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6-4

Compaq Professional Workstation SP750 Maintenance and Service Guide

Table 6-3

System Direct Memory Access (DMA)

Hardware DMA

System Function

DMA 0

Business Audio (default; alternate = DMA0, none)

DMA 1

Business Audio (default; alternate = DMA0, DMA3, none)

DMA 2

Diskette drive

DMA 3

ECP parallel port LPT1 (default; alternate = DMA 0)

DMA 4

DMA controller cascading

DMA 5

Unused

DMA 6

Unused

DMA 7

Unused

Table 6-4

System I/O

I/O Address (Hex)

System Function (Shipping Configuration)

000 - 00F

DMA controller # 1

010 - 01F

Unused

020 - 021

Interrupt controller # 1

02E - 02F

Super I/O index/data registers

040 - 043

Counter/timer

044 - 04D

Unused

04E - 04F

Super I/O index/data register alternate

050 - 05F

Unused

060

Keyboard controller

061

Port B

062 - 063

Unused

064

Keyboard controller

065 - 06F

Unused

070 - 071

NMI enable/real-time clock

072 - 077

CMOS storage

072 - 07F

Unused

080 - 08F

DMA page registers

090 - 091

Unused

continued

Summary of Contents for Compaq SP750

Page 1: ... number 158722 003 Spare part number 164414 001 The complete MSG follows these addenda These addenda contain changes to the original document 2000 Compaq Computer Corporation All rights reserved Compaq is registered in the U S Patent and Trademark Office Product names mentioned herein may be trademarks and or registered trademarks of their ...

Page 2: ... Matrox G200 MMS 171975 001 nVIDIA TNT2 PRO 16 MB SDRAM 179997 001 ELSA Gloria II AGP 64 MB 174641 001 Graphics Adapter DVI i to VGA 202997 001 Hard Drives 20 GB 7200 RPM Hard Drive 180475 001 30 GB 7200 RPM Hard Drive Quiet Drive 180477 001 36 2 GB Wide Ultra 160 SCSI Hard Drive 180337 001 Other Drives 48X CD ROM 187263 001 32X R W CD ROM 173747 001 LS 120 SuperDisk 209938 001 10X40X DVD ROM 1614...

Page 3: ...ontroller Supported Resolutions Without Multisampling bits per pixel Aspect Ratio 96 128 160 192 4 x 3 1824x1368 65 Hz 1600x1200 75 Hz 1824x1368 65 Hz 1600x1200 75 Hz 5 x 4 1280x1024 85 Hz 1280x1024 85 Hz 1280x1024 85 Hz 1280x1024 85 Hz 16 x 9 2048x1152 70 Hz 1920x1080 75 Hz 2048x1152 70 Hz 1920x1080 75 Hz 16 x 10 1920x1200 70 Hz 1824x1128 75 Hz 1920x1200 70 Hz 1824x1128 75 Hz 5 x 4 Frame Sequenti...

Page 4: ...2048 x 1152 75 Hz 16 x 10 1920 x 1200 75 Hz 1920 x 1200 75 Hz 1920 x 1200 75 Hz 1920 x 1200 75 Hz 5 x 4 Frame Sequential Stereo 1280 x 1024 60 Hz 1280 x 1024 60 Hz 1280 x 1024 60 Hz 1280 x 1024 60 Hz 4 x 3 Frame Sequential Stereo 128 0x 960 60 Hz 1280 x 960 60 Hz 1280 x 960 60 Hz 1280 x 960 60 Hz Supported Resolutions with Multisampling Aspect Ratio 128 bits per pixel 192 bits per pixel 4 x 3 1600...

Page 5: ... Hz 75 Hz 60 MB 58 Mb 54 MB 52 MB 52 MB 49 MB 48 MB 45 MB 45 MB 41 MB 40 MB 40 MB 39 MB 39 MB 37 MB 37 MB 27 MB Refresh rate may function but may not be officially supported by Compaq Matrox G200 Quad MMS Graphics Controller Refresh Rate Display Graphics Memory Aspect Ratio Resolution Vertical Horizontal 32 MB 4 3 5 4 640 x 480 800 x 600 1024 x 768 1152 x 864 1280 x 1024 1600 x 1200 1800 x 1440 60...

Page 6: ...Compaq Professional Workstation SP750 Maintenance and Service Guide ...

Page 7: ...Professional Workstation SP750 Maintenance and Service Guide First Edition January 2000 Part Number 158722 001 Spare Part Number 164414 001 Compaq Computer Corporation ...

Page 8: ...ed in the U S A 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 Compaq Deskpro Fastart Compaq Insight Manager Systempro Systempro LT ProLiant ROMPaq QVision NetFlex QuickFind PaqFax and ProSignia registered United States Patent and Trademark Office NeoServer ...

Page 9: ...ar Panel Connectors 1 4 Drive Positions 1 5 Serial Number Location 1 7 Chapter 2 Spare Parts System Unit 2 2 Mechanical Components 2 2 System Components 2 3 Memory 2 5 Mass Storage Devices 2 7 Cable Kits 2 9 Graphic Controllers 2 10 Network Controllers 2 12 Input Output Devices 2 13 Software and Miscellaneous 2 14 Documentation 2 14 Chapter 3 Removal and Replacement Preliminaries Preliminaries 3 1...

Page 10: ...e Requirements 3 6 Screws 3 7 Cables and Connectors 3 7 Hard Drives 3 7 Lithium Coin Cell Battery 3 7 Chapter 4 Removal and Replacement Procedures Service Preparations 4 2 Cable Lock 4 3 Workstation Feet 4 4 Side Access Panel 4 5 Front Bezel 4 6 Blank Drive Bezel 4 7 EMI Cooling Shield 4 8 Power Supply Air Baffle 4 9 Mass Storage Devices 4 10 Drive Positions 4 10 Hardware Screws 4 12 CD ROM Drive ...

