Dell OptiPlex GX240 Service Manual page 140

140 Sy stem Boar d
Connector or Socket
KYBD_MOUSE
MODEM
NIC_USB
PAR_SER1_SER2
PCIn
POWER
12VPOWER
PSWD
RTCRST
SPEAKER
STR
V_RISER
S y s t e m B o a r d J u m p e r
Description
Keyboard and mouse connectors
Telephony connector
Integrated network adapter connector and USB
connectors
Parallel and serial port connectors
PCI expansion card connectors
Main power input connector
12-volt power connector
Password jumper
RTC reset jumper
Internal speaker
Suspend-to-RAM light
Vertical riser board connector; horizontal PCI cards