System Board Jumpers
Figure 23 shows the location of the jumpers on the system board. Table1 lists the system board jumpers and their settings.
Figure 23. System Board Jumpers
Jumpers are small blocks on a circuit board with two or more pins emerging from them. Plastic plugs containing a wire fit down over the pins. The
wire connects the pins and creates a circuit.
NOTICE: Make sure your system is turned off before you change a jumper setting. Otherwise, damage to your system or
unpredictable results may occur.
To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.
Table 1. System Board Jumper Settings
22
Auxiliary hard-disk drive access LED connector
23
PCI expansion slots
24
AGP graphics slot
25
Remote wakeup on LAN connector
26
Primary processor 0 socket
27
Network cable connector
28
Diagnostic LEDs
29
USB connectors
30
Secondary processor 1 socket
31
Line-in connector
32
Line-out connector
33
Microphone Connector
34
Mouse/keyboard (stacked)
35
System fan power connector
36
Serial port 1/ serial port 2 (stacked)
37
Parallel port/external SCSI port (stacked)
Jumper
Setting
Description
PSWD
(default)
Password features are enabled.
Password features are disabled.
RTCRST
Real-time clock reset. Can be used for troubleshooting purposes.
jumpered unjumpered