Page 11: ... Speaker 4 45 Card Guide 4 47 System Fan 4 49 Processor Cage 4 50 System Board 4 51 Lithium Battery 4 54 Power Switch and LED Cable Assembly 4 56 Power Supply 4 58 Chapter 5 Connectors Jumpers and Switches Overview 5 1 Disable and Clear Password Jumper 5 2 CMOS Reset Switch 5 3 Mass Storage 5 5 9 1 GB Ultra3 SCSI Hard Drive 5 5 18 GB Ultra3 SCSI Hard Drive 5 6 CD ROM or DVD ROM Drive 5 7 Zip Drive...

Page 12: ...s 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 information IMPORTANT Text set off in this manner presents clarifying information or specific instructions NOTE Text set off in this manner presents commentary sidelights or inte...

Page 13: ...t is easily accessible at all times CAUTION To properly ventilate your system you must provide at least 12 inches 30 5 cm of clearance at the front and back of 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 Where to Go for Additional Help In addition to this guide the following info...

Page 14: ...ter 1 Product Description Front Panel Components and LEDs This chapter describes the front and rear panel components drive positions and serial number locations for the Compaq Professional Workstation SP750 ...

Page 15: ...1 2 Compaq Professional Workstation SP750 Maintenance and Service Guide Figure 1 1 Identifying front panel components ...

Page 16: ...ated properly Blinking green Workstation is in Standby mode 2 Power button Turns the workstation on or off 3 Hard drive activity LED When lit indicates the workstation is reading or writing data to the hard drive s 4 Network activity LED When lit indicates the workstation is receiving or sending data on the network 5 Bay 4 5 25 inch half height drive bay CD ROM drive or DVD ROM drive 6 Bay 5 5 25 ...

Page 17: ... of each connector Figure 1 2 Identifying rear panel connectors Table 1 2 Rear Panel Components Item Component Item Component 1 Power cord connector 8 Serial connector B 2 Ultra3 SCSI connector 9 Mouse connector 3 Keyboard connector Serial connector A 4 USB connectors 2 RJ 45 connector 5 Audio line out connector Audio line in connector 6 Headphone jack Microphone jack 7 Parallel connector VGA AGP ...

Page 18: ...roduct Description 1 5 Drive Positions Your workstation supports up to seven individual drive bays See Table 1 3 for a description of the drive bay components Figure 1 3 Identifying drive bay components ...

Page 19: ... removable hard drive cage A 3 5 inch third height bay that supports a 1 0 inch hard drive Bay 2 is not available when a 1 6 inch hard drive is installed in either bay 1 or bay 3 3 Bay 3 Part of the removable hard drive cage A 3 5 inch third height bay that supports a 1 0 inch hard drive or a 1 6 inch hard drive 4 Bay 4 5 25 inch half height bay that supports 1 0 inch or 1 6 inch storage devices E...

Page 20: ...ial number is also embedded in the Electrically Erasable Programmable Read Only Memory EEPROM on the system board If the system board is replaced with a spare part from Compaq an invalid serial number condition will be reported during the Power On Self Tests POST To clear the condition re enter the original serial number through Computer Setup NOTE If a system board from another workstation is ins...

Page 21: ...Chapter 2 Spare Parts This chapter illustrates and classifies parts for the Compaq Professional Workstation SP750 A reference for spare parts also is provided ...

Page 22: ...System Unit Mechanical Components Figure 2 1 Mechanical components for the Compaq Professional Workstation SP750 Table 2 1 Mechanical Components Spare Parts List Item Description Spare Part Number 1 Workstation access panel 329263 001 2 Chassis N A 3 Front bezel 338549 001 ...

Page 23: ...Spare Parts 2 3 System Components Figure 2 2 System components for the Compaq Professional Workstation SP750 ...

Page 24: ...ower switch and LEDs with cable includes power cord 161670 001 5 Battery 153099 001 6 90 mm fan 166922 001 7 Premier Sound desktop 5 watt speaker 158267 001 8 Intel Pentium III Xeon Processor 733 MHz with a 133 MHz front side bus 163362 001 9 80 mm fan 158365 001 Compaq Professional Workstation SP750 Base Unit w Pentium III Xeon 667 Hz processor 158282 001 q Compaq Professional Workstation SP750 B...

Page 25: ...Spare Parts 2 5 Memory Figure 2 3 Memory components for the Compaq Professional Workstation SP750 ...

Page 26: ...ECC Direct Rambus Inline Memory Modules RIMM 800 MHz 157108 001 5 128 MB ECC Direct Rambus Inline Memory Modules RIMM 600 MHz 158264 001 6 128 MB ECC Direct Rambus Inline Memory Modules RIMM 800 MHz 157112 001 7 256 MB ECC Direct Rambus Inline Memory Modules RIMM 600 MHz 161453 001 8 256 MB ECC Direct Rambus Inline Memory Modules RIMM 600 MHz 164539 001 9 256 MB ECC Direct Rambus Inline Memory Mod...

Page 27: ...Spare Parts 2 7 Mass Storage Devices Figure 2 4 Mass storage devices for the Compaq Professional Workstation SP750 ...

Page 28: ...1624 001 9 10 GB Ultra ATA 66 hard drive 7 200 rpm no cable 135364 001 10 GB Ultra ATA 66 hard drive 7 200 rpm with cable 135364 001 q 13 5 GB Ultra ATA 66 hard drive 7 200 rpm with cable 140515 001 w 20 GB Ultra ATA hard drive 7 200 rpm with cable 157403 001 e 9 GB WU2 SCSI hard drive 7 200 rpm 179288 001 r 18 GB WU2 SCSI hard drive 7 200 rpm 144577 001 t 18 GB WU3 SCSI hard drive 10 000 rpm 1600...

