Compaq Deskpro EX and EXS Compaq, the Compaq logo, and Deskpro are trademarks of
Compaq Information Technologies Group, L.P.
Illustrated Parts Map
Compaq Deskpro EX and EXS
Intel, Pentium, and Celeron are trademarks of Intel
Series of Personal Computers Corporation in the United States and other countries.
Minitower Models
All other product names mentioned herein may be
trademarks of their respective companies.
Compaq shall not be liable for technical or editorial errors
or omissions contained herein. The information in this
document is provided "as is" without warranty of any kind
and is subject to change without notice. The warranties for
Compaq products are set forth in the express limited
warranty statements accompanying such products. Nothing
herein should be construed as constituting an additional
warranty.
September 2001
Standard and Optional Boards
Graphics Controllers
Part Number 201858-002 1 NVIDIA M64, 16 MB SDRAM AGP board 1827 57-001
* NVIDIA M64, 32 MB RAM, AGP 2032 80-001
* NVIDIA NV-15, 32 MB 1802 84-001
* Vanta LT 8 MB SDRAM 2018 27-001
* Vanta 16 MB RAM, AGP 239920-001
* AIMM (GPA) 4 MB, 133 MHz graphics 1920 12-001
Spare Part Number 215880-001
Other boards
2 NIC, 10/100 PCI 1161 88-001
* Audio board, PCI, ES1373 1138 97-003
b Intel Celeron Processor
3 566/66 MHz with heatsink and clip 2039 67-001
* 600/66 MHz with heatsink and clip 1920 11-001
* 633/66 MHz with heatsink and clip 2259 22-001
* 667/66 MHz with heatsink and clip 2376 97-001
* 700/66 MHz with heatsink and clip 2304 33-001
* 733/66 MHz with heatsink and clip 2396 98-001
* 800/100 MHz with heatsink and clip 2318 53-001
Miscellaneous Plastics (not illustrated) * 850/100 MHz with heatsink and clip 2391 15-001
Intel Pentium III Processor
Miscellaneous plastics kit, includes: 166878-001
* 667/133 MHz with heatsink and clip 2393 26-001
Panel, sub (166835-001)
* 733/133 MHz with heatsink and clip 2297 38-001
Bezel, blank (166775-001)
* 800/133 MHz with heatsink and clip 2393 25-001
Diskette bezel (166776-001
* 866/133 MHz with fansink and clip 1920 06-001
Card guide (166778-001)
* 933/133 MHz with fansink and clip 2039 69-01
Foot, rubber (4 ea.) (166939-002)
* 1GHz/133MHz with heatsink and clip 2227 27-001
Button, power (166774-001)
* 1.13 GHz/133MHz with heatsink and clip 239112-001
Drivelock, DT (166779-001)
* 1.20 GHz/133MHz with heatsink and clip 239113-001
Spring, power button (166837-001)
Memory Module 133MHz
Spring, drivelock (2 ea.) (166837-002)
4 SDIMM, 64 MB 1700 80-001
Drivelock, MT (166780-001)
* SDIMM, 128 MB 1700 81-001
Retention mechanism (2 ea.) (350767001)
* SDIMM, 256MB 1920 14-001
5 System Board (replaced by 240762-001) 2039 66-001
5 System Board Tualatin ready (replaces 203966-001) 240762-001
System Unit
*Not shown
1 Access Panel Not spared
