001 PCA 010174 101 n a 103748 001 137384 001 Not spared 143218 001 Intel 810e Celeron 164122 001 PCA 010546 101 n a 103748 001 137384 001 Not spared 143218 001 2 3 Compaq Despro EP Series of Personal Computers 2 1 2 System Unit Intel 810 810e Bs C System Unit Spare Par
5. Enabled Location of SW1 DIP Switches on the System Board 440BX Switch SW1 Settings 440BX Password Control Disable Password S1 On Enable Password Default setting S1 Off Processor Speed 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 Q 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 settings on the system board Connectors Jumpers and Switches 5 1 3 Jumpers 440BX This section provides information on enabling disabling passwords and clearing the configuration CMOS E50 1 2 3 Normal Clear Operation L1 LI CMOS E50 Jumper Location When you change a security feature you must reset the appropriate jumper on the system board then reconfigure the computer to recognize this change If the system configuration is 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 Y 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
6. IRQ 3 Unused IRQ 4 Serial Port COM 1 IRQ 5 Audio alternate IRQ 7 9 10 11 or 12 IRQ 6 Diskette Drive IRQ 7 Parallel Port LPT 1 IRQ 8 Real Time Clock Not on ISA Bus IRQ 9 Unused IRQ 10 Unused IRQ 11 PCI Interrupt IRQ 12 Mouse IRQ 13 Coprocessor Not on ISA Bus IRQ 14 IDE Interface Hard Drive IRQ 15 CD ROM 6 2 Specifications 6 1 3 6 1 4 DMA Hardware DMA System Function DMA O DMA 1 DMA 2 DMA 3 DMA 4 DMA 5 DMA 6 DMA 7 1 0 Unused Audio Alternate DMA 0 or 3 Diskette Drive ECP Parallel Port LPT1 Default Alternate DMA 0 DMA Controller Cascading Not on ISA Bus Unused Unused Unused I O Address Hex System Function Shipping Configuration 000 OOF 010 O1F 020 03F 040 043 044 O5F 060 061 062 063 064 065 O6F 070 071 072 077 078 07F 080 08F 090 091 092 093 09F OAO OBF 0CO ODF OEO OEB OEC OED OEE OEF OFO OF1 OF2 OF3 OF4 OF5 OF6 OF8 OF9 DMA Controller 1 Unused Interrupt Controller 1 Counter Timer Unused Keyboard Controller Port B Unused Keyboard Controller Unused NMI Enable Real Time Clock CMOS Storage Unused DMA Page Registers Unused Port A Unused Interrupt Controller 2 DMA Controller 2 Unused 483 Configuration Index Data 483 Fast A20 Fast Reset Co Processor Busy Clear Reset Unused 483 CPU Speed Slow Fast Unused 483 PGL Configuration Lock Continued Compaq Des
7. Remove the three external screws that secure the power supply to the back of the chassis The internal screw that secures the power supply to the side of the chassis may not need to be removed only loosened 6 Slide the power supply toward the front of the computer then lift up to remove it from the chassis Removing the Power Supply 440BX 4 46 Removal and Replacement Procedures 2 o Removing the Power Supply Intel 810 810e To replace the power supply reverse the above procedure Compaq Deskpro EP Series of Personal Computers 4 47 4 23 X Converting a Desktop to a Minitower 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove the front bezel Section 4 7 DAL gp te Remove the drives from the 5 25 inch drive bays by pressing drivelock 9 Sections 4 11 2 and 4 11 3 gt Activating the Drivelocks Shown from the Rear of the Chassis 4 48 Removal and Replacement Procedures 6 Rotate the drives 90 degrees then reinstall them into the drive bays Bw The diskette drive should always be placed in bay number 3 the bay nearest th
8. single and multi session 327659 001 12 cm 8 cm 540 MB Mode 1 12 cm 650 MB Mode 2 12 cm 15 mm 1 2 mm 1 6 um 53 5 degrees 1 5 degrees 0 14 mW Semiconductor laser GaAIAs 780 nm 25 nm lt 100 ms lt 150 ms 0 7 Vrms typical 128 KB 2100 to 4800 KB sec 16 MB sec Compaq Deskpro EP Series of Personal Computers Continued 6 8 Specifications CD ROM continued Applicable Disc Compaq Spare Part Number Disc Diameter Capacity Center Hole Diameter Disc Thickness Track Pitch Laser Beam Divergence Output Power Type Wave Length Access Time Random Full Stroke Audio Output Level Cache Buffer Data Transfer Rate Sustained Burst 40X Max CD ROM mode 1 mode 2 Mixed mode audio and data combined CD DA CDi ready CD XA ready Photo CD single and multi session 400807 001 12 cm 8 cm 540 MB Mode 1 12 cm 650 MB Mode 2 12 cm 180 MB 8 cm 15 mm 1 2 mm 1 6 um 53 5 degrees 1 5 degrees 0 14 mW Semiconductor laser GaAlAs 780 nm 25 nm 85 ms 200 ms 0 7 Vrms typical 128 KB 1500 to 3600 KB sec 4 0 MB sec 6 3 6 4 6 5 6 5 1 Compaq Enhanced Keyboard Dimensions Height Width Depth Weight 2 Button Mouse Dimensions Height Length Width Weight Base Resolution Tracking Speed maximum Temperature Operating Storage Lifetime Mechanical Switch Relative Humidity ESD 1 3 in 18 3 in 6 35 in 3 0
9. 002 Use on 010233 101 system board Sr Processor PIII 600 133 137365 001 w heatsink 401405 003 164403 001 keyed heatsink clip 120891 001 spacer 168092 001 retention mechanism 350767 005 Use on 010546 101 system board EE Processor PIII 600 100 352772 007 w heatsink 135638 001 155592 001 Use on 010233 101 system board Processor PIII 650 100 157381 002 w heatsink 401405 003 164568 001 keyed heatsink clip 120891 001 spacer 168092 001 retention mechanism 350767 005 Use on 010582 101 system board Processor PIII 667 133 137365 002 w heatsink 401405 003 161671 001 keyed heatsink clip 120891 001 spacer 168092 001 retention mechanism 350767 005 Use on 010546 101 system board Processor PIII 700 100 157381 004 w heatsink 401405 003 164568 001 keyed heatsink clip 120891 001 spacer 168092 001 retention mechanism 350767 005 Use on 010582 101 system board 3 Memory Module DIMM 66 MHz 16 MB 278066 001 i 32 MB 278067 001 n 64 MB 278095 001 Memory Module DIMM 66 MHz with ECC 16 MB 278097 001 32 MB 288440 001 64 MB 278098 001 128 MB 278099 001 Memory Module DIMM 100 MHz 16 MB 166969 001 32 MB 166890 001 64 MB 179190 001 128 MB 166966 001 Memory Module DIMM 100 MHz with ECC 16 MB 166964 001 32 MB 166968 001 64 MB 166967 001 128 MB 166965 001 Compaq Despro EP Series of Personal Computers 2 13 2 14 Spare Parts Standard and Option
10. 25 4 13 3 Removing an Expansion Board essen ene 4 26 4 13 4 Installing an Expansion Board esee 4 27 4 14 Board Guids nit id 4 29 4 15 System Memory a li ies 4 30 4 15 T AAOB Xa il n EE np ia 4 30 4 15 2 Intel 810 8108 5 2 2 t SER etie tuse eme os 4 30 4 16 AGP Graphics Board 440BX cei e e i a non nennen nent eere renes 4 32 4 16 1 AGP Graphics Board Removal 440BX eene 4 32 4 16 2 Graphics Memory Upgrade 440BX coooconcnncccnccconnnonononoconocononanonanonanonanonnncnnnnns 4 33 4 17 Processor Components eo esc d e tC b e eres det 4 34 4 1721 Processor da 4 34 2 172 Processor Guide Ralls er et ah eret ete ps 4 37 4 18 System Board eoo nete ee een ad EEG ER RE 4 39 4 19 Internal Speaker iii ROO He teme Ui mee 4 40 4 20 Lithium Battery Ree A Reina eee 4 42 4 21 Ban Assembly tit d ete n deis bu ee te edet dotes 4 45 4 22 POWer Supply gg ectetuer 4 46 4 23 Converting a Desktop to a Minitower eese een eene 4 48 4 24 Converting a Minitower to a Desktop ene 4 51 Contents chapter 5 Connectors Jumpers and Switches IS A A A ER pr Eee 5 1 5 1 1 Connectors Jumpers and SWItCh S oonccnnnconnocononcnconccnnnnncnnnncnnnccnnnccnnncconnnannnos 5 1 NN 5 4 3 1 3 Jumpers 440BX 4 sistere nhe ter erre Rp Rar REY e d nens 5 5 DLA Jumpets Intel 810 8106 a tree Pa Rer ye tene 5 7 2 2 Hard Drives eet a 5 10 5 2 1 Us
11. 810 Compaq Deskpro EP Series of Personal Computers 4 35 To install a new processor reverse this procedure BQ If the heatsink has a thermal pad attached to its bottom peel off the protective paper before installing the heatsink If the heatsink does not have a thermal pad attached to its bottom apply a single swipe of the thermal crayon to the processor before installing the heatsink D 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 the heatsink or the heatsink surface is scratched 4 36 Removal and Replacement Procedures 4 17 2 Processor Guide Rails 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 Remove the access panel Section 4 6 Remove the processor Section 4 17 1 Remove the system board from the chassis Section 4 18 9v Um de Ux gm 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 plastic Tufloks that secure the processor rails to the system board
12. AssetControl the serial number is embedded in CMOS and in the EEPROM on the system board and may be accessed through Diagnostics for Windows ES 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 between the serial number label and the electronic serial number The computer serial number should be provided to Compaq when requesting information or ordering spare parts 1 10 Product Description chapter 2 SPARE PARTS A Compaq Deskpro EP Series of Personal Computers The Compaq Deskpro EP Series Intel 440BX chipset modek 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 Intel 810e Compaq Despro EP Series of Personal Computers 2 1 2 1 System Unit 2 1 1 System Unit 440BX System Unit Spare Parts 440BX Model 2 2 Spare Parts Description 1 Access panel Front bezel complete with subpanel and bezel blanks Feet N OD Oo BR oO oOo Pp System Unit Spare Parts
13. EP Series of Personal Computers Fourth Edition June 2000 First Edition July 1999 Part Number 134011 004 Spare Part Number 143685 001 Compaq Computer Corporation CONTENTS preface About This Guide Symbols and Conventions iessen aE eE E dett hene retener gas eel vii Technician Notes iive tl eterna steele eta vii Locating Additional Documentation oooococcconccconccnonenonnccnonancnncnnonccnnnccnoncc nan nc non cn ran cc nan ccrncnnnnnos Vill chapter 1 Product Description Id Model Overview at aaa 1 2 1 2 System Design eedem e etd eem o be a Ue bees eee es 1 3 1 3 Preinstalled Software ooooooccnnnnonooocnncconnnannnnnnnnconnnnnnnnnnonconnnnnnnnnnnccnnnnnn A a 1 4 1 3 1 Ordering Additional Software sse 1 4 1 4 Computer Features ot bao A a ga oreet er ente ca 1 5 1 4 1 Front Panel Controls and LEDs 440BX oocccnnnnonoconnncccnnnononancnnncccconnonnnoncnoncnonno 1 5 1 4 2 Front Panel Controls and LEDs Intel 810 810e cccnnnncnononcnnncnnnncnnnonanononccos 1 6 1 4 3 Rear Panel Connectors 440BX occcnnnncocoocnnncconnonononononccnonananonnnnnnoconnannnonnnnncnnono 1 7 1 4 4 Rear Panel Connectors Intel 810 8108 ccnnnnooononnnnccnonananananonoccnonanannnononcncoos 1 8 1 45 Drive POSIUODS ii ia 1 9 1 5 Serial Number Location ccccnnnooonconnnononnnnnannnnccconnnnnnnnnnnncnnnnnnnnnnnnncnnnnnnnnnnnnnccnonannnn canoso 1 10 chapter 2 Spare Parts ZU System Unit 2
14. Ib 1 34 in 4 45 in 2 36 in 4 59 oz 400 dpi 10 in sec 32 F to 104 F 4 F to 140 F Exceeds 300 miles Exceeds 1 million operations 10 to 90 noncondensing No soft errors through 10 kV No hard errors through 15 kV specific performance depends on host system Supported Graphics Resolutions ATI RAGE PRO TURBO 1X AGP Resolution 1600 x 1200 85 Hz 1280 x 1024 85 Hz 1152 x 864 85 Hz 1024 x 768 85 Hz 800 x 600 85 Hz 640 x 480 85 Hz Refresh Rate Supported Colors 4 MB SGRAM 65K 16 7M 16 7M 16 7M 16 7M 16 7M 3 3 cm 46 5 cm 16 1 cm 1 4 kg 3 4 cm 11 3 cm 6 0 cm 130g 400 dpi 25 cm sec 0 C to 40 C 20 C to 60 C Exceeds 483 km Exceeds 1 million operations 10 to 90 noncondensing Compaq Deskpro EP Series of Personal Computers 6 9 6 5 2 6 5 3 6 5 4 6 10 ATI RAGE PRO IIC AGP Resolution Refresh Rate 1600 x 1200 75 Hz 1280 x 1024 85 Hz 1152 x 864 85 Hz 1024 x 768 85 Hz 800 x 600 85 Hz 640 x 480 85 Hz NVIDIA RIVA 128 AGP Resolution Refresh Rate 1920 x 1080 72 Hz 1600 x 1200 85 Hz 1280 x 1024 85 Hz 1152 x 864 85 Hz 1024 x 768 85 Hz 800 x 600 85 Hz 640 x 480 85 Hz Matrox MGA G100 AGP Resolution Refresh Rate 1920 x 1200 70 Hz 1920 x 1080 75 Hz 1800 x 1440 65 Hz 1600 x 1200 85 Hz 1280 x 1024 85 Hz 1152 x 864 85 Hz 1024 x 768 85 Hz 800 x 600 85 Hz 640 x 480 85 Hz Specifications Colors Supported 2 MB EDO RAM 256 256 65K 65K 16 7M 16 7M Color