Page 29: ...50 Table 2 5 Cable Kits Spare Parts List Item Description Spare Part 1 Miscellaneous cable kit 327649 001 2 Ultra2 SCSI five device cable 402222 001 3 SCSI LVD twisted pair cable 164412 001 4 Dual serial port cable 164536 001 Note Parts or components marked with an asterisk are not illustrated ...

Page 30: ...2 10 Compaq Professional Workstation SP750 Maintenance and Service Guide Graphic Controllers Figure 2 6 Graphic controllers for the Compaq Professional Workstation SP750 ...

Page 31: ...Storm 600 enh 3D 122926 001 3 3Dlabs Oxygen GVX1 AGP 146141 001 4 Matrox G400 Dual AGP dual display analog output 400437 001 5 ELSA Synergy II 32 MB 4X AGP entry 3D 146140 001 6 3Dlabs Oxygen GVX1 PCI mid 3D 159629 001 7 ELSA Synergy II 32 MB NLX AGP 146535 001 Matrox G400 16 MB NLX AGP 400438 001 Note Parts or components marked with an asterisk are not illustrated ...

Page 32: ...P STP Controller 268010 001 2 Compaq NC3121 Fast Ethernet NIC PCI 10 100 Wake on LAN 323556 001 3 Compaq NC3120 Fast Ethernet NIC PCI 10 100 317606 001 4 Compaq NC3123 Fast Ethernet NIC PCI 10 100 Wake on LAN 174831 001 5 3COM 10 100 3C905C TX NIC RSA 118042 001 6 Intel PRO 100 Management Adapter 116188 001 7 Intel PRO 100 Management Adapter AoL 116188 001 8 ESS 1869 Audio Card 356081 001 9 56K Fa...

Page 33: ...16 001 3 Labtec Spaceball 4000 3D motion control input device optional 118029 001 Monitors 4 P75 monitor 307806 XXX 5 P1610 color monitor Beach 305708 XXX 6 P1610 color monitor Opal 325500 XXX 7 P110 monitor 325600 XXX 8 V1000 color monitor 351756 XXX 9 V900 color monitor 303500 XXX V700 color monitor 325800 XXX Note Parts or components marked with an asterisk are not illustrated ...

Page 34: ...aneous 2 Shipping box with buns U S 166990 001 3 Shipping box with buns International 166990 002 Note Parts or components marked with an asterisk are not illustrated Documentation Table 2 10 Documentation Spare Parts List Item Description Spare Part 1 Maintenance and Service Guide 164414 001 2 Illustrated Parts Map 164413 001 3 Service Quick Reference Guide revision 040 162212 001 Note Parts or co...

Page 35: ... damage 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 norm...

Page 36: ...cuitry These are then multi packaged inside plastic tubes trays or Styrofoam NOTE 700 volts can degrade a product 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 accessorie...

Page 37: ...tection 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 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 st...

Page 38: ...d footwear straps providing one megohm 10 percent resistance Material handling packages Conductive plastic bags Conductive plastic tubes Conductive tote boxes Opaque shielding bags Transparent metallized shielding bags Transparent shielding tubes General Cleaning Safety Precautions Never use solvents or flammable solutions to clean the computer Never immerse any parts in water or cleaning solution...

Page 39: ...follow the procedures described in the Cleaning the Computer Case section in this chapter When cleaning debris from under the keys review all rules in section in the General Cleaning Safety Precautions in this chapter before following these procedures CAUTION Use safety glasses equipped with side shields before attempting to clean debris from under the keys Visible debris underneath or between the...

Page 40: ...ction in this chapter Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer Power Supply Fan The power supply fan is a variable speed fan based on the temperature in the power supply CAUTION The cooling fan is off only when the computer is turned off or the power cable has been disconnected The cooling fa...

Page 41: ... 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 Hard Drives 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 ...

Page 42: ...subassembly module level removal and replacement procedures for the Compaq Professional Workstation SP750 After completing all necessary removal and replacement procedures run the Compaq Setup and Diagnostics program to verify that all components are operating properly ...

Page 43: ...d See Chapter 3 Removal and Replacement Preliminaries for more information Before beginning any of the removal and replacement procedures complete the following steps 1 Turn off the workstation 2 Disconnect the power cord from the grounded AC outlet and then from the workstation 3 Turn off all peripheral devices and disconnect their cables from the rear of the workstation 4 Remove the cable lock i...

Page 44: ...k and or cable lock If installed the locks must be removed before accessing internal components To remove the lock 1 Unlock and remove the cable lock or the padlock 2 Remove the security bracket plate seated over the cable lock bracket 3 Unfasten the retaining screw to release the cable lock bracket Figure 4 1 Removing the padlock ...

Page 45: ...the workstation feet 1 Perform the steps in the Service Preparations section in this chapter then place the workstation on its side CAUTION Before removing the side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the screws that secure the feet 3 Remove the wo...

Page 46: ... removing the side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Loosen the four rear panel thumbscrews and slide off the access panel Figure 4 3 Loosening the thumbscrews and removing the side access panel WARNING To reduce the risk of personal injury from hot sur...

Page 47: ...tion in this chapter then place the workstation on its side CAUTION Before removing the side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the side access panel 3 Press the front bezel release latches and remove the front bezel Figure 4 4 Removing the front ...

Page 48: ...side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Side access panel Y Front bezel 3 Remove the screws that secure the blank drive bezel then remove the blank bezel from the front bezel Figure 4 5 Removing the blank bezel To replac...

