Dell Precision 330 User Manual
Page 65

Jumpers
The following figure shows the location of the jumpers on the system board.
System Board Jumpers
To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.
The following table lists the system board jumpers and their settings.
KYBD
PS/2 keyboard connector
L_IN
Line-in connector
L_OUT
Line-out/speaker connector
MIC
Microphone connector
MICROPROCESSOR
Microprocessor with heat sink
MSE
PS/2 mouse connector
NIC
NIC connector
PANEL
Control-panel connector
PAR
Parallel port connector
PCIn
PCI expansion-card connector
POWER
System power connector
PSWD
Password jumper
RIMM_n
RIMM socket
RTCRST
Real-time clock reset jumper
SER
Serial port connectors
SPKR
External speaker
STANDBY_LED
Standby power indicator
STR
Suspend-to-RAM indicator
TAPI
Telephony connector
USB
Port 2 USB connectors (2)
USB2
Port 1 USB connectors (2)
VRM
VRM connector
NOTICE:
Ensure that your system is turned off before you change a jumper setting. Otherwise, damage to your system or unpredictable results may occur.
System-Board Jumper Settings
Jumper
Setting
Description
PSWD
(default) Password features are enabled.
Password features are disabled.
RTCRST
Real-time clock reset. Can be used for troubleshooting.