15. Slide the replacement battery into position with the positive side up The battery holder automatically secures the battery in the proper position 7 If you removed expansion boards reinstall them now 8 Replace the computer access panel 9 Reassemble the computer 10 Reconnect the AC power cord and turn on the computer 11 Reset the date and time your passwords and any special system setups using Compaq Computer Setup WARNING This computer contains a lithium ion battery pack There is a risk 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 60 C 140 F 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 preaddressed to a reclamation facility where the metals are recycled Call the telephone number listed for your location in the Contacting Customer Support guide for more information In Europe do not dispose of batteries with general household waste Dispose of or recycle them by using the public collection system or returning them to Compaq your authorized Compaq partners or their agents 4 44 Removal and Replacement Procedures 4 21 Fan Assembly 1 Prepare the computer for disassembly Section 4 2 WARNING Power is continuous
16. be handled with care to avoid damage Apply only the tension required to seat or unseat the cables during insertion or removal from the connector Handle cables by the connector whenever possible In all cases avoid bending twisting or tearing the cables and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced CAUTION When servicing this computer ensure that cables are placed in their proper location during the reassembly process Improper cable placement can damage the computer Compaq Deskpro EP Series of Personal Computers 3 5 3 3 4 Hard Drives m Handle hard drives as delicate precision components avoiding all physical shock and vibration This applies to failed drives as well as replacement spares Use 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 W 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 plastic parts use care 3 6 Removal and Replacement Preliminaries chapter 4 REMOVAL AND REPLACEMENT PROCEDURES This chapter provides general service information for the computer Adherence to the procedures and precautions described in this chapter is esse
17. tti Get ti iii a bn ii 2 2 2 4 1 System Unit 440BX rece eet denied 2 2 2 1 2 System Unit Intel 810 810e sess eene 2 4 2 2 MassStorage Devices eee ene HERE initam pei 2 6 2 3 Cables iato eve A A DER TE En etg 2 8 2 4 Standard and Optional Boards sse nennen eene 2 10 2 5 A e t et ere o tp aes Sevag tees 2 15 2 6 Miscellaneous Hardware Kit esses A R a a nn 2 16 2 7 Miscellaneous Plastics Kat iuo cte re bre cede etr iia 2 17 2 8 Miscellaneous Parts erre eee tddi 2 18 2 9 SHIPPING BOXES is 24 aen ed ot ed er e rie 2 19 2 10 Documentation and Software seserinis re aara e Eee iE Ra iE iaar E aa 2 19 chapter 3 Removal and Replacement Preliminaries 3 1 ROUtINE Catedra dt E EE ad 3 1 3 1 1 Cleaning Safety Prec ttlonS ooien oia a a A Ea aE 3 1 3 1 2 Cleaning the Computer Case i aca tee d ER ita 3 1 3113 Cleaning the Keyboard eee dias 3 2 3 1 4 Cleaning the Monitor secedere e Par ee teer eva 3 2 3 15 Cleaning the Mouse rente ie nutem dde ets 3 2 Contents iii iv 3 2 Electrostatic Discharge Information essere eene 3 3 chapter 4 3 2 17 Generating StatiC eoe tee oe ey e ae qu ome ita 3 3 3 2 2 Preventing Electrostatic Damage to Equipment see 3 3 3 2 3 Personal Grounding Methods and Equipment esee 3 4 3 2 4 Grounding Workstations eese enne rennen nen
18. unit disconnect the power cord from the power source or the unit before beginning disassembly procedures CAUTION Turn off the computer before disconnecting any cables 3 Disconnect the power cord from the electrical outlet and then from the computer 4 Disconnect all peripheral device cables from the computer amp During disassembly label each cable as you remove it noting its position and routing Keep all screws with the components removed 2 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 A 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 For more information refer to Chapter 3 Removal and Replacement Preliminaries 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 Intel 810e Removal and Replacement Procedures 4 3 Feet Installation Eight 8 r
19. 1 3 gt Activating the Drivelocks Shown from the Rear of the Chassis 4 51 Compaq Deskpro EP Series of Personal Computers 7 Rotate the drives 90 degrees then reinstall them into the drive bays Bw 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 A CAUTION The use of unnecessary force may result in damage to the drives 4 52 Removal and Replacement Procedures 8 Reconnect the power signal and audio cables to the drives 9 Remove the subpanel and rotate 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 to a Desktop O 10 Replace the subpanel front bezel and the computer access panel Reassemble the computer Compaq Deskpro EP Series of Personal Computers 4 53 chapter 5 CONNECTORS JUMPERS AND SWITCHES 5 1 System Board 5 1 1 Connectors Jumpers and Switches J1 DIMM 1 sd 02 DIMM 2 END DIMM 3 l CR114 P20 P21 P10 a System Board ae 440BX Three DIMM Board Connectors Jumpers and Switches 440BX Three DIMM Board Item Description Item Description CR114 AUX LED P1 Power Supply Connector E50 CMOS H
20. 37384 001 Not spared 143218 001 2 5 Compaq Despro EP Series of Personal Computers 2 2 Mass Storage Devices Mass Storage Devices 2 6 Spare Parts Mass Storage Devices Description 1 2 1 GB Ultra ATA hard drive 33 5400 3 2 GB Ultra ATA hard drive 33 5400 4 3 GB Ultra ATA hard drive 33 5400 4 3 GB Ultra ATA hard drive 66 5400 5 1 GB Ultra ATA hard drive 33 5400 6 4 GB Ultra ATA hard drive 33 5400 6 4 GB Ultra ATA hard drive 66 5400 10 0 GB Ultra ATA hard drive 33 5400 10 0 GB Ultra ATA hard drive 66 7200 10 0 GB Ultra ATA hard drive 66 5400 13 5 GB Ultra ATA hard drive 66 7200 15 0 GB Ultra ATA hard drive 33 7200 20 0 GB Ultra ATA hard drive 33 7200 22 6 GB Ultra ATA hard drive 33 7200 Diskette drive 3 5 inch 141087 705 1 44 MB 3 mode 1 3 height without bezel includes drive bay adapter 179026 002 24X Max tray load IDE CD ROM drive 32X Max tray load IDE CD ROM drive 40X Max tray load IDE CD ROM drive 52X Max tray load IDE CD ROM drive 60X Max tray load IDE CD ROM drive 8X DVD Drive Not shown nn nnnn hard drive transfer rate MBytes sec RPM The increased speed of the Ultra ATA 66 drive is realized only on the Deskpro EP Intel 800 series Spare Part Number 332861 001 332866 001 327646 001 134197 001 166872 001 166973 001 134198 001 320662 001 135364 001 134193 001 140515 001 120419 001 120420 001 388511 001 179161 001 180
21. 5 63 512 10 0 GB 135364 001 65 5400 66 2 1 10 9 25 0 16383 16 63 512 4 3 GB 6 4 GB 6 4 GB 134197 001 166973 001 134198 001 65 65 65 5400 5400 5400 66 6 33 3 66 6 1 3 lt 1 0 1 3 9 0 lt 9 7 9 0 20 0 18 0 20 0 8912 13328 13328 15 15 15 63 63 63 512 512 512 13 5 GB 140515 001 65 7200 66 6 1 7 8 5 165 0 16383 16 63 1966 Factory installed hard drives are formatted with a 2 GB partition To check the actual size of the hard drive and to create or modify paritions restart the computer then press F10 to enter Setup Storage IDE Specifications CD ROM Drives Applicable Disc Compaq Spare Part Number Disc Diameter Capacity Center Hole Diameter Disc Thickness Track Pitch Laser Beam Divergence Output Power Type Wave Length Access Time Random Full Stroke Audio Output Level Cache Buffer Data Transfer Rate Sustained Burst 24X Max CD ROM mode 1 mode 2 Mixed mode audio and data combined CD DA CDi ready CD XA ready Photo CD single and multi session 166869 001 12 cm 8 cm 540 MB Mode 1 12 cm 650 MB Mode 2 12 cm 180 MB 8 cm 15 mm 1 2 mm 1 6 um 53 5 degrees 1 5 degrees 0 14 mW Semiconductor laser GaAlAs 780 nm 25 nm 85 ms 200 ms 0 7 Vrms typical 128 KB 1500 to 3600 KB sec 4 0 MB sec 32X Max CD ROM model mode 2 Mixed mode audio and data combined CD DA CDi ready CD XA ready Photo CD
22. 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 NNN Removing the Pentium Il Processor from the System Board 440BX 5 For the Celeron processor press down on one retaining clip and pull the processor up just enough to disengage the locking device then press down on the second clip and pull the processor completely out of the socket Y It may be necessary to remove the graphics board before removing this processor 4 34 Removal and Replacement Procedures Removing the Celeron Processor from the System Board 440BX To install a new processor reverse this procedure Before installing a Pentium II processor make sure the release latches are in the locked position This will cause the processor to make 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 by pressing down on the clip s extended tab until it releases from the safety catch 7 Lift the heatsink off the processor 8 Release the original processor from the socket by pulling the handle on the ZIF socket out and upward 9 Lift the processor O out of the socket Removing the Celeron Processor from the System Board Intel
23. 808 001 166869 001 327659 001 400807 001 120696 001 134195 001 134196 001 Ultra ATA 66 hard drives are backwards compatible with Ultra ATA 33 devices however the data transfer rate is reduced to 33MB sec Compaq Despro EP Series of Personal Computers 2 7 2 3 Cables al Cables 2 8 Spare Parts Description Cable Kit includes la Diskette drive cable withouttwist 11 440BX only 166838 001 1b Audio cable 21 288489 002 i IDE hard drive cable 7 440BX only 247116 001 S IDE hard drive CD ROM cable 14 440BX only 242947 001 Cable Kit use on Intel 800 series products includes 2a Diskette drive cable with twist 11 with pull tab center polarization 143218 001 2 IDE Ultra ATA hard drive CD ROM cable 10 with pull tab center polarization 108950 007 Switch mounting bracket 3 ea 166777 001 x Dual LED power cable 1 ea 387727 001 s 40 position data cable 12 5 105876 001 i Diskette drive tape cable with twist no key 34 Opt 356107 001 i RTF card for EP diskette drive cable 157354 001 P Diskette drive cable with twist 11 without pull tab 387795 001 3 Cable IDE CD ROM hard drive 14 inch 80 conductor 4 Power cord AC black US LA Asia Pacific Brazil NIC Remote Wakeup cable Power switch with cable and switch mounting bracket 4408X and 8108 PCA 010697 101 only 3 ea Audio cable 25 Use with Creative Labs SoundBlaster PCI 128
24. COMPAQ Maintenance amp Service Guide Compaq Deskpro EP Series of Personal Computers COMPAQ Guide to Features amp Upgrades Compaq Deskpro EP Series of Personal Computers Notice The information in this guide is subject to change without notice COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL This guide contains information protected by copyright No part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation 2000 Compaq Computer Corporation All rights reserved Printed in the U S A Compaq the Compaq logo and Deskpro Registered U S Patent and Trademark Office PREMIEReSOUND 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 MMxX and Celeron are trademarks of Intel Corporation Product names mentioned herein may be trademarks and or registered trademarks of their respective companies The software described in this guide is furnished under a license agreement or nondisclosure agreement The software may be used or copied only in accordance with the terms of the agreement Maintenance amp Service Guide Compaq Deskpro