Page 49: ...cess panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Side access panel Y Front bezel 3 Remove the two screws that connect the EMI cooling shield to the front of the chassis 4 Remove the EMI cooling shield from the drive slot Figure 4 6 Remo...

Page 50: ...e side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Workstation feet Y Side access panel 3 Remove the power supply air baffle from the Velcro adhesive tabs Figure 4 7 Removing the power supply air baffle To replace the power suppl...

Page 51: ...the mass storage devices supported on the Compaq Professional Workstation SP750 Drive Positions The Compaq Professional Workstation SP750 can house up to seven mass storage devices The following illustration identifies the physical drive locations Refer to the corresponding table for a list of the recommended drive configurations Figure 4 8 Drive positions ...

Page 52: ...hat supports a 1 0 inch hard drive or a 1 6 inch hard drive 4 Bay 4 5 25 inch half height bay that supports 1 0 inch or 1 6 inch storage devices Either a CD ROM drive or DVD ROM drive is shipped in bay 4 5 Bay 5 5 25 inch half height bay that supports 1 0 inch or 1 6 inch storage devices 6 Bay 6 5 25 inch half height bay that supports 1 0 inch or 1 6 inch storage devices 7 Bay 7 3 5 inch third hei...

Page 53: ...ra hardware screws on the side of the air plenum The top group of eight screws 1 is for installing hard drives in the removable hard drive cage The bottom group of nine screws 2 is for installing removable media storage devices in the front drive bays Figure 4 9 Hardware screws for drive bay installations ...

Page 54: ...at the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Side access panel Y Front bezel 3 Remove the two screws securing the right side of the drive 4 Slide the drive slightly out of the drive cage 5 Disconnect all cables from the rear of the CD ROM drive 6 Pull ...

Page 55: ...ide screws Longer screws can damage the internal components of the drive Be sure to transfer the guide screw from the old drive to the new one The screw is installed on the right front side of the drive Note that extra guide screws are provided on the side of the air plenum CAUTION When servicing the workstation be sure cables are placed in their proper locations during the reassembly process Impr...

Page 56: ...pter then place the workstation on its side CAUTION Before removing the side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Side access panel Y Front bezel 3 Disconnect the cables from the back of the diskette drive Figure 4 12 Disc...

Page 57: ...or 5 mm long screws Longer screws can damage the internal components of the drive If you are replacing the drive with a new one transfer the guide screw from the old drive to the new one Be sure the guide screw is placed in the first hole on the right side of the drive Note that extra guide screws are provided on the side of the air plenum CAUTION When servicing the workstation be sure cables are ...

Page 58: ...tation and disconnect the power cord from the grounded AC outlet and the back of the workstation CAUTION Before removing the side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Side access panel Y Front bezel 3 Refer to the followin...

Page 59: ...4 18 Compaq Professional Workstation SP750 Maintenance and Service Guide Figure 4 15 Removing the EMI cooling shield Figure 4 16 Removing the hard drive ...

Page 60: ...Removal and Replacement Procedures 4 19 Figure 4 17 Removing a hard drive from the hard drive bracket To replace the hard drive reverse the previous procedure ...

Page 61: ...ve a hard drive from the removable hard drive cage 1 Perform the steps in the Service Preparations section in this chapter then place the workstation on its side CAUTION Before removing the side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following com...

Page 62: ...rive cage out of the chassis Figure 4 19 Removing the removable hard drive cage 7 Remove the four hard drive screws that secure the hard drive in the removable hard drive cage then pull the hard drive straight out Figure 4 20 Removing a hard drive from the removable hard drive cage CAUTION When servicing the workstation make sure cables are placed in their proper locations during the reassembly pr...

Page 63: ...ss panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Workstation feet Y Side access panel Y Removable hard drive cage 3 Remove four hard drive screws top group of screws from the side of the air plenum located at the front of the workstation ...

Page 64: ... Procedures 4 23 5 Install an optional hard drive in the removable hard drive cage Figure 4 22 Installing a 1 0 inch hard drive 6 Reinstall the removable hard drive cage Figure 4 23 Reinstalling the removable hard drive cage ...

Page 65: ...4 24 Compaq Professional Workstation SP750 Maintenance and Service Guide Figure 4 24 Connecting the signal and power cables to the hard drive 7 Reassemble the workstation ...

Page 66: ...The workstation ships standard with a five device SCSI cable One end of this cable connects to the internal Channel 1 and the other end first device connector of the cable connects to the hard drives in the removable hard drive cage The cable has five connectors to handle up to five SCSI devices a maximum of three in the removable hard drive cage and two in the front drive bay area Figure 4 25 Fiv...

Page 67: ...graphic controllers may be found on the Workstation Reference Library CD The Compaq Professional Workstation SP750 contains four 32 bit 33 MHz and two 64 bit 66 MHz PCI expansion slots The following figure identifies the physical locations of these slots See Table 4 3 for component names Figure 4 26 Identifying PCI expansion slots Table 4 3 PCI Expansion Slots Item Component Bus Location 1 Four 32...

Page 68: ...nded AC outlet 2 Remove the side access panel 3 Disconnect any cables attached to the expansion board 4 Remove the expansion board retaining screw 5 Hold the board at each end and carefully rock it back and forth until the connectors pull free from the slot Do not scrape the board against other components Figure 4 27 Removing an expansion board 6 Store the board in antistatic packaging 7 Install a...

Page 69: ...grounded AC outlet and the back of the workstation Disconnect the network cable and any external devices from the system 2 Remove the side access panel and locate the correct vacant PCI slot 3 Remove the screw securing the expansion slot cover then remove the slot cover as illustrated Figure 4 28 Removing the screw and expansion slot cover To replace an expansion slot cover reverse the above proce...