2 Front bezel 166 868-00 1
3 Chassis assembly (reference only) Not spared
4 Logo kit (1 ea., DT and MT) 166 924-00 1
5 Power switch with cable, LED, and switch holder 199 854-00 1
6 Feet Plastics Kit
7 Power supply 201 828-00 1
7 Power supply (PFC) 224 062-00 1
Mass Storage Devices (not illustrated)
Diskette drive, 3.5-inch without bezel 210 795-00 1
48X Max tray load IDE CD-ROM drive 187 263-00 1
32X Max CD-ROM, RW 101 916-00 1
32X Max CD-RW drive 217 824-00 1
Cables
10X DVD-ROM drive 215 422-00 1
1 Diskette drive cable 1617 35-001
16X DVD-ROM drive 236 922-00 1
* CD-Audio cable 149806-001
2X DVD-ROM drive 176 745-00 1
* Hard drive/CD-ROM cable. 18" long, 10" to first 1966 67-001
10-GB UATA Quiet hard drive (5400) 203 139-00 1 connector
Miscellaneous Parts
10-GB UATA hard drive (66/7200) 135 364-00 1 Cable kit, includes: 1922 64-001
1 B attery 1 5309 9-001
10-GB UATA Quiet hard drive (100/5400) 180 472-00 1 2 40 pin IDE data cable, 12.5" (105876-001)
* Active fansink ( 866, 933 MHz, 1 GHz) 2 2802 6-001
15-GB UATA hard drive (66/5400) 202 903-00 1 3 IDE Ultra ATA dual device, hard drive/CD-ROM
cable, 18" (108950-019) * Active fansink (1.13 GHz and faster) 2 3911 9-001
15-GB UATA hard drive (66/7200) 192 060-00 1
4 IDE Ultra ATA dual device, hard drive/CD-ROM 2 Drive bay adapter, 3.5 to 5.25" 2 2819 2-001
15-GB UATA Quiet hard drive (7200) 180 474-00 1
cable, 18" (108950-021)
3 Fan assembly 230435-001
20.0-GB UATA Quiet hard drive (100/7200) 180476-001
5 Audio cable, 21", (288489-002)
4 Mouse, 2-button 166861-001
20.0-GB UATA hard drive (5400) 218 318-00 1
5 Audio cable, Panther 21" (387527-001)
* Mouse, scroll, Opal 3 3468 9-002
20.0-GB UATA hard drive (100/7200) 180475-001
6 Power switch with cable, LED, and switch holder 199854-001
*Not shown
30-GB hard drive (100/7200) 180 477-00 1
*Not shown
30-GB hard drive (100/5400) 236 920-00 1
40-GB hard drive (100/5400) 236 921-00 1
Keyboards (not illustrated)
40-GB UATA Quiet hard drive (100/7200) 202 904-00 1
Miscellaneous Screws (not illustrated)
60-GB UATA hard drive (100/7200) 232 022-00 1 Easy Access keyboard 1231 30-xxx
Miscellaneous screw kit, includes: 179180-001
LS-120 drive 103 421-00 1 Spacesaver keyboard 2695 13-xxx
6-32 x 1/4 hi-top, thread forming with serrations
Dutch -331
(4 ea.) (192308-001)
Finnish -351
6-19 x 5/16 panhead, plastite (5 ea.) (101346-068)
Documentation and Packaging (not illustrated) French -051
6-19 x 5/16 hi-top, plastite with captive washer
(4 ea.) (114399-069)
Maintenance & Service Guide 215 879-00 1 International -B31
6-32 x 3/16 hi-top, thread forming with serrations
Service Reference Guide 152 611-00 1 Norwegian -091
(5 ea.) (192308-003)
Quick Troubleshooting Guide 153 837-00 1 Spanish -071
M3 x 5mm, hi-top, plastite with serrations (3 ea.)