25. FFFFh Base Memory All memory above the first 256 MB is non cacheable All PCI memory is non cacheable AGP Window Drives 1 44 MB Diskette Drive Size and Capacity Size in High Density MB Low Density KB Compaq Spare Part Number Light Height Bytes per Sector Sectors per Track High Density Low Density Tracks per Side High Density Low Density Read Write Heads Average Seek Time Mb s Track to Track high low Average high low Latency Average ms 3 5 1 44 720 179161 001 Green One third 1 inch 512 18 9 80 80 2 3 6 94 173 100 Compaq Deskpro EP Series of Personal Computers 6 5 6 2 2 6 6 Ultra ATA Hard Drives 3 2 GB Compaq Spare Part Number 332866 001 Drive Type 65 Revolutions Per Minute RPM 5400 Transfer Rate Interface MBytes sec 33 3 Typical Seek Time including settling Single Track ms lt 1 0 Average ms lt 9 5 Full Stroke ms 20 0 Cylinders Logical 6296 Data Heads Logical 15 Sectors per Track Logical 63 Buffer Size KB 256 10 0 GB Compaq Spare Part Number 320662 001 Drive Type 65 Revolutions Per Minute RPM 5400 Transfer Rate Interface MBytes sec 33 3 Typical Seek Time including settling Single Track ms 1 42 Average ms 9 4 Full Stroke ms 18 6 Cylinders Logical 16383 Data Heads Logical 16 Sectors per Track Logical 63 Buffer Size KB 512 4 3 GB 327646 001 65 5400 33 3 1 3 9 9 19 7 8912 1
26. I 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 board 166874 001 Processor PII 400 100 w heatsink Use on 3 DIMM board 166882 001 Processor PII 450 100 w heatsink 167032 001 Processor PIII 450 100 352772 004 w heatsink 401405 001 122735 001 and thermal compound 243199 002 Use on 010233 101 system board Processor PIII 450 100 352772 004 w heatsink 401405 003 164400 001 keyed heatsink clip 120891 001 and retention mechanism 350767 005 Use on 010546 101 system board Processor PIII 500 100 352772 005 w heatsink 401405 001 116401 001 and thermal compound 243199 002 Use on 010233 101 system board Processor PIII 500 100 352772 005 w heatsink 401405 003 164401 001 keyed heatsink clip 120891 001 and retention mechanism 350767 005 Use on 010546 101 system board Not shown Continued A 2 11 Standard and Optional Boards continued 2 12 Spare Parts Standard and Optional Boards Continued Description Spare Part Number Processor PIII 533 133 137365 003 w heatsink 401405 003 164402 001 keyed heatsink clip 120891 001 spacer 168092 001 retention mechanism 350767 005 Use on 010546 101 system board Processor PIII 550 100 352772 006 w heatsink 401405 001 133840 001 and thermal compound 243199
27. IDE This Maintenance amp Service Guide is a troubleshooting and repair guide that can be used for reference when servicing the Compaq Deskpro EP Series of Personal Computers Only authorized technicians trained by Compaq should attempt to repair this equipment Compaq Computer Corporation reserves the right to make changes to these models without notice Symbols and Conventions The following text and symbols mark special messages throughout this guide A A D WARNING Text set off in this manner indicates that failure to follow directions in the warning could result in bodily harm or loss of life CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of data Text set off in this manner presents commentary sidelights clarifying information or specific 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 wiring board Improper repairs can create a safety hazard Any indications of component replacement or printed wiring board modifications may void any warranty WARNING To reduce the risk of electric shock or dama
28. PEO If a round speaker is used on the computer remove the two screws that secure the speaker to the side of the drive cage Removing the Speaker From the Side of the Drive Cage 4 40 Removal and Replacement Procedures 6 If an oval speaker is used on the computer remove the four screws that secure the speaker O to the rear of the chassis Pw Removing the Speaker From the Rear of the Chassis To install the new speaker reverse the preceding steps Compaq Deskpro EP Series of Personal Computers 4 41 4 20 Lithium Battery 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 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 on the System Board 440BX 4 42 Removal and Replacement Procedures Locating the Battery on the System Board Intel 810 Locating the Battery on the System Board Intel 810e Compaq Deskpro EP Series of Personal Computers 4 43 5 Lift the battery out of the holder Removing the Battery 6
29. S clearing 5 8 SW50 location Intel 810 810e 5 9 CMOS clearing 440BX 5 6 Intel 810 810e 5 9 Computer Features Front Panel Controls and LEDs 440BX 1 5 Front Panel Controls and LEDs Intel 810 1 6 Rear Panel Connectors 440BX 1 7 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 3 2 5 drive positions 1 9 DVD Drive spare part number 2 7 E electrostatic damage preventing 3 3 electrostatic discharge 3 3 Expansion slots 440BX 4 24 Intel 810 and 810e 4 25 F feet removal and replacement 4 3 spare part number 2 3 2 5 front bezel spare part number 2 3 2 5 Front Panel Controls and LEDs 440BX 1 5 Intel 810 810e 1 6 Fujitsu EIDE hard drive jumper settings 5 11 G generating static 3 3 graphics resolution ATI RAGE PRO 1X AGP 6 9 ATI RAGE PRO IIC AGP 6 10 Integrated Intel 3D Graphics 6 11 Matrox MGA G100 AGP 6 10 Matrox Millenium G200 SD AGP 6 11 NVIDIA RIVA 128 AGP 6 10 grounding methods 3 4 workstations 3 4 Index l 1 H hard drive jumper settings 5 10 proper handling 3 6 spa
30. V Audio Board Video cable for P1610W color monitor Not shown Cables Compaq Despro EP Series of Personal Computers Spare Part Number 166879 001 166879 002 278296 001 142766 001 166974 001 166925 001 149806 001 305717 001 2 9 2 4 Standard and Optional Boards Standard and Optional Boards 2 10 Spare Parts Standard and Optional Boards Description Spare Part Number 1a PII System board three DIMM model 440BX 166813 001 PCA 009635 101 1b PII System board two DIMM model 440BX 332857 001 PCA 008312 101 PII PIII System board three DIMM model 440BX 118053 001 PCA 010233 101 Shipped on all PII and PIII units after 2 23 99 1c Intel 810 System Board PCA 010174 101 401963 001 Intel 810e System Board PCA 010546 101 161422 001 Intel 810e System Board PCA 010697 101 187672 001 PII System board three DIMM model 440BX 164483 001 PCA 010582 101 2b Processor Intel Celeron 266 66 w heatsink Use on 2 DIMM board 332858 001 Processor Celeron 300A 66 w heatsink 356136 001 Processor Celeron 333 66 w heatsink 356082 001 Processor Celeron 366 66 w 28K cache heatsink 103253 001 Processor Celeron 400 66 w 128K cache heatsink 402126 001 2c Processor Celeron 466 66 includes heatsink clip and 103747 001 thermal crayon Use on 010174 101 system board Processor Celeron 500 66 w heatsink Use on 010174 101 155379 001 system board Processor PI
31. ackaging around individual microcircuitry These are then multi packaged inside plastic tubes trays or Styrofoam Preventing Electrostatic Damage to Equipment Many electronic components are sensitive to ESD Circuitry design and structure determine the degree of sensitivity The following proper packaging and grounding precautions are necessary to prevent damage to electric components and accessories W To avoid hand contact transport products in static safe containers such as tubes bags or boxes W Protect all electrostatic parts and assemblies with conductive or approved containers or packaging W Keep electrostatic sensitive parts in their containers until they arrive at static free stations Place items on a grounded surface before removing them from their container Always be properly grounded when touching a sensitive component or assembly Avoid contact with pins leads or circuitry Place reusable electrostatic sensitive parts from assemblies in protective packaging or conductive foam Compaq Deskpro EP Series of Personal Computers 3 3 3 2 3 3 2 4 3 2 5 3 4 Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment W Wrist straps are flexible straps with a minimum of one megohm 10 resistance in the ground cords To provide proper ground a strap must be worn snug against bare skin The ground cord must be connected and fit snugly into the b
32. age 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 2 3 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 upward until the connectors pull free from the slot l Removing the Expansion Board 4 26 Removal and Replacement Procedures 4 13 4 Installing 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 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 Cover Compaq Deskpro EP Series of Personal Computers 4 27 5 Hold the board at each end and carefully rock it back and forth while pushing downward until the connectors fit completely and firmly into the expansion slot Installing an Expansion Board 6 S
33. al Boards Continued Description 4 ATI RAGE PRO GRAPHICS 1X ATI RAGE PRO GRAPHICS 2X ATI RAGE PRO GRAPHICS IIC Matrox MGA G100 AGP graphics board Matrox Millenium G200 SD graphics card with 8 MB memory shipped on all PII and PIII units after 2 23 99 Matrox Millenium G200 SD graphics card with 8 MB memory Matrox Millenium G400 graphics card with 16 MB memory 33 6k Modem 56k Modem NVIDIA Graphics ATI Graphics memory upgrade 2 MB for use on 166871 001 ATI Graphics memory upgrade 4 MB for use on 166970 001 ESS 1869 ISA Audio Board 440BX Use on speaker 166507 001 Creative Labs SoundBlaster PCI 128V Audio Board with Compaq PREMIERe SOUND 440BX Shipped on 440BX units with Windows 98 or Windows NT 4 0 and PIII 650 100 and 700 100 starting 11 15 99 PIII 500 MHz and greater starting 11 17 99 Compaq 10 100 TX PCI Intel WOL UTP w Remote Wakeup cable 3 COM PCI 10 100 WOL Compaq PREMIERe SOUND board for use with speaker 167029 001 Not shown Spare Part Number 166871 001 166970 001 332865 001 328011 001 402125 001 167033 001 400437 001 294912 001 292269 003 166982 001 166971 001 166972 001 332859 001 167984 001 323553 001 179167 001 356081 001 2 5 Keyboards Keyboards Description Arabic Belgian Brazilian BHCSY Bosnia Herzegovina Croatia Slovenia and Yugoslavia Czech Danish Finnish French French Canadian German Greek Hungarian It
34. alian Japanese Korean Hanguel International Latin American Spanish Norwegian Polish Portuguese Russian Slovakian Spanish Swedish Swiss Taiwanese Thai Turkish UK US Not shown Compaq Despro EP Series of Personal Computers Spare Part Number 269513 171 269513 181 269513 201 269513 B41 269513 221 269513 081 269513 351 269513 051 269513 121 269513 041 269513 151 269513 211 269513 061 269513 191 269513 AD1 269513 B31 166984 161 269513 091 269513 241 269513 131 269513 251 269513 231 269513 071 269513 101 269513 111 269513 AB1 269513 281 269513 141 269513 031 166984 001 2 15 2 6 Miscellaneous Hardware Kit d o Ty 0 1 a Ms j 0 1 Miscellaneous Hardware Kit Miscellaneous Hardware Description Spare Part Number Miscellaneous hardware kit Includes 166877 001 1 Cover slot 5 ea 101144 001 2a I O Panel for 440BX 166802 002 2b O Panel for Intel 810 810e 123556 001 V O Panel for Intel 810e PCA 010697 101 166808 002 Fan guard 105427 003 Screw 6 32 pan head x 1 4 inch 4 ea 192308 001 Thumbscrew 2 ea 440BX 197436 001 Thumbscrew 2 ea Intel 810 810e 124702 001 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 cover inserted in 7th slot Gasket 304477 037 for use o