Page 70: ...so that the whole connector seats properly in the expansion board slot NOTE If you are installing a full length PCI board make sure the card is engaged with the card guide 5 Replace the screw at the side of the expansion slot 6 Replace the side access panel 7 Connect external cables to the installed board if necessary 8 Plug the network cable back into the system Reconnect external devices Plug th...

Page 71: ...onal RIMMs are available to upgrade the memory Continuity RIMMs CRIMMs are also available to populate empty RIMM slots The workstation ships with an eight RIMM slot memory expansion board with two Direct RDRAM channels The workstation supports 2 GB of memory with 256 MB Direct DRAM technology or 4 GB using 512 MB RIMMs when available A maximum of 32 Direct RDRAM devices is supported per channel Se...

Page 72: ...ables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the side access panel and locate the memory board in the memory board connector 1 on the workstation system board Figure 4 30 Locating the memory board connector on the system board 3 Loosen the thumbscrew on the back of the metal slot cover that secures the memory board ...

Page 73: ...press downward on the plastic release latch holding the memory board in the memory board retainer 5 Carefully remove the memory board from the memory board connector Figure 4 32 Releasing and removing the memory board from the memory board connector To install the memory board reverse the above procedure ...

Page 74: ...nsion board four RIMM slots per memory channel Figure 4 33 Location of eight RIMM slots Table 4 4 RIMM Slot Locations Identifier RIMM Slot Memory Channel 1 RIMM Slot 1 Channel B 2 RIMM Slot 2 Channel A 3 RIMM Slot 3 Channel B 4 RIMM Slot 4 Channel A 5 RIMM Slot 5 Channel B 6 RIMM Slot 6 Channel A 7 RIMM Slot 7 Channel B 8 RIMM Slot 8 Channel A ...

Page 75: ...s Location Contents RIMM Slots 1 and 2 CRIMM RIMM Slots 3 and 4 RIMM RIMM Slots 5 and 6 Empty RIMM Slots 7 and 8 Empty Configuration 2 Table 4 6 Configuration 2 Two Pairs of RIMMs Location Contents RIMM Slots 1 and 2 RIMM RIMM Slots 3 and 4 RIMM RIMM Slots 5 and 6 Empty RIMM Slots 7 and 8 Empty Configuration 3 Table 4 7 Configuration 3 Three Pairs of RIMMs Location Contents RIMM Slots 1 and 2 RIMM...

Page 76: ... removing RIMMs allow the module being removed from the RIMM slot sufficient time to cool RIMM temperatures can reach 100 C 212 F CAUTION When handling a RIMM be careful not to touch any of the contacts Doing so may damage the module CAUTION Static electricity can damage the electronic components of the workstation or optional boards Before beginning these memory upgrade procedures ensure that you...

Page 77: ... on the RIMM RIMMs must be installed correctly Be sure to match the two key slots on the RIMM with the tab on the RIMM slot Push the RIMM down into the RIMM slot ensuring that it is fully inserted and properly seated Install RIMMs in pairs across both channels Each RIMM slot populated with a RIMM or CRIMM on channel A must be populated with an identical RIMM or CRIMM on Channel B Do not mix 600 MH...

Page 78: ...l and Replacement Procedures 4 37 3 Press inward on the two retainer latches to secure the RIMM in the slot Figure 4 34 Installing a RIMM To remove a memory module from a RIMM slot reverse the above procedure ...

Page 79: ...ess panel and locate the memory board that is connected to the workstation system board 3 Place the memory board into the memory board connector on the system board IMPORTANT When installing a memory board press firmly on the board so that the whole connector seats properly in the memory board slot After you install the memory board make sure the board is engaged with the card guide 4 Tighten the ...

Page 80: ...he side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Workstation feet Y Side access panel 3 Disconnect the SCSI cable from the controller 4 Remove the retaining screw that holds the controller in place 5 Remove the controller To r...

Page 81: ...rd to occupy up to two adjacent PCI slots with additional components or cards on your workstation system board Removing an AGP Graphics Controller To remove the AGP graphics controller 1 Perform the steps in the Service Preparations section in this chapter then place the workstation on its side CAUTION Before removing the side access panel ensure that the workstation is turned off all cables are d...

Page 82: ... cover to ensure proper cooling 7 Replace the side access panel 8 Plug the network cable back into the system Reconnect external devices and plug the power cord back into the grounded AC outlet To install an AGP graphics controller reverse the above procedure IMPORTANT To ensure the board fits properly use AGP graphics controllers with ATX format brackets IMPORTANT When installing an AGP board pre...

Page 83: ...e access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Workstation feet Y Side access panel 3 Loosen the middle thumbscrew that holds the processor in place 1 4 Open the two release latches 2 then slide out the processor Figure 4 38 Remov...

Page 84: ...N Installing the processor incorrectly may cause damage to the system board Have a Compaq authorized reseller or service provider install the processor If you plan to install it yourself read all of the instructions carefully before you begin CAUTION Before removing the side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the ...

Page 85: ...the primary processor slot when installing a second processor or your workstation will not function 4 Reassemble the workstation and connect the power cord that was disconnected from the grounded AC outlet or the back of the workstation IMPORTANT When replacing the side access panel be sure to tighten all four thumbscrews ...

Page 86: ... are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the side access panel 3 Unplug the speaker connector from the system board and remove the cable from the clip 4 Remove the four T 15 screws securing the front of the speaker to the chassis 5 Remove the speaker from the workstation by sliding it back then lifting it up and out ...

