Dell PRECISION 530 - Manual (Page 26)

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Jumpers
The following figure shows the location of the jumpers on the system board.
S y s t e m B o a r d J u m p e r s
NOTICE: Before changing a jumper setting, verify that the standby power
light on the system board has turned off. Otherwise, damage to your computer
or unpredictable results may occur. To locate this light, see "
System Board
Components ."
To change a jumper setting, pull the plug off its pin(s) and carefully fit it
down onto the pin(s) indicated.
SCSI LVD SCSI connector
SPKR System board speaker
STANDBY_LED Standby power light
STR_LED Suspend-to-RAM light
TAPI/MODEM Telephony connector
USB_NIC Network and Port 2 USB (2) connectors
VRM_0 VRM 0 connector
VRM_1 VRM 1 connector
S y s t e m B o a r d L a b e l s (continued)
Connector or Component Label
PSWD
RTCRST