35. anana plug connector on the grounding mat or workstation W Heel straps Toe straps Boot straps can be used at standing workstations and are compatible with most types of shoes or boots On conductive floors or dissipative floor mats use them on both feet with a minimum of one megohm 10 resistance between the operator and ground Static Shielding Protection Levels Method Voltage Antistatic plastic 1 500 Carbon loaded plastic 7 500 Metallized laminate 15 000 Grounding Workstations To prevent static damage at the workstation use the following precautions W 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 workstations W Turn off power and input signals before inserting and removing connectors or test equipment W Use fixtures made of static safe materials when fixtures must directly contact dissipative surfaces W Keep work area free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam W Use field service tools such as cutters screwdrivers and vacuums that are conductive Recommended Materials and Equipment Materials and equipment that are recommended for use in preventi
36. and will automatically reconfigure the computer If you installed a third party hard drive or one that is not a plug and play device you must run Computer Setup to reconfigure the computer Compaq Deskpro EP Series of Personal Computers 4 17 4 11 3 Removing an External 3 5 Inch Drive If you are installing a second 3 5 inch diskette drive into 5 25 inch bays 1 or 2 for the first time you must use a special adapter bracket spare part number 243230 002 If you are installing a 3 5 inch diskette drive into 5 25 inch bay 3 you must use a special adapter bracket spare part number 2166923 001 If installing a second ATA hard drive on the primary controller you must use an 80 conductor 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 greater stability 3 Remove the access panel Section 4 6 4 Remove the front bezel Section 4 7 Q The primary diskette drive is always installed in drive bay 3 5 If this is a desktop push down on drivelock to release the drives if a minitower press drivelock O ap i Releasing the Drives 4 18 Removal and Replacement Proce
37. cting the Cables 6 Press the drivelock mechanism to unlock the hard drives Drivelock secures the external drives in the desktop configuration drivelock secures all drives in the minitower configuration and the internal drives in the desktop configuration gt 1 Unlocking the Drives 4 14 Removal and Replacement Procedures 7 While holding the drivelock in the unlocked position remove the drive from the drive bay Removing an Internal 3 5 Inch Hard Drive 8 Remove the four guide screws from the drive 9 Install two guide screws on each side of the replacement drive Bw Metric screws M3 have a black finish while U S screws have a silver finish Replace the 3 5 inch drive by reversing the above procedure 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 damage the internal components of the drive Y When installing a second ATA hard drive on the primary controller you must use an 80 conductor ATA cable for optimal performance The system automatically recognizes hard drives sold by Compaq or any other plug and play hard drive and will automatically reconfigure the computer If you installed a third party hard drive or one that is not a plug and play device you must run Computer Setup to r
38. d air may be used to clean debris from under the keys Caution should be used as too much air pressure can dislodge lubricants applied under the wide keys W If you remove a key use a specially designed key puller to prevent damage to the keys This tool is available through many electronic supply outlets CAUTION Never remove a wide leveled key like the space bar from the keyboard If these keys are improperly removed or installed the keyboard may not function properly W 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 Cleaning the Monitor W Wipe the monitor screen with a clean cloth moistened with water or with a towlette designed for cleaning monitors Do not use sprays or aerosols directly on the screen the liquid may seep into the housing and damage a component Never use solvents or flammable liquids on the monitor W To clean the monitor body follow the procedures in Section 3 1 2 Cleaning the Mouse Before cleaning the mouse ensure that the power to the computer is turned off W Clean the mouse ball by first removing the retaining plate and the ball from the housing Pull out any debris from the ball socket and wipe the ball with a clean dry cloth before reassembly E To clean the mouse body follow the procedur
39. dures 6 While the drivelock is held in the unlatched position remove the drive from the drive bay Removing a 3 5 inch Drive and Drive Adapter from a 5 25 inch External Drive Bay 7 Remove the bracket brace O from the top of the drive adapter by squeezing inward on both sides then rotating the brace up and out 8 Remove the drive bezel O 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 side of the drive Removing a 3 5 inch Drive from the 5 25 inch Drive Adapter Compaq Deskpro EP Series of Personal Computers 4 19 To replace the drive reverse the previous procedures Q The primary 3 5 inch diskette drive should only be installed into bay 3 Bay 3 is the bottom bay in the minitower and the topmost bay in the desktop 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 2 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 damage the internal components of the drive 4 20 Remo
40. e Compaq Deskpro EP Series of Personal Computers 1 5 1 4 2 Front Panel Controls and LEDs Intel 810 810e Front Panel Controls and LEDs Intel 810 810e Ref Component Function Ref Component Function o Power On Light e CD ROM Drive Busy Indicator e Diskette Drive Activity Light o Headphone Volume Control e Diskette Eject Button e Stereo Headphone Jack 4 Serial Number Dual State Power Button CD ROM Eject Button Drive Activity Light CD ROM models only Flashes when an ATAPI device such as the hard drive is active 1 6 Product Description 1 4 3 Rear Panel Connectors 440BX R 0 e o e 16 Rear Panel Connectors 440BX ef Component Power Cord Connector Voltage Select Switch switches voltage between 115V and 230V to match geographical requirements 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 Keyboard Connector Mouse Connector Parallel Port Connector Component O Serial Connectors 2 3 Monitor Connector Headphone Connector O Line Out Audio Connector 11 Line In Audio Connector e Microphone Connector Audio features are available on select models only Compaq Deskpro EP Series of Personal Computers 1 7 1 4 4 Rear Panel Connectors Intel 810 810e Rear Panel Connectors Intel 810 810e Re
41. e internal 3 5 inch drives for proper placement within the chassis Installing a Drive in the Minitower Configuration A CAUTION The use of unnecessary force may result in damage to the drives Compaq Deskpro EP Series of Personal Computers 4 49 7 Reconnect the power signal and audio cables to the drives 8 Remove the subpanel and rotate the bezel blanks 90 degrees Section 4 9 ZA 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 O to a Minitower Configuration 9 Replace the subpanel front bezel and the computer access panel 10 Reassemble the computer 4 50 Removal and Replacement Procedures 4 24 Converting a Minitower to a Desktop 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove the front bezel Section 4 7 Disconnect all power and data cables from the drives in the 5 25 inch drive bays Qv oU E D O Remove the drives from the 5 25 inch drive bays by pressing drivelock Sections 4 11 2 and 4 1
42. e or device 1 secondary drive The system board determines which drive is device O or device 1 based on the way the drives are connected to the special drive cable The device O drive is the drive connected to the short segment of the drive cable or the connector closest to the system board the device 1 drive is the drive connected to the long segment of the drive cable or farthest from the system board Drive installation requires no jumper setting changes on the existing or optional drives All Compaq drives have the jumpers preset for cable select installation BQ If installing a second device on the primary controller you must use an 80 conductor Ultra ATA cable for optimal performance This cable is available as a Compaq option For more information about Compaq hard drives refer to the Deskpro Service Reference Guide Connectors Jumpers and Switches 5 2 2 Drive Jumper Settings If you are installing a drive with a signal cable that does not support cable select you must manually set the drive jumpers Jumper settings for a number of different drives are shown in the tables that follow The illustrations 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 2468 1357 Seagate Fujitsu and Western Digital Ultra ATA Hard Drive Jumper Settings Seagate Fujitsu and Western Digital Ultra ATA Hard Drive Jumper Se
43. e screws installed on each side of the drive ensures its proper alignment within the drive bay Extra guide screws are provided in the front of the chassis The desktop model of this computer may be converted to a minitower configuration See Chapter 4 Removal and Replacement Procedures for additional information and instructions Compaq Deskpro EP Series of Personal Computers 1 3 1 3 1 1 4 Preinstalled Software This computer ships with Windows 95 Windows 98 or Windows NT 4 0 installed as the operating system and also contains the following preloaded software ROM based Setup utilities Compaq Diagnostics for Windows Compaq support software and device drivers Online Safety amp Comfort Guide English only Intelligent Manageability Power Management with Energy Saver features Security Management Remote Management Tools Microsoft Internet Explorer Ordering Additional Software If you plan to run any of the following operating systems on the computer you must install the corresponding Compaq device drivers and utilities before attempting to use the computer IBM OS 2 E NetWare W Microsoft Windows NT Workstation 3 51 or 4 0 mA version of Microsoft Windows 95 that is different from the one included with the computer To order copies of suitable device drivers and utilities W Order the Support Software CD for Compaq Desktop Products This compact disc contains the latest device drivers utilities and flas
44. e the hood Turn the computer on Run the Computer Setup utility to reconfigure the system When CMOS is cleared both the power on password and the setup password become invalid because both are stored in the configuration memory You will need to reset the passwords Connectors Jumpers and Switches Clearing Configuration Memory CMOS Intel 810 810e O ogg Beer E mn gt LLCLLLCA TELITI 8 O ILLELEDA CMOS Button SW50 Location 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 A WARNING To reduce the risk of personal injury from electrical shock and or hot surfaces be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching A CAUTION When the computer is plugged in the power supply always has voltage applied to the system board even when the unit is turned off Failure to disconnect the power cord can result in damage to the system A 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 amp Regulatory Information guide for more information 3 Remove the computer cover or access