Page 87: ...4 46 Compaq Professional Workstation SP750 Maintenance and Service Guide Figure 4 41 Removing the fours screws and removing the speaker To replace the speaker reverse the above procedure ...

Page 88: ...urned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the side access panel 3 Remove any expansion cards from the card guide 4 Remove the two screws attaching the card guide bracket to the air plenum 5 Remove the four screws securing the card guide to the card guide bracket 6 Remove the card guide Figure 4 42 ...

Page 89: ...ompaq Professional Workstation SP750 Maintenance and Service Guide Figure 4 43 Removing the four screws securing the card guide to the card guide bracket To replace the card guide reverse the above procedure ...

Page 90: ...off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the side access panel 3 Disconnect the fan cable from the system board and remove the cable from the clip 4 Remove the card guide as illustrated in the previous section 5 Remove the four screws securing the fan to the fan bracket 6 Remove the fan Figure 4 44 Remo...

Page 91: ...de access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Side access panel Y Processor 3 Unscrew the processor cage from the chassis 4 Remove the processor cage Figure 4 45 Unscrewing the four processor cage screws and removing the process...

Page 92: ... primary processor secondary processor if installed AGP graphics controller if installed and the battery Each of these components is spared separately The following illustration and Table 4 10 identify the internal system board components of your workstation Figure 4 46 Identifying system board components ...

Page 93: ...CSI connector channel A d Hood sensor connector AGP Pro expansion slot f Alert on LAN connector PCI expansion slots 1 4 32 bit 33 MHz located on primary bus g Wake on LAN connector PCI expansion slots 5 and 6 64 bit 66 MHz located on secondary bus h Chassis fan connector To remove the system board 1 Perform the steps in the Service Preparations section in this chapter then place the workstation on...

Page 94: ...Removal and Replacement Procedures 4 53 5 Remove the system board Figure 4 47 Removing the system board To install a new system board reverse the above procedure ...

Page 95: ... lithium coin cell battery 1 Turn off the workstation and any external devices Disconnect the power cord from the grounded AC outlet Disconnect the network cable and any external devices from the system Remove the side access panel IMPORTANT On a power managed system the power cord must be disconnected from the grounded AC outlet NOTE It may be necessary to remove an expansion board to gain access...

Page 96: ...y should be positioned up 4 The battery holder automatically secures the battery in the proper position 5 Replace any expansion boards you have removed 6 Replace the side access panel 7 Plug the network cable back into the system Reconnect external devices and plug the power cord back into the grounded AC outlet Reset the date and time your passwords and any special system setups using Compaq Comp...

Page 97: ...station is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the following components Y Side access panel Y Front bezel Y CD ROM or DVD ROM drive 3 Disconnect the power switch cable from the system board 1 4 Remove the ferrite bead then remove the cable from the clips 2 5 Remove the screws securing the cr...

Page 98: ...Removal and Replacement Procedures 4 57 Figure 4 51 Removing the screws securing the crown assembly To replace the power switch holder reverse the above procedure ...

Page 99: ...let that is easily accessible at all times WARNING Do not reconnect power to the computer until the computer cover is replaced Connecting the power before replacing the computer cover can result in personal injury or equipment damage To remove the power supply 1 Perform the steps in the Service Preparations section in this chapter then place the workstation on its side CAUTION Before removing the ...

Page 100: ... and Replacement Procedures 4 59 4 Slide the power supply toward the front of the chassis then pull up to remove it Figure 4 52 Removing the power supply To replace the power supply reverse the above procedure ...

Page 101: ...Chapter 5 Connectors Jumpers and Switches Overview This chapter provides jumper and switch information for the Compaq Professional Workstation SP750 ...

Page 102: ...hat the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet 2 Remove the side access panel to access the P49 Jumper on the system board 3 Remove the P49 Jumper Figure 5 1 Locating the P49 Jumper 4 Reassemble the workstation and reconnect the power cord to the power connector on the rear of the worksta...

Page 103: ... from electric 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 them CAUTION Before removing the side access panel ensure that the workstation is turned off all cables are disconnected from the back of the workstation and the power cord is disconnected from the grounded AC outlet CAUTION When the un...

Page 104: ...rd 5 Press the SW50 pushbutton switch to clear the workstation CMOS 6 Replace the side access panel 7 Reconnect the network cable and external devices 8 Plug in the workstation and turn on the power NOTE When the CMOS pushbutton switch is pressed your passwords will become invalid because the passwords are stored in the configuration memory Reset your passwords and any special system setups ...

Page 105: ...GB Drive Size DDRS 39130 Model J2 Default Settings Jumper NOT Installed Jumper Installed Key Signal S P W X Description Start Unit Command Enabled Parity Enabled Write Protect Disabled Synch Data Transfer Enabled Jumper n a Pin 1 J2 Bit 2 Bit 0 Bit 3 Bit 1 S P SCSI POWER Pin 1 J1B 1 All jumper and switch settings are shown in the factory default setting including those not labeled 2 Termination is...

Page 106: ...gnal S P W X Description Start Unit Command Enabled Parity Enabled Write Protect Disabled Synch Data Transfer Enabled Jumper n a Pin 1 J2 Bit 2 Bit 0 Bit 3 Bit 1 S P SCSI POWER Pin 1 J1B 1 All jumper and switch settings are shown in the factory default setting including those not labeled 2 Termination is disabled removed NOTES n a This drive is intended for non pluggable applications only Migratio...

Page 107: ...r positions for the 100 and 250 MB Zip drives are identical 100 MB Drive Size Zip Drive Model Default Setting Jumper Setting for Cable Select Note After changing the jumper settings reboot the computer so the new address will be recognized Jumper NOT Installed Jumper Installed Key Configuration Device 0 Master Device 1 Slave Cable Select Default IDE Settings Figure 5 6 Locating the jumper position...

