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
19
20
21
1
10
18
17
14
16
3
24
9
5
11
1
7
8
13
4
25
26
27
23
15
22
12