45. eader 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 Slot Slot 1 Processor Connector J23 PCI Dual Expansion Slot combo SW1 Processor Speed and Feature Switch J40 AGP Video Graphics Slot Compaq Despro EP Series of Personal Computers 5 1 J1 DIMM 1 J2 DIMM 2 a 3 ri Ej B sil l ip T P21 P10 System Board Waar pen Two DIMM Boara Connectors Jumpers and Switches 440BX Two DIMM Board ltem Description Item Description CR114 AUX LED J40 AGP Video Graphics Slot E50 CMOS Header P1 Power Supply Connector J1 DIMM 1 Expansion Slot P5 Power Switch and LED Connector J2 DIMM 2 Expansion Slot P8 Chassis Fan Connector J10 ISA Expansion Slot P9 Wake on LAN Header J11 ISA Expansion Slot P10 Diskette Drive Connector J12 PCI ISA Dual Expansion Slot combo P20 IDE Connector primary J20 PCI Expansion Slot P21 IDE Connector secondary J21 PCI Expansion Slot Slot1 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 Cl
46. ear Password J7J1 Power Supply Connector J4C1 PCI Expansion Slot 1 J8F1 Power Switch and LED Connector J4B1 PCI Expansion Slot 2 J6K1 Chassis Fan J4A1 PCI Expansion Slot 3 J2D5 Audio In Header J4A2 PCI Dual Expansion Slot combo J9F2 IDE Connector primary J4D1 AGP Expansion Slot J9F1 IDE Connector secondary J10F1 Diskette Drive Connector J9G3 Wake on LAN Header Not shown 5 2 Connectors Jumpers and Switches J11 J24 J22 J20 J10 J23 J21 P6 P8 P7 E49 P12 P5 P20 P10 CR114 P9 SW50 System Board Overview Intel 810 Two DIMM Board P7 P9 P12 P5 P20 P10 P21 E49 SW50 System Board Overview Intel 810e Two DIMM Board Connectors Jumpers and Switches Intel 810 810e Two DIMM Board Item Description ltem Description CR114 AUX LED P1 Power Supply Connector E49 Clear Password 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 Expansion Slot 4 XU1 Processor Connector J24 PCI Dual Expansion Slot 5 combo SW50 CMOS Button Compaq Despro EP Series of Personal Computers 5 3 5 1 2 5 4 Switches a n a AAA pswois LJ Lac ON ON Disabled Frequency ON
47. econfigure the computer Compaq Deskpro EP Series of Personal Computers 4 15 4 11 2 Removing an External 5 25 Inch Drive 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove the front bezel Section 4 7 we q I SES If this is a desktop push down on drivelock O to release the drive if a minitower press drivelock T Releasing the Drives 4 16 Removal and Replacement Procedures 6 While the drivelock is held in the unlatched position remove the drive from the drivebay 7 Remove the four guide screws from the drive O Removing an External 5 25 inch Drive To install a new drive 1 Install two guide screws on each side of the replacement drive O 2 Ensure that the guide screws line up with the guide slots 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
48. ecure the board to the chassis with the retaining screw 7 Attach any cables that came with the board D 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 4 28 Removal and Replacement Procedures 4 14 Board Guide 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove any full length expansion boards Section 4 13 3 Push down on the two tabs on the top of the board guide Qv we ode US 9 While holding the tabs down remove the guide from the chassis Removing the Board Guide To replace the board guide reverse the above procedures Compaq Deskpro EP Series of Personal Computers 4 29 4 15 4 15 1 4 15 2 4 30 System Memory 440BX The 440BX comes with at least 16 megabytes of synchronous dynamic random access memory SDRAM dual inline memory modules DIMMs upgradeable to 256 or 384 MB The memory sockets on the system board can be populated with 16 32 64 or 128 MB DIMMs Self refresh DIMMs are required on mod
49. els with three DIMM sockets For proper system operation the DIMMs must be industry standard 168 pin 66 MHz or faster unbuffered SDRAM DIMMs If your system processor has a bus speed of 66 MHz Compaq recommends that any additional DIMMs also be 66 MHz If the system bus speed is 100 MHz the use of 100 MHz DIMMs is required Run Compaq Computer Setup to determine your system bus speed see the Software Reference Guide for instructions The SDRAM DIMMs must support CAS Latency 2 or 3 CL 2 or CL 3 They must also contain the mandatory Joint Electronic Device Engineering Council JEDEC Serial Presence Detect SPD information DIMMs constructed with x4 SDRAM are not supported the system will not start using unsupported DIMMs Intel 810 810e The Intel 810 comes with at least 32 MB of SDRAM DIMMs and the Intel 810e comes with at least 64 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 100 MHz unbuffered PC100 compliant SDRAM DIMMs depending on the model The SDRAM DIMMs must support CAS Latency 2 or 3 CL 2 or CL 3 They must also contain the mandatory Joint Electronic Dev
50. ending 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 screw provided 4 Cover the screw with the flat portion of the security bracket 5 Install a padlock not provided to secure the top part of the security bracket and inhibit access to the inside of the computer Install a cable lock not provided to inhibit access to the interior of the computer and secure the computer to a fixed object p Installing the Cable Lock Provision 440BX Compaq Deskpro EP Series of Personal Computers 4 5 Installing the Cable Lock Provision Intel 810 810e To remove the cable lock provision reverse the above procedure 4 6 Removal and Replacement Procedures 4 6 Access Panel 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 greater stability 3 Remove 440BX or loosen Intel 810 810e the two screws that secure the acce
51. es in Section 3 1 2 Removal and Replacement Preliminaries 3 2 3 2 1 3 2 2 Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static sensitive devices or microcircuitry Often the spark is neither felt nor heard but damage occurs An electronic device exposed to electrostatic discharge ESD may not be affected at all and can work perfectly throughout a normal cycle The device may function normally for a while then degrade in the internal layers reducing its life expectancy Networks built into many integrated circuits provide some protection but in many cases the discharge contains enough power to alter device parameters or melt silicon junctions Generating Static The following table shows that different activities generate different amounts of static electricity and that static electricity increases as humidity decreases Y 700 volts can degrade a product Relative Humidity Event 10 40 55 Walking across carpet 35 000 V 15 000 V 7 500 V Walking across vinyl floor 12 000 V 5 000 V 3 000 V Motions of bench worker 6 000 V 800 V 400 V Removing 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 p
52. everse the above procedure 4 32 Removal and Replacement Procedures 4 16 2 Graphics Memory Upgrade 440BX Y It is not necessary to remove the graphics board to install the memory upgrade module 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 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 O then pivot the module until it latches into position 6 A iy Installing the Memory Module 5 Replace the access panel 6 Reassemble the computer 7 Customize the monitor display through the Control Panel Compaq Deskpro EP Series of Personal Computers 4 33 4 17 Processor Components 4 17 1 Processor 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 greater stability 3 Remove the access panel Section 4
53. f Component Ref Component 0 Power Cord Connector Headphone Connector e Voltage Select Switch switches Line Out Audio Connector voltage between 115V and 230V to match geographical requirements Universal Serial Bus USB O Serial Number Connectors 2 connects the computer to any USB peripheral while the computer is operating is a fully functional plug and play connector o Serial Connectors 11 Line In Audio Connector e Keyboard Connector e Microphone Connector O Mouse Connector e Parallel Port Connector O Monitor Connector Keyboard and mouse ports are interchangeable 1 8 Product Description 1 4 5 Drive Positions Drive Positions Reference Drive Ba Configuration 0 0 1 2 Two standard 5 25 inch half height bays for optional drives e 3 One standard 3 5 inch 1 44 MB diskette drive mounted with a drive adapter into a 5 25 inch bay 0 0 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 S 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 Compaq Deskpro EP Series of Personal Computers 1 9 1 5 Serial Number Location The serial number and model information label is located on the access panel of the unit A second barcode label is located on the rear of the unit Serial Number Locations For the purpose of
54. g the unit on its side 3 rotating the drives and bezel blanks 90 degrees then 4 reinserting the drives into the drive bays Y 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 Intel 810e Product Description 1 2 System Design Detailed descriptions of the system components are presented in the sections that follow Desktop models of the Compaq Deskpro EP Series of Personal Computers use an innovative chassis to house the removable system board expansion boards power supply and mass storage devices Internal components are accessible when the access panel is removed The front bezel is a multi part assembly that attaches to the chassis with release latches Attached to the back of the front bezel is a subpanel that holds the bezel blanks The system board may be removed from the chassis after the access panel 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 Guid
55. ge to the equipment e Donot disable the power grounding plug The grounding plug is an important safety feature e Plug the power cord into a grounded earthed electrical outlet that is easily accessible at all times Disconnect the power from the computer by unplugging the power cord either from the electrical outlet or the computer CAUTION The computer is designed to be electrically grounded To ensure proper operation plug the AC power cord into a properly grounded AC outlet only Compaq Deskpro EP Series of Personal Computers vii Locating Additional Documentation 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 Viii About This Guide chapter y PRODUCT DESCRIPTION This chapter describes the model offerings and features of Compaq Deskpro EP Series of Personal Computers 4 COMPAQ DESKPRO AO IPAQ ston Compaq Deskpro EP Series of Personal Computers Compaq Deskpro EP Series of Personal Computers 1 1 1 1 1 2 Model Overview Compaq Deskpro EP Series of Personal Computers ship as either desktop or minitower models They contain the unique flexible Compaq ATX chassis which allows you to easily reconfigure the unit as a minitower by 1 removing the drives from the computer 2 standin
56. hable ROM images needed to run MS DOS Windows 3 1 Windows 95 Windows NT Workstation 3 51 IBM OS 2 and NetWare on the Compaq commercial desktop product m Download the software from the Compaq World Wide Web site www compaq com W Purchase backup diskettes The Support Software CD can be purchased in either of two ways W A single CD ROM that gives one time access to the latest support software North America only W A yearly subscription that delivers up to 12 monthly CD ROMs The annual subscription provides continuous access to the latest developments Y When calling Compaq to place an order be sure to have the serial number of the computer available This number is necessary for all purchases Product Description 1 4 Computer Features Compaq Deskpro EP Series of Personal Computers ship with a mouse and keyboard Some models are also equipped with a CD ROM drive A Compaq color monitor or other compatible monitor does not ship with the computer 1 4 1 Front Panel Controls and LEDs 440BX COMPAQ DESKPRO Front Panel Controls and LEDs 440BX Ref Component Function Ref Component Function o Power On Light 6 CD ROM Volume Control e Diskette Drive Activity Light o CD ROM Headphone Jack e Diskette Eject Button e Dual State Power Button 4 CD ROM Eject Button Drive Activity Light CD ROM Activity Light CD ROM models only Flashes when an ATAPI device such as the hard drive is activ