Page 108: ...rating and performance specifications for the following Compaq Professional Workstation SP750 hardware System unit Diskette drive Zip drive CD ROM drive DVD ROM drive Hard drives Audio system Keyboard Mouse Three button Graphics controllers Network controllers ...

Page 109: ...rements Low Range High Range Rated Input Voltage 100VAC to 120VAC 200VAC to 240VAC Rated Input Current 8 A 4 A Rated Input Frequency 50 Hz to 60 Hz 50 Hz to 60 Hz Input Power 708 W 708 W Input Power BTU H 2418 BTU h 2418 BTU h Power Supply Output Power Rated Steady State Power 425 W 425 W Maximum Peak Power 445 W 445 W Relative Humidity Operating 20 to 80 20 to 80 Nonoperating 10 to 95 10 to 95 Te...

Page 110: ... IRQ 3 Serial port COM 2 IRQ 4 Serial port COM 1 IRQ 5 ESS sound chip IRQ 6 Diskette drive IRQ 7 Parallel port LPT 1 IRQ 8 Real time clock IRQ 9 Assigned to ACPI unless ACPI is disabled in F10 setup IRQ 10 Unused IRQ 11 PCI interrupts IRQ 12 Mouse IRQ 13 Non catastrophic errors CPU error IRQ 14 IDE controller IRQ 15 CD ROM ...

Page 111: ...scading DMA 5 Unused DMA 6 Unused DMA 7 Unused Table 6 4 System I O I O Address Hex System Function Shipping Configuration 000 00F DMA controller 1 010 01F Unused 020 021 Interrupt controller 1 02E 02F Super I O index data registers 040 043 Counter timer 044 04D Unused 04E 04F Super I O index data register alternate 050 05F Unused 060 Keyboard controller 061 Port B 062 063 Unused 064 Keyboard cont...

Page 112: ...5 483 CPU speed slow fast 0F6 0F8 Unused 0F9 483 PGL configuration lock 0FA Unused 0FB 483 PGL configuration unlock 0FC 0FF Unused 100 12F Unused 130 131 Modem PGL index data default alternate 140h 260h 270h 132 16F Unused 170 177 Reserved IDE controller can be set during Setup 178 1EF Unused 1F0 1F7 Fixed disk controller 1F8 1FF Unused 200 Unused 201 Unused 202 21F Unused 220 22F Business Audio d...

Page 113: ... 2F8 2FF Modem COM 2 300 317 Unused 318 319 Unused 31A 36F Unused 370 377 Reserved second diskette drive 378 37F Parallel port primary 380 387 Unused 388 38B FM synthesizer OPAL 38C 397 Unused 39A 3AF Unused 3B0 3BB MDA EGA VGA 3BC 3BF Reserved parallel port 3C0 3DF EGA VGA 3E0 3E7 Unused 3E8 3EF Reserved serial port 3F0 3F7 Diskette controller 3F8 3FF Serial port primary ...

Page 114: ... Memory 1 to TOM 64 KB 64 KB However USB buffer is not applicable to all system configurations USB memory buffers TOM Top of Memory 64 KB 1 to 01000000h Depends on memory installed HOST memory expansion 00FFFFFFh to 00100000h 15360 KB HOST memory expansion 000FFFFFh to 000F0000h 64 KB System ROM 000EFFFFh to 000E0000h 64 KB Expansion system ROM 000DFFFFh to 000C0000h 128 KB Option ROM 000BFFFFh to...

Page 115: ...ch High density 1 44 MB Low density 720 KB Light Green Height One third Bytes per sector 512 Sectors per Track High density 18 Low density 9 Tracks per Side High density 80 Low density 80 Read write heads 2 Average Access Time Track to track high low 3 6 ms Average high low 94 173 ms Latency average ms 100 ms Data Transfer Rate High low to from media 500 250 Kb s ...

Page 116: ... Time to switch track following on one data surface and establish track following on other data surface The average head switch time is measured over 1 000 accesses head switches occur for only one half of random accesses Time required for the head to establish track following from the parked position Start time is time from disk insertion to time drive is ready to process commands The typical spi...

Page 117: ...ce Guide Table 6 8 100 MB Zip Drive Cartridge Characteristics Disk Specifications Spares capacity 1 6 MB Form factor width 3 875 inch 98 0 mm Weight 1 75 oz 49 6 grams Drop height shock 3 0 meters Insertion removal cycles 2 000 minimum Estimated shelf life 10 years ...

Page 118: ...sector on the next track Time to switch track following on one data surface and establish track following on other data surface The average head switch time is measured over 1 000 accesses head switches occur for only one half of random accesses Time required for the head to establish track following from the parked position Start time is time from disk insertion to time drive is ready to process ...

Page 119: ... width 3 875 inch 98 0 mm Weight typical 1 5 oz 43 grams Insertion removal cycles 2 000 minimum Estimated shelf life 10 years Environmental Limits Maximum operating temperature 51 5 C Operating humidity noncondensing 20 to 80 RH Shipping temperature 40 F to 125 F 40 C to 51 5 C Extrapolated from previous product data Do not exceed operating temperature limits inside the cartridge ...

Page 120: ... Full stroke seek 100 ms 150 ms Data transfer rate Sustained Burst 150 KB s 2550 to 6000 KB s 17x to 40x variable Bus rate 4 0 MB s Cache buffer 128 KB s Start up time Single Multisession 7 s 30 s Stop time 4 s Error rates Soft error Hard error Seek error 10 9 10 12 10 6 Dimensions Specifications Chassis Height 41 3 mm Width 146 0 mm Depth 203 0 mm Weight 1200 g Bezel Height 148 0 mm 0 5 mm Width ...

