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Technical Reference Guide
Compaq Deskpro EXS and Workstation 300 Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition - December 2000
2-7
2.3.3 BOARD LAYOUT
These systems use an ATX-type system board. Figure 2-5 shows the location of sockets,
connectors, headers, switches, jumpers, and LEDs.
Item Description Item Description
1 PCI expansion bus slot connectors 15 Power supply connector
2 AGP slot connector 16 Secondary IDE connector
3 Auxiliary audio input header 17 Power/LED connector [1]
4 Chassis fan header 18 Primary IDE connector
5 Line In, HP/Line Out, Mic In connectors 19 Power supply on / 5V Aux power LED
6 USB ports (4) 20 Diskette drive connector
7 Top: Serial port B; Bottom: serial port A 21 CMOS clear button
8 Top: mouse connector, Bot.: Kybd conn. 22 Power button LED
9 Parallel port connector 23 Speaker connector
10 CD audio input header 24 Battery
11 CPU power connector 25 3.3V aux power LED
12 Processor socket 26 AOL/SOS header
13 Channel B RIMM sockets 3, 4 27 Password clear jumper [2]
14 Channel A RIMM sockets 1, 2 -- --
NOTE:
[1] Connector for power button, Power/HD LEDs, and SCSI HD LEDs.
[2] Jumper installed, password enabled. Jumper removed, password cleared.
Figure 2–5. System Board Layout
System Board
(PCA# 010821)
6
2
192021
1
10
18 17
14
16
3
24
9
5
11
1 7 8
13
4
25
26
27
23
15
22
12