57. hot surfaces allow the internal system components to cool before touching A WARNING Be sure to turn off the computer before changing a jumper setting or damage to the system board can result Compaq Despro EP Series of Personal Computers 5 5 5 6 Disabling or Clearing the Power On and Setup Passwords 440BX 1 3 Turn off the computer and any external devices and disconnect the power cord from the power outlet Set SW1 position 1 to the ON position Turn on the computer and allow the operating system to start This clears the current passwords and disables the password features To re enable the password features turn off the computer and set SW1 position 1 to the OFF position Turn on the computer and establish new passwords Clearing Configuration Memory CMOS 440BX The computer s configuration memory CMOS may occasionally be corrupted When this occurs it is usually due to software or hardware that is not functioning 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 Disconnect the keyboard monitor and any other external equipment connected to the computer 3 Remove the computer access panel Locate jumper E50 5 Remove the jumper from pins 1 and 2 place it o
58. ice Engineering Council JEDEC Serial Presence Detect SPD information DIMMs constructed with x4 SDRAM are not supported the system will not start using unsupported DIMMs 83 The Intel 810 does not support 66 MHz memory A CAUTION The DIMM sockets have gold metal contacts When upgrading memory it Is important to use DIMMs with gold metal contacts not tin lead to prevent corrosion and or oxidation resulting from having incompatible metals in contact with each other 2 CAUTION Static electricity can damage the electronic components of the computer or optional boards Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object A CAUTION When handling a memory module be careful not to touch any of the contacts Doing so can damage the module Removal and Replacement Procedures To install a memory module complete the following steps 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 greater stability 3 Remove the access panel Section 4 6 4 Press outward on both latches 9 of the DIMM socket The latches are used to secure the DIMM in position and also to eject the
59. imum 6 60 in 17 65 in 17 11 in 17 65 in 6 60 in 17 11 in 26 Ib 90 132 VAC 110 120 VAC 47 63 Hz 40A 380 BTU Hr 760 BTU Hr 90 132 VAC 110 120 VAC 47 63 Hz 5 5 A 525 BTU Hr 1 050 BTU Hr 90 132 VAC 110 120 VAC 47 63 Hz 40A 380 BTU Hr 760 BTU Hr 16 76 cm 44 83 cm 43 46 cm 44 83 cm 16 76 cm 43 46 cm 12 kg 180 264 VAC 200 240 VAC 47 63 Hz 2 0A 1 60 kg cal min 3 19 kg cal min 180 264 VAC 200 240 VAC 47 63 Hz 3 0A 2 21 kg cal min 4 41 kg cal min 180 264 VAC 200 240 VAC 47 63 Hz 2 0A 0 96 kg cal min 1 91 kg cal min Continued Compaq Deskpro EP Series of Personal Computers System Specifications continued Power Supply 200 Watt Intel 810 810e Operating Voltage Range 90 132 VAC 180 264 VAC Rated Voltage Range 100 127 VAC 200 240 VAC Rated Line Frequency 47 63 Hz 47 63 Hz Rated input current maximum 6A 3A Heat dissipation nominal 525 BTU Hr 2 21 kg cal min Heat dissipation maximum 1050 BTU Hr 4 41 kg cal min Environmental Requirements Temperature Operating 50 to 95 F 10 to 35 C Shipping 4 to 140 F 20 to 60 C Humidity noncondensing Operating 20 to 80 20 to 80 Nonoperating 10 to 90 10 to 90 Maximum Altitude unpressurized Operating 10 000 ft 3048 m Nonoperating 30 000 ft 9144 m 6 1 2 Interrupts Hardware IRQ System Function IRQ O Timer Interrupt Not on ISA Bus IRQ 1 Keyboard Not on ISA Bus IRQ 2 Interrupt Controller Cascade Not on ISA Bus
60. ing the Cable Select Feature with Ultra ATA Devices s 5 10 9 22 Drive Jumper Set ngs eene Rer tr eg ete tete ers 5 11 chapter 6 Specifications OL Specia ons roe e dette etae tree ende eie edt e NEU voee da dt e 6 1 ELI Systemen E A a 6 1 6 1 2 O A NAT 6 2 6 13 DMA aia 6 3 E NO A NA 6 3 6 1 Memory Mapa tere ip Re pi 6 5 02 DAVE deis 6 5 6 2 1 1 44 MB Diskette Drive sesiis eiea Ei Ena a Dias o K iT Si 6 5 6 2 2 Ultra ATA Hard Drives nere rete ener ped eon 6 6 62 3 IA e eee Ina E ret nene ere eae eee ends 6 7 6 3 Compaq Enhanced Keyboard 4 ttp e erede 6 9 6 4 2 Button MOUSE nda dd 6 9 6 5 Supported Graphics Resolutions essere eene 6 9 6 5 1 ATI RAGE PRO TURBO 1X AGP oooooonnncccnocnconncnonanonnncnonancnnnnnonancnnnoroncncanccnnnoss 6 9 03 2 ANTE RAGE PRO IC AGED irn eet cts er eva veta bietet 6 10 6 5 3 NVIDIA RIVA 128 AGP eee ipee ere entes sorteo dedere eee ena eed esa 6 10 6 5 4 Matrox MGA G100 AGP essen nennen enemies nnntnnnn enn 6 10 6 5 5 Matrox Millenium G200 SD AGP eese nnne nnne 6 11 6 5 6 Matrox Millenium G400 SG AGP sees 6 11 6 5 7 Integrated Intel 3D Graphics sesesseeeeeeeeeeen ene eene 6 11 6 6 Audio Cofitrollets eie t rre ph rs e eer d E edt sua ERE EE OE SE ERS Te 6 12 chapter 7 Service Notes sse tete tenente rtt nitentes 7 1 Contents v preface ABOUT THIS GU
61. ion 4 6 Remove all expansion boards Section 4 13 3 Disconnect any cables that are attached to the system board noting their location for reinstallation Remove the DIMMs optional Section 4 15 Remove the AGP graphics board Section 4 16 1 Remove the processor Section 4 17 1 Remove the six retaining screws that secure the system board to the chassis Slide the board about 1 2 inch towards the front of the chassis to disengage the I O panel then lift it up and out of the chassis re 7 i eee Removing the System Board To install a new system board reverse the above procedures When installing the system board insert the screw 69 nearest the power supply to properly align the board in the chassis 93 The system board is not spared with the processor board guide rails installed Remove the guide rails from the existing board and install them on the new system board Compaq Deskpro EP Series of Personal Computers 4 39 4 19 Internal Speaker 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Disconnect the speaker cable from the audio board O Ux
62. kpro EP Series of Personal Computers 6 3 1 0 Continued I O Address Hex System Function Shipping Configuration OFA Unused OFB 483 PGL Configuration Unlock OFC OFF Unused 100 12F Unused 130 131 Unused 132 16F Unused 170 177 Reserved 15C 15D Super I O Index Data Register 178 1EF Unused 1FO 1F7 Fixed Disk Controller 1F8 1FF Unused 200 Unused 201 Unused 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 2FO 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 3BO 3BB MDA EGA VGA 3BC 3BF Reserved Parallel Port 3C0 3DF EGA VGA 3E0 3E7 Unused 3E8 3EF Reserved Serial Port 3FO 3F7 Diskette Controller 3F8 3FF Serial Port Primary 6 4 Specifications 6 1 5 6 2 6 2 1 Memory Map Size Memory Address System Function 256 KB FFFCOOOOh to FFFFFFFFh System ROM 3839 MB 10000000h to FFFBFFFFh PCI Memory Expansion 255 MB 00100000h to OFFFFFFFh HOST or PCI Memory Expansion 128KB 000E0000h to OOOFFFFFh System ROM 96 KB 000C8000h to 000DFFFFh ISA PCI option ROMs 32 KB 000C0000h to 000C7FFFh Video ROM 128 KB 000A0000h to OOOBFFFFh Video RAM 640 KB 00000000h to 0009
63. lanks to remove them from the subpanel Removing the Subpanel and Bezel Blanks CAUTION When replacing the subpanel ensure that the aligning pins and any remaining bezel blanks are in the proper orientation to prevent damage to the alignment pins S The subpanel has markings on it to facilitate installation 4 10 Removal and Replacement Procedures 4 10 Power Switch CAUTION The power switch should not be removed from the switch holder Doing so may damage the switch components 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove the front bezel Section 4 7 Disconnect the power LED cable from the system board O Qv Ue de e B Push the release tab toward the drive bays then remove the power switch assembly from the chassis Disconnecting the Power Switch To install the new power switch reverse the above procedure pushing the switch assembly until it snaps into place The power LED connector is keyed to ensure proper installation Compaq Deskpro EP Series of Personal Computers 4 11 4 11 4 12 Mass Storage Devices The Compaq Deskpro EP Series of Personal Co
64. located on the access panel directly above the speaker and on the bottom of the slot cover closest to the speaker 5 With added LED support for more accurate field debugging an LED Error Code Table label has been added to the inside hood of the machine 6 If the PC contains what appears to be a fan intake exhaust mounting area on the chassis such as the long option card support do not install a fan in this area 7 A Creative Labs SoundBlaster PCI 128V Audio Board with Compaq PremiereSound spare part number 167984 001 and audio cable spare part number 149806 001 will be shipped on 440BX units with Windows 98 or Windows NT 4 0 and e PIII 650 100 and 700 100 starting 11 15 99 e PII 500 MHz and greater starting 11 17 99 Compaq Deskpro EP Series of Personal Computers 7 1 A access panel spare part number 440BX 2 3 spare part number Intel 810 810e 2 5 audio controller specifications 440BX 6 12 Intel 810 6 13 B battery proper disposal 4 44 Battery locating on system board 4 42 bezels spare part number 2 3 2 5 boxes shipping 2 19 C cable select feature 4 13 5 10 5 11 cables 3 5 service considerations 3 5 spare part numbers 2 9 CD ROM spare part number 2 7 specifications 6 7 chassis basepan spare part number 440BX 2 3 spare part number Intel 810 810e 2 5 cleaning computer case 3 1 keyboard 3 2 monitor 3 2 mouse 3 2 precautions 3 1 clearing CMOS 5 8 Index CMO
65. m 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 ensuring that the module is fully inserted and properly seated with the latches pushed in Installing a DIMM Module 5 Repeat step 4 for any additional modules that you want to install 6 Reassemble the computer 7 Turn on the computer D When a memory module has been removed moved or added Memory Change Alerts a feature of Intelligent Manageability alerts the system administrator and end user The system automatically recognizes the added memory Compaq Deskpro EP Series of Personal Computers 4 31 4 16 AGP Graphics Board 440BX 4 16 1 AGP Graphics Board Removal 440BX 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 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 graphics board r
66. mputers support up to five drives in various configurations COMPAQ DESKPRO Drive Bay Locations Drive Positions Reference Drive Ba Configuration 00 1 2 Two standard 5 25 inch half height bays for optional drives e 3 One standard 3 5 inch 1 44 MB diskette drive mounted with a drive adapter into a 5 25 inch bay 00 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 YQ Drive bay numbers are stamped on the chassis To verify the type and size of the mass storage devices installed in the computer run Computer Setup Removal and Replacement Procedures When installing additional drives follow these guidelines W For optimal performance connect hard drives to the primary controller Connect expansion devices such as CD ROM IDE tape and diskette drives to the secondary controller You may install either a third height or a half height drive into a half height bay You must install guide screws to ensure that the drive lines up correctly in the drive cage Compaq has provided extra guide screws which are installed in the front of the computer chassis behind the front bezel Some options require metric hardware Compaq supplied metric screws are black Using the Cable Select Feature with Ultra ATA Devices Optional drives are available from Compaq in kits that include a special drive cable The configuration of the drives em