(247348-001)
Illustrated Parts Map 215 880-00 1 Swedish -101
6-32 x 3/16 buttonhead tamper-resistant, taptite with
Return kit 166 990-00 1 United Kingdom -031
serrations (4 ea.) (296769-002)
Return kit, International, with carton and buns 166 990-00 2 United States -001
6-32 x 5/16 hi-top, taptite (5 ea.) (109384-568)
6-19 x 1/2 panhead, plastite (4 ea.) (101346-071)
Thumbscrew, molded cap (179333-002)
ICH Fixed I/O Registers (Continued)
Port Register Name
A4h-A5h, A8h-A8h, ACh-ADh, Aliased at A0h-A1h
B0h-B1h, B4h-B5h, B8h-B9h,
BCh-Bdh
B2h Advanced power management control port register
B3h Advanced power management status port register
C0h, C4h, C8h, CCh Channel 4, 5, 6, 7 DMA base and current address register
C1h Aliased at C0h
C5h Aliased atC4h
C9h Aliased at C8h
C Dh Aliased at CCh
C2h, C6h, CAh, CEh Channel 4, 5, 6, 7 DMA base and current count register
C3h Aliased at C2h
C7h Aliased at C6h
CBh Aliased at CAh
CFh Aliased at Ceh
D0h Channel 4-7 DMA command register and status register
D1h Aliased at D0h
D4h Channel 4-7 DMA write single mask register
D5h Aliased at D4h
D6h Channel 4-7 DMA channel mode register
System Board Connectors and Jumpers
D7h Aliased at D6h
CR28 3.3V Aux LED P12 SOS connector
D8h Channel 4-7 DMA clear byte pointer register
CR29 3.3 V Main LED (NI) P20 Primary IDE connector
D9h Aliased at D8h
E6 Firmware hub top block lock (Installed = P21 Secondary IDE connector DAh Channel 4-7 DMA master clear register
bootblock unprotected. Removed = boot-
block protected.) DB h Aliased at DAh
DC h Channel 4-7 DMA clear mask register
E 29 SCSI LED cable connetor P70 CPU fan connector
D Eh Aliased at DCh
E 49 Password jumper (Installed = Enabled, P100 ITP connector
Removed = Cleared)
DEh Channel 4-7 DMA write all mask register
J 20-22 PCI slots P216 chassis fan connector DF h Aliased at DEh
J40 AGP/AIMM connector P701 CD-ROM audio F0h Coprocessor error register
P1 Power supply connector SW50 Clear CMOS button 17 0h-177 h PIO mode command block offset for secondary drive
1F0h-1F7h PIO mode command block offset for primary drive
P5 Power button, front panel LED connector XBT1 Battery
37 6h PIO mode control block offset for secondary drive
P10 Diskette drive connector XMM1-2 Memory sockets
3F6h PIO mode control block offset for primary drive
P11 Aux audio connector XU1 Processor socket
4D0 h Master PIC edge/level triggered register
3F6h PIO mode control block offset for primary drive
System Hardware Interrupts 4D1 h Slave PIC edge/level triggered register
40 0-47F Super I/O
IRQ System Function I RQ System Function
F800-F87F Reserved (power management)
Timer Interrupt 8 Real-Time Clock
0
FA00-FA3F Reserved (GPIO management)
Keyboard 9 Available for PCI
1
FC00-FC0F Reserved (SMBUS controller)
Interrupt Controller Cascade 10 Available for PCI
2
NOTE: When the POS_DEC_EN bit is set, additional I/O ports get positively decoded by the ICH.
Serial Port (COM B) 11 Available for PCI
3
4 Serial Port (COM A) 12 Mouse
System Memory Map
Audio 13 C oprocesso r
5
Diskette Drive 14 Primary IDE controller
6 Size Memory Address System Function
7 Parallel Port (LPT 1) 15 Secondary IDE controller 512 KB FFFFFFFFh to FFF80000h System ROM
3839 MB FFFBFFFFh to 10000000h PCI memory expansion
511 MB 0FFFFFFFh to 00100000h Host or PCI memory expansion
System Hardware DMA 128 KB 000FFFFFh to 000E0000h System ROM
96 KB 000DFFFFh to 000C8000h PCI option ROMs
DMA System Function DMA System Function
32 KB 000C7FFFh to 000C0000h Video ROM
0 U nu sed 4 DMA Controller Cascading
128 KB 000BFFFFh to 000A0000h Video RAM
1 U nu sed 5 U nu sed
640 KB 0009FFFFh to 00000000h Base memory
2 Diskette Drive 6 U nu sed
3 ECP Parallel Port LPT1 7 U nu sed
(Default; Alternate = DMA 0)
Clearing CMOS*
The computer's configuration (CMOS) may occasionally be corrupted. If it does, it is necessary to clear the CMOS
memory using jumper SW50
ICH Fixed I/O Registers
To clear and reset the configuration, perform the following procedure:
Port Register Name
1. Prepare the computer for disassembly.
00h, 02h, 04h, 06h Channel 0, 1, 2, 3 DMA base and current address register
CAUTION: The power cord must be disconnected from the power source before pushing the Clear CMOS
C0h, C4h, C8h, CCh Channel 4, 5, 6, 7 DMA base and current address register
Button (NOTE: All LEDs on the board should be OFF). Failure to do so may damage the system board
01h, 03h, 05h, 07h Channel 0, 1, 2, 3 DMA base and current count register 2. Remove the access panel (Section 4.6).