Page 121: ...se 0 7 Vrms 80 dB 65 dB 0 1 20 to 20 KHz Digital audio out connector Two pin serial digital serial connector at the rear of the drive Molex 70553 G or equivalent with pin 1 as ground and pin 2 as digital data Electrical Specifications DC power requirements 5 VDC 5 12 VDC 5 100 mV ripple p p 200 mV ripple p p DC current 5 VDC 5 typical 5 VDC 5 maximum 12 VDC 5 typical 12 VDC 5 maximum 450 mA 1800 m...

Page 122: ...50 MB Mode 1 12 cm 640 MB Mode 2 12 cm 180 MB 8 cm Disc thickness 1 2 mm CD ROM 1 2 mm DVD Track pitch 1 6 um CD ROM 0 74 um DVD Block size Mode 0 2352 bytes Mode 1 2352 2340 2336 2048 bytes Mode 2 2352 2340 2336 2048 bytes DVD 2048 bytes Performance Specifications Access time DVD 180 ms random typical 300 ms full stroke typical CD 120 ms random typical 200 ms full stroke typical Data transfer rat...

Page 123: ...utes MTTR 20 000 drawer in out cycles 5 x 106 full stroke seeks Indicators Busy LED amber or green Audio Interface Specifications Line out connector RMS output voltage 0 7 Vrms typical S N ratio 85 dB minimum Channel separation 65 dB minimum THD noise 0 1 1 KHz Frequency response 20 to 20 KHz 2 dB Electrical Specifications DC input power requirements 5 VDC 5 100 mV ripple p p 12 VDC 5 200 mV rippl...

Page 124: ...1 3 MB s Asynchronous 5 0 MB s Synchronous Up to 40 0 MB s Seek Time typical Single track 0 8 ms Average 5 0 ms Full stroke 12 0 ms Disk Rotation Speed 10 000 rpm Cylinders 8419 Data Heads Cylinder 10 Sectors Track 165 to 264 8 zones Buffer Size 384 KB NOTE Drive performance may vary slightly depending upon the vendor ...

Page 125: ...te Media 151 to 257 Mbits s Asynchronous 6 0 MB s Synchronous Up to 40 0 MB s Seek Time typical Single track 0 8 ms Average 5 0 ms Full stroke 12 0 ms Disk Rotation Speed 10 000 rpm Cylinders 133 816 Data Heads Cylinder 8 Sectors Track 227 to 387 16 zones Buffer Size 2048 KB NOTE Drive performance may vary slightly depending upon the vendor ...

Page 126: ... MB s Interface 66 6 MB s Seek Time typical Single track 1 7 ms Average 8 5 ms Full stroke 15 0 ms Disk Rotation Speed 7200 rpm Cylinders 16 383 Data Heads logical 16 Sectors Track logical 63 Buffer Size 512 KB Logical Blocks 39 102 336 Operating Temperature 5 to 55 C NOTE Drive performance may vary slightly depending upon the vendor ...

Page 127: ...ic Distortion Noise Line input to line output Digital playback Digital record 72 dB 67 dB 77 dB Frequency Response 3 dB cutoffs Line level 48 kHz Speaker 20 Hz to 20 000 Hz 110 Hz to 15 000 Hz Crosstalk dB Line out 70 dB Impedance nominal Microphone in Line in Headphone out Line out 10 K ohm 10 K ohms 16 ohms min 800 ohms Data Types PCM A Law µ Law 8 16 bit mono stereo 8 16 bit mono stereo 8 16 bi...

Page 128: ...dpi Tracking Speed maximum 10 in sec 25 cm sec Temperature Operating Storage 32 F to 104 F 4 F to 140 F 0 C to 40 C 20 C to 60 C Lifetime Mechanical Switch Exceeds 300 miles Exceeds 1 million operations Exceeds 483 km Exceeds 1 million operations Relative Humidity 10 to 90 noncondensing ESD No soft errors through 8 KV no hard errors through 10 KV specific performance depends on host system ...

Page 129: ...32 768 32 768 85 1600 x 1000 32 768 32 768 100 1536 x 1152 32 768 32 768 85 1280 x 1024 32 768 16 7 million 100 80 1152 x 864 16 7M 16 7 million 100 1024 x 768 16 7M 16 7 million 100 800 x 600 16 7M 16 7 million 100 640 x 480 16 7M 16 7 million 100 Table 6 20 3Dlabs Oxygen GVX1 AGP Graphics Controller Color Support Resolution Maximum Colors Maximum Refresh Rate Hz 1920 x 1200 16 7 million 76 1920 ...

Page 130: ...024 16 million 100 1600 x 1200 32k 85 1920 x 1080 64k 75 1920 x 1200 256 70 1800 x 1440 256 65 Table 6 22 Matrox Millenium G400 AGP Graphics Controller Maximum Color Support Resolutions Maximum Refresh Rate Hz Memory Interface Output 2048 x 1536 85 Hz 16 MB SGRAM 256 bit internal memory bus AGP 4x 2X compatible HD VGA connector NOTE This board is at full resolution at 32 bit color with maximum col...

Page 131: ... x 600 16 7M 75 640 x 480 16 7M 85 Network Controllers Table 6 24 Ethernet Network Interface Controller NIC Physical connector RJ 45 Operating environment Temperature Humidity 50 to 95 F 10 to 35 C 10 to 90 noncondensing Electrical bus 32 bit PCI bus RJ 45 Network Cable Specifications The RJ 45 connections use an unshielded twisted pair UTP cable of 22 24 or 26 gauge The cable must comply with the...

Page 132: ...164414 001 158722 001 ...

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