67. n Intel 810 access panel 137384 001 e lle o og ey s a Not shown 2 16 Spare Parts 2 7 Miscellaneous Plastics Kit 9 Miscellaneous Plastics Kit Miscellaneous Plastics Kit Desktop and Minitower Description Spare Part Number Miscellaneous plastics kit includes 166878 001 1 Diskette bezel 166776 001 2 Foot rubber 4 ea 166939 002 Processor retainer for PII and Celeron processor 350767 001 Bezel blank 2 ea 166775 001 Panel sub 166835 001 Button power 166774 001 Spring power button 166837 001 9 Drivelock DT 166779 001 10 Drivelock MT 166780 001 11 Springs drivelock 2 ea 166837 002 12 Board guide 166778 001 ojl NISJA Not shown Compaq Despro EP Series of Personal Computers 2 17 2 8 2 18 Miscellaneous Parts 5a 5b Miscellaneous Parts Miscellaneous Parts Two button mouse Compag Intellimouse Cable lock bracket Battery 440BX Battery Intel 810 for use on system board 401963 001 166861 001 317863 001 199109 001 234556 001 153099 001 Fan assembly with four plastic pins for use on Pentium Il units 166922 001 450 100 and above and all Pentium III units 450 100 and above Chassis fan cover Speaker with screws 50mm x 90mm 5 watt 440BX for use on audio board 356081 001 Speaker with screws 2 5 5 watt 440BX for use on audio board 332859 001 Speaker 40mm x 70mm Intel 810 356080 002 Speaker 40mm x 70mm
68. n pins 2 and 3 for approximately 30 6 7 8 seconds then return it to pins 1 and 2 Replace the computer access panel Reconnect the external equipment Plug in the computer and turn on power When the CMOS jumper is removed all passwords become invalid because the passwords are stored in the configuration memory You must reset the passwords and any special system setups Another method of clearing CMOS is to use the F10 Setup feature Connectors Jumpers and Switches 5 1 4 Jumpers Intel 810 810e E49 Jumper Location When you change a security feature you must reset the appropriate jumper on the system board then reconfigure the computer to recognize this change If the system configuration is 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 SN To change the system board jumpers you must remove the system access panel For assembly and disassembly procedures refer to Chapter 4 s CAUTION To reduce the risk of personal injury from hot surfaces allow the internal system components to cool before touching A WARNING Be sure to turn off the computer before changing a jumper setting or damage to the system board can result Compaq Despro EP Series of Personal Computers 5 7 5 8 Disabling or Clearing the Power On and Setup Passwords Intel 810 810e 1
69. ne 3 4 3 2 5 Recommended Materials and Equipment esee 3 4 3 3 Service Considerations os ertet is 3 5 3 3 1 Tools and Software Requirements essen 3 5 IZ SCIENS nete eie ed a aca ea ei 3 5 3 3 3 Cables and Connectors niet et ete e e epe e 3 5 3 34 Hard DEVeS eec abeat tette Ratt 3 6 3 3 3 Plastic Parts eee e ee t n een 3 6 Removal and Replacement Procedures 4 1 Disassembly Sequence Chart eese a nenne nnne nennen inen 4 1 4 2 Disassembly Pre par att OM ive s ueteri erret etre ere etr ene erue espe diia eue eg Pues 4 2 4 3 Feet Installation oem Eee ette 4 3 AAs E0 6P ate tite Hore e o ER HEU ete d ehe Se te ict ventes 4 4 4 5 Cable Locke scenes eS EMI dL equ 4 5 4 6 Access Panel ier eret e e e eren 4 7 4 7 Front BEZEL sz eaae coi eH ie eite 4 8 4 8 Power Bulli o Ra Re ia 4 0 4 9 Subpanel and Bezel Blanks eese ener rennen 4 10 4 10 Power Witt teer er tente e ere eremo eure eres in 4 11 4 11 Mass Storage Devices lies 4 12 4 11 1 Removing an Internal 3 5 Inch Hard Drive eee 4 14 4 11 2 Removing an External 5 25 Inch Drive sese 4 16 4 11 3 Removing an External 3 5 Inch Drive eene 4 18 4 12 Removing the Dnvelocks eee e geste eit i t een 4 21 4 13 Expansion Boards e eedem n ESO e ee 4 24 4 13 1 440BX cnin IRURE DR Ret estu e 4 24 4 13 2 Intel 810 and 8106 ap re e et etr tes 4
70. ng static electricity include Antistatic tape Antistatic smocks aprons or sleeve protectors Conductive bins and other assembly or soldering aids Conductive foam Conductive tabletop workstations with ground cord of one megohm 10 resistance Removal and Replacement Preliminaries 3 3 3 3 1 3 3 2 3 3 3 Static dissipative table or floor mats with hard tie to ground Field service kits Static awareness labels Wrist straps and footwear straps providing one megohm 10 resistance Material handling packages Conductive plastic bags Conductive plastic tubes Conductive tote boxes Opaque shielding bags Transparent metallized shielding bags Transparent shielding tubes Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer Tools and Software Requirements W Compaq screwdriver with 8 bits spare part number 161946 001 W Diagnostics software Screws The screws used in the computer are not interchangeable They 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 Cables and Connectors Most cables used throughout the unit are flat flexible cables These cables must
71. ntial for proper service 4 1 After completing all necessary removal and replacement procedures run the Diagnostics utility to verify that all components operate properly Disassembly Sequence Chart Use the chart below to determine the disassembly sequence for removing components from the computer Computer Feet Logo Plate Cable Lock Access Panel 4 7 Front Bezel 4 8 Power Button 4 9 4 10 4 13 3 Removing 4 14 Board Guide 4 15 System Memor 4 17 1 Processor Internal Speaker Lithium Battery Fan Assembly Power Supply 4 16 1 AGP Graphics Board Removal 4 16 2 AGP Graphics Memory Upgrade 4 17 2 Processor Guide Rails 4 18 System Board Subpanel and Bezel Blanks 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 an Expansion Board Converting a Desktop to a Minitower Converting a Minitower to a Desktop Compaq Deskpro EP Series of Personal Computers 4 1 4 2 4 2 Disassembly Preparation Before adding any internal options or performing a removal replacement 1 Remove any diskette compact disc or tape from the computer 2 Turn off the computer and any peripheral devices that are connected to it AN WARNING Power is continuous to the system board and power supply even when the power switch is turned off To prevent damage to the
72. o 15 000 Hz 70 dB 10 k ohms 800 ohms 8 16 bit mono stereo 8 16 bit mono stereo 16 bit mono stereo Compaq Deskpro EP Series of Personal Computers 6 13 chapter 7 SERVICE NOTES CAUTION Use safety glasses equipped with side shields before attempting to clean debris from under the keys 1 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 settings on the system board 2 Compaq Deskpro EP CTO units are shipped with Compaq PC Diagnostics 10 27D preinstalled This version fails to recognize the 22 6 GB Ultra ATA hard drive and fails the drive test when the 22 6 GB hard drive is installed To correct the problem download and install Compaq PC Diagnostics 10 28A or later from the Compaq Web site at http www compaq com The problem appears only when running Diagnostics and does not affect the performance of the unit 3 After February 23 1999 all Deskpro EP units with the Intel Pentium II and Pentium 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
73. ocedures Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove the front bezel Section 4 7 Mu gk te 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 Button To replace the power button reverse the above procedure Compaq Deskpro EP Series of Personal Computers 4 9 4 9 Subpanel and Bezel Blanks The subpanel and bezel blanks must be removed from the front bezel if you are installing a mass storage device for the first time or if you are converting the unit from a desktop to a minitower configuration or from a minitower to a desktop configuration 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 Prepare the computer for disassembly Section 4 2 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove the front bezel Section 4 7 E pu um 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 subpanel within the front bezel 6 Gently push on the bezel b
74. panel 4 Locate and press the Clear CMOS button Hold for five seconds CAUTION Pushing the CMOS button will erase all information in CMOS including passwords asset numbers and special settings 5 Replace the computer cover or access panel 6 Reconnect the external devices 7 Plug in the computer and turn on power Y You will need to reset your passwords and any special system setups Refer to F10 Setup to establish new passwords Compaq Despro EP Series of Personal Computers 5 9 5 2 5 2 1 5 10 Hard Drives The computer supports up to five drives in various configurations When installing additional drives follow these guidelines W For optimal performance connect hard drives to the primary controller Connect expansion devices such as CD ROM IDE tape and diskette drives to the secondary controller You may install either a third height or a half height drive into a half height bay You must install guide screws to ensure the drive will line up correctly in the drive cage Compaq has provided extra guide screws installed in the front of the computer chassis behind the front bezel Some options use metric hardware Compaq supplied metric screws are black Using the Cable Select Feature with Ultra ATA Devices 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 O primary driv
75. ploys a cable select feature that identifies the drives as device O 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 the drive cable or that connector closest to the system board the device 1 drive is the drive connected to the long segment of the drive cable Drive installation requires no jumper setting changes on the existing or optional drives All Compaq drives have the jumpers preset for cable select installation BQ If installing a second device on the primary controller you must use an 80 conductor Ultra ATA cable for optimal performance This cable is available as a Compaq option Compaq Deskpro EP Series of Personal Computers 4 13 4 11 1 Removing an Internal 3 5 Inch Hard Drive 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove the front bezel Section 4 7 who de IO i Disconnect the power 6 and data cables from the back of the hard drive P es lt lt N zum Disconne
76. rd Total Harmonic Distortion Noise Digital Playback Digital Record Frequency Response 3 dB cutoffs Line Level 48 kHz Speaker Crosstalk dB Line Output Impedance nominal Microphone In Line Out Data Types PCM A Law u Law Specifications 440BX ESS 1869 ISA 16 bit full duplex audio with Compaq PremiereSound 4 kHz to 48 kHz adjustable 0 050 1 0 1 0 81 dB 77 dB 65 dB 65 dB 20 Hz to 20 000 Hz 200 Hz to 15 000 Hz 63 dB 100 k ohms 5 k ohms 8 16 bit mono stereo 8 16 bit mono stereo 16 bit mono stereo 440BX Creative Labs SoundBlaster 128V PCI with Compaq PremiereSound 48 kHz 0 1 2 0 2 35 89 dB 87 dB 80 dB 82 dB 20 Hz to 20 000 Hz 200 Hz to 15 000 Hz 92 dB 10 Kohms 10 Kohms 8 16 bit mono stereo 8 16 bit mono stereo 8 16 bit mono stereo Sampling rate Full Scale Input Voltage rms Microphone In Line Input Full Scale Output Voltage rms Line Output Dynamic Range DR Digital Playback Digital Record Total Harmonic Distortion Noise Digital Playback Digital Record Frequency Response 3 dB cutoffs Line Level 48 kHz Speaker Crosstalk dB Line Output Impedance nominal Microphone In Line Out Data Types PCM A Law u Law Intel 810 810e Integrated AC 97 audio with Compaq PremiereSound 7 kHz to 48 kHz adjustable 0 100 2 15 1 40 91 dB 87 dB 68 dB 77 dB 20 Hz to 20 000 Hz 200 Hz t