C2h, C6h, Cah, CEh Channel 4, 5, 6, 7 DMA base and current count register 3. Press the CMOS button located on the system board and keep it depressed for 5 seconds.
4. Replace the access panel.
10h-1Fh Aliased at 00h-0Fh
5. Turn the computer on.
20h Master PIC ICW1 Init. Cmd Word 1 register, Master PIC OCW2 Init. Cmd Word 2
register, and Master PIC OCW3 Init. Cmd Word 3 register 6. Run F10 Computer Setup (delete-utility) to reconfigure the system.
*When the CMOS button is pushed or the jumper is removed, both the power-on password and the setup password
21h Master PIC OCW1 Init. Cmd Word 1 register, Master PIC ICW2 Init. Cmd Word 2 become invalid because both are stored in the configuration memory. You will need to reset the passwords.
register, and Master PIC ICW3 Init. Cmd Word 3 register
24h,-25h, 28-29h, 2Ch-2Dh, 30h- Aliased at 20h-21h
Disabling or Clearing the Power-On and Setup Passwords*
31h, 34h-35h, 38h-39h, 3Ch-3Dh
Counter 0 interval time status byte format and Counter 0 counter access port regis-
40h 1. Turn off the computer and any external devices, and disconnect the power cord from the power outlet.
ter
2. Remove the access panel.
41h Counter 1 interval time status byte format and Counter 1 counter access port regis- 3. Locate the header and jumper labeled E49.
ter
4. Remove the jumper from pins 1 and 2. Place the jumper over pin 2 only, in order to avoid losing it.
42h Counter 2 interval time status byte format and Counter 2 counter access port regis- 5. Replace the access panel.
ter
6. Plug in the computer and turn on power to all equipment. Allow the operating system to start. (Placing the jumper
43h Timer control word register, Timer control word register read back. and Counter on pin 2 clears the current passwords and disables the password features.)
latch command
7. To re-enable the password features, repeat steps 1-3, then replace the jumper on pins 1 and 2.
50h-53h Aliased at 40h-43h 8. Repeat steps 5-6, then establish new passwords.
61h NMI status and control register
Refer to the Computer Setup (F10 Setup) instructions to establish new passwords.
70h NMI enable register and Real-time clock (Standard RAM) index register
*When the CMOS button is pushed or the jumper is removed, both the power-on password and the setup password
71h Real-time clock (Standard RAM) target register
become invalid because both are stored in the configuration memory. You will need to reset the passwords
72h Extended RAM index register
73h Extended RAM target register
74h-75h Aliased at 70h-71h
76h-77h Aliased at 72h-73h or 70h-71h
81h, 82h, 83h Channel 2, 3, 1 DMA memory low page register
84h-86h, 88h Reserved page registers
89h, 8Ah, 8Bh Channel 6, 7, 5 DMA memory low page register
8C h-8Eh Reserved page registers
8Fh Refresh low page register
91h-9Fh (except 92h) Aliased at 81h-8Fh
92h Fast A20 and INIT register
CF9h Reset control register
A0h Slave PIC ICW1 Init. cmd word 1 register, Slave PIC OCW2 Init. cmd word 2 reg-
ister, and Slave PIC 0CW3 Init. cmd word 3 register
A1 Slave PIC ICW2 Init. cmd word 2 register, Slave PIC ICW3 Init. cmd word 3 regis-
ter, Slave PIC ICW4 Init. cmd word 4 register, and Slave PIC OCW1 Init. cmd
word 1 register
| 101346-068
101346-071
105876-001
108950-019
108950-021
109384-568
114399-069
149806-001
166774-001
166775-001
166776-001
166778-001
166779-001
166780-001
166835-001
166837-001
166837-002
166861-001
166878-001
166939-002
179180-001
179333-002
180475-001
180476-001
192308-001
192308-003
199854-001
201858-002
203966-001
215880-001
230435-001
239112-001
239113-001
239920-001
240762-001
247348-001
288489-002
296769-002
387527-001
|
