3
Secondary
IDE Drive
40-pin
IDE2
4
Front I/O
Panel
10-pin
USB2
5
Button
Board
20-pin
J2
6
N/A
7
Processor
Bus
Frequency
Jumper
4, 2-pin
JP12-15
8
CMOS
3-pin
JP3
9
Battery
Socket
Battery
holder
BAT1
10-12,14
PCI Slots
32-bit PCI
connector
PCI 1 to 4
13
CD Audio
4-pin
CD1
15
Fan
3-pin
Fan1
16
N/A
17
Socket 7
321-pin PGA U6
18
Power
Supply
20-pin
CN1
19
CPU Core
Voltage
Select
5, 2-pin
JP7-11
20
Clock
Multiplier
3, 2-pin
JP4-6
21-23
DIMM
Sockets
168-pin
DIMM
DIMM 1 to 3
24
Mouse
Miniature
6-pin
PS1 (1/2)
25
Keyboard
Miniature
6-pin
PS1 (1/2)
26
Back USB
Dual 4-pin
USB1
27
Serial Port
DSUB 9-pin
Con1
28
Parallel Port DSUB 25-pin PJ1
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series
http://www.compaq.com/athome/support/msgs/7400/bdjum2.html (3 of 4) [1/8/2002 3:52:46 PM]