77. re part number 2 7 I VO specifications 6 3 INSPECT utility 1 9 4 12 interrupts specifications 6 2 J jumper location 440BX 2 DIMM board 5 2 440BX 3 DIMM board 5 1 E49 Intel 810 810e 5 7 E50 440BX 5 5 Intel 810 810e 2 DIMM board 5 3 K keyboard spare part numbers 2 15 specifications 6 9 L logo spare part number 2 3 2 5 M major differences between 440BX and 810 810e 2 3 mass storage devices spare part numbers 2 7 materials static preventing 3 4 Maxtor EIDE hard drive settings 5 12 memory map specifications 6 5 miscellaneous hardware spare parts 2 16 2 17 1 2 Index models 1 2 monitor cleaning 3 2 mouse cleaning 3 2 spare part number 2 18 specifications 6 9 O operating system ordering device drivers 1 4 P passwords disabling or clearing 440BX 5 6 disabling or clearing Intel 810 810e 5 8 plastic parts service 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 5 11 serial number need for service call 1 4 serial number location desktop 1 10 service con
78. rtical drivelock from the chassis then lift 1t up and out of the system while at the same time rotating the drivelock slightly to clear the travel slots at the bottom of the drivelock 11 Remove the spring from the post see inset y 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 onto the drive cage until 1t snaps into place Reinstalling the Drivelocks Compaq Deskpro EP Series of Personal Computers 4 23 4 13 Expansion Boards 4 13 1 440BX Deskpro EP Expansion Slots 440BX 3 DIMM Model ISA expansion slots ISA PCI shared expansion slots PCI expansion slots eoce AGP graphics slot 4 24 Removal and Replacement Procedures 4 13 2 Intel 810 and 810e Deskpro EP Expansion Slots Intel 810e O SA expansion slot O SA ISA shared expansion slots PCI expansion slots Y Your 810e system board may differ from the one shown Compaq Deskpro EP Series of Personal Computers 4 25 4 13 3 Removing an Expansion Board 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 dam
79. s Supported 4 MB SGRAM 256 65K 65K 16M 16M 16M 16M Colors Supported 4 MB SGRAM 256 256 256 65K 16 7M 16 7M 16 7M 16 7M 16 7M 6 5 5 6 5 6 6 5 7 Matrox Millenium G200 SD AGP Resolution 1920 x 1200 1920 x 1200 1920 x 1080 1920 x 1080 1800 x 1440 1800 x 1440 1600 x 1200 1600 x 1200 1280 x 1024 1152 x 864 1024 x 768 800 x 600 640 x 480 Refresh Rate 76 Hz 65 Hz 80 Hz 70 Hz 70 Hz 60 Hz 85 Hz 75 Hz 85 Hz 85 Hz 85 Hz 85 Hz 85 Hz Colors Supported 8 MB SDRAM 65K 16 7M 65K 16 7M 65K 16 7M 65K 16 7M 16 7M 16 7M 16 7M 16 7M 16 7M Matrox Millenium G400 SG AGP Resolution 2048 x 1536 1920 x 1440 1920 x 1080 1800 x 1440 1600 x 1200 1280 x 1024 1152 x 864 1024 x 768 800 x 600 640 x 480 Refresh Rate 65 Hz 75 Hz 85 Hz 85 Hz 85 Hz 85 Hz 85 Hz 85 Hz 85 Hz 85 Hz Colors Supported 16 MB SGRAM 16 7M 16 7M 16 7M 16 7M 16 7M 16 7M 16 7M 16 7M 16 7M 16 7M Integrated Intel 3D Graphics Resolution 1600 x 1200 1280 x 1024 1152 x 864 1024 x 768 800 x 600 640 x 480 Refresh Rate 85 Hz 85 Hz 85 Hz 85 Hz 85 Hz 85 Hz Colors Supported 4 BM SDRAM 256 16 7M 16 7M 16 7M 16 7M 16 7M Compaq Deskpro EP Series of Personal Computers 6 11 6 6 6 12 Audio Controllers Sampling rate Full Scale Input Voltage rms Microphone In Line Input Full Scale Output Voltage rms Line Output Dynamic Range DR Digital Playback Digital Reco
80. siderations 3 5 shipping boxes spare part numbers 2 19 software preloaded 1 4 spare part number battery 2 18 documentation 2 19 fan 2 18 mounting brackets 2 18 speakers 2 18 specifications CD ROM 6 7 Compaq enhanced keyboard 6 9 diskette drive 6 5 DMA 6 3 I O 6 3 interrupts 6 2 memory map 6 5 mouse 6 9 system 6 1 Ultra ATA hard drive 6 6 standard and optional boards spare parts 2 11 static generating 3 3 shielding protection levels 3 4 switch location 440BX 2 DIMM board 5 2 440BX 3 DIMM board 5 1 Intel 810 810e 2 DIMM board 5 3 SW1 440BX 5 4 switch settings SW1 440BX 5 4 system design 1 3 specifications 6 1 system board 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 Index l 3 181099 001 134011 004
81. ss 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 Access Panel Intel 810 810e To replace the access panel reverse the previous steps Compaq Deskpro EP Series of Personal Computers 4 7 4 7 Front Bezel 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Press the two release tabs O at the top of the front bezel Ah des 9 OB Rotate the front bezel away from the chassis to remove it from the unit Removing the Front Bezel SN When replacing the front bezel ensure that the bottom hinge points are properly placed in the chassis before rotating the front bezel back into its original position 4 8 Removal and Replacement Procedures 4 8 Power Button 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 pr
82. the keyboard mouse or air vents Disconnect the keyboard before cleaning 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 clear water Em For stubborn stains use isopropyl rubbing alcohol No rinsing is needed as the alcohol will evaporate quickly and not leave a residue After cleaning always wipe the unit with a clean lint free cloth Occasionally clean the air vents on the computer Lint and other foreign matter can block the vents and limit the airflow Compaq Deskpro EP Series of Personal Computers 3 1 3 1 3 3 1 4 3 1 5 3 2 Cleaning the Keyboard Follow all safety precautions in Section 3 1 1 before cleaning the keyboard To clean the tops of the keys or the keyboard body follow the procedures described in Section 3 1 2 When cleaning debris from under the keys review all rules in Section 3 1 1 before following these procedures CAUTION Use safety glasses equipped with side shields before attempting to clean debris from under the keys W Visible debris underneath or between the keys may be removed by vacuuming or shaking W Canned pressurize
83. 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 the fan power cable O from the system board Remove the 4 screws O that secure the fan to the chassis Remove the fan from the chassis O OY qe ape Uo ES Pull on the two push pins that secure the fan grill to remove it from the fan Removing the Fan To install the fan assembly reverse the above procedure amp Use the fan on Pentium II units 450 100 and above and on Pentium III units 450 100 and above Compaq Deskpro EP Series of Personal Computers 4 45 4 22 Power Supply 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 greater stability 3 Remove the access panel Section 4 6 4 Disconnect all power cables from the mass storage devices and the system board Q Power connectors are keyed for correct installation Note the orientation of each cable connector and the routing of the cables to facilitate reassembly 5
84. ts Intel 810 810e Model 2 4 Spare Parts Description System Unit Spare Parts Intel 810 810e Spare Part Number 1 Access panel includes gasket Front bezel complete with subpanel and bezel blanks Power supply 200W Logo Kit Deskpro EP 1 ea DT and MT Feet 2 3 Power supply 145W only used with PCA 010697 101 4 5 137384 001 166868 001 103748 001 166924 001 Miscellaneous Plastics 6 Chassis basepan repair exchange only Not Shown Not spared Major Differences Between 440BX and Intel 810 810e System Board Assembly 440BX PII two DIMM model 332857 001 PCA 008312 101 Power Supply 145 Watt 332863 001 Power Supply 200 Watt 166814 001 Access Panel 166867 001 Chassis Assembly 166880 001 Diskette Drive Cable 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 332863 001 X908XXXXXXXX or later 166814 001 166867 001 166880 001 166838 001 440BX PIII three DIMM model 164483 001 PCA 010582 101 332863 001 166814 001 166867 001 166880 001 166838 001 Intel 810 Celeron 401963 001 PCA 010174 101 n a 103748 001 137384 001 Not spared 143218 001 Intel 810e Celeron 164122 001 PCA 010546 101 n a 103748 001 1
85. ttings 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 3 5 5 6 Secondary no connection 3 5 3 4 Cable Select 5 to 6 2 4 and 3 5 1 2 Limit capacity to 2 1 GB 1to2 Compaq Despro EP Series of Personal Computers 5 11 Maxtor Ultra ATA Hard Drive Jumper Settings 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 4092 Cylinder Limitation disabled O enabled c Factory Reserved O Factory Reserved O J jumper O no jumper default setting 5 12 Connectors Jumpers and Switches chapter 6 SPECIFICATIONS 6 1 Specifications 6 1 1 System Desktop Dimensions Height Width Depth Minitower Dimensions Height Width Length Weight approximate depending on configuration Power Supply 145 Watt 440BX Operating Voltage Range Rated Voltage Range Rated Line Frequency Rated input current maximum Heat dissipation nominal Heat dissipation maximum Power Supply 200 Watt 440BX Operating Voltage Range Rated Voltage Range Rated Line Frequency Rated input current maximum Heat dissipation nominal Heat dissipation maximum Power Supply 145 Watt Intel 810e Operating Voltage Range Rated Voltage Range Rated Line Frequency Rated input current maximum Heat dissipation nominal Heat dissipation max
86. ubber feet are mounted to the chassis as shown below No 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 Compaq Deskpro EP Series of Personal Computers 4 3 4 4 Logo Plate Grasp the open side of the logo plate left side if a desktop bottom if a minitower and pull outward To install a new logo plate align the guide pins in the slots O 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 4 4 Removal and Replacement Procedures 4 5 Cable Lock WARNING To avoid injury use care in handling the separated pieces of the cable lock bracket metal edges may be sharp Be sure to install the bracket so that sharp edges do not extend from the edges of the computer chassis Depending on the model the computer includes a cable lock provision which consists of a three piece security bracket The bottom part of the bracket is attached to the computer with a screw the top part of the bracket covers the screw and prevents its removal 1 Separate the pieces of the security bracket by b
87. val and Replacement Procedures 4 12 Removing the Drivelocks The computer chassis contains two drivelock mechanisms Drivelock secures the external drives in the desktop configuration drivelock secures all drives in the minitower and the internal drives in the desktop configuration e 1 Drivelock Mechanism Compaq Deskpro EP Series of Personal Computers 4 21 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 Lay the computer down on its large base for greater stability Remove the access panel Section 4 6 Remove the front bezel Section 4 7 Remove all of the drives from the computer Sections 4 11 1 4 11 2 and 4 11 3 Ov Ur e e de 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 A CAUTION The spring contained under the drivelock mechanism may pop out unexpectedly 8 Remove the drivelock from the drive cage 9 Remove the spring from the drivelock see inset Removing the Drivelock Mechanism 4 22 Removal and Replacement Procedures 10 Press in on the tabs to release the ve

Compaq EP Series User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents