Dell Precision 220 - Manual (Page 47)

System Board Labels
Table 2 lists the labels for connectors and sockets on your system board, and it gives a brief description of their functions.
Table 2. System Board Connectors and Sockets
Removing and Replacing the AGP Card Brace (Mini Tower Chassis Only)
To access some components on the system board in the mini tower chassis, you may need to first remove the accelerated graphics port (AGP)
card brace that secures an AGP card in the AGP socket.
1. Remove the computer cover as instructed in " Removing the Computer Cover ."
Password features are disabled.
RTCRST Real-time clock reset. Can be used for troubleshooting purposes .
jumpered unjumpered
Connector or Socket Description
AUX_LED Hard-disk drive LED connector
BATTERY Battery socket
CD_IN CD-ROM audio interface connector
RIMM_x RIMM socket
DSKT Diskette/tape drive interface connector
ENET Integrated NIC connector
EXT_SPKR External speaker connector
FAN Microprocessor fan connector
IDEn EIDE interface connector
INTRUSION Chassis intrusion switch connector
KYBD Keyboard connector
MONITOR Video connector
MOUSE Mouse connector
PANEL Control panel connector
PAR Parallel port connector; sometimes referred to as LPT1
PCIn PCI expansion-card connector
POWER_1 Main power input connector
POWER_2 3.3-V power input connector
PROC_0 Primary microprocessor connector
PROC_1 Secondary microprocessor connector
SER Serial port connectors
STANDBY Standby power LED
STR Suspend-to-RAM LED
USB USB connectors
TAPI Telephony connector
WUOL Remote Wakeup power connector
NOTE: Your computer has either an AGP card or an
AGP card clip .
CAUTION: Before you remove the computer cover, see " Safety First —For You and Your Computer ."