Dell Precision WorkStation 420 - Desktop System Board Labels

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 Connector and Socket Labels
RIMMs
Connector or Socket Label
Description
AGP
AGP graphics card slot
AUX_LED
Hard-disk drive LED connector
Battery
Battery socket
CD_IN
CD-ROM audio interface connector
DISKETTE
Diskette/tape drive interface connector
ENET
Integrated NIC connector
EXT_SPKR
External speaker connector
FAN_CCAG
Card cage area fan power connector
FAN_SYS
Microprocessor fan power connector
HD_LED
Hard-disk drive
IDEn
EIDE interface connector
KEYB
Keyboard connector
LINE_OUT
External speaker connector
LINE_IN
Audio input connector
MIC
Microphone connector
MONITOR
Video connector
MOUSE
Mouse connector
MPWR1
Main power 1 connector (desktop)
MPWR2
Main power 2 connector (desktop)
MTPWR1
Main power 1 connector (mini tower)
MTPWR2
Main power 2 connector (mini tower)
PANEL
Control panel connector
PARALLEL
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
RIMM_x
RIMM socket
SCSI
External SCSl port connector
SCSI_LVD
Internal LVD SCSl connector
SCSI_NARROW
Internal SCSl Narrow connector
SERIAL1/2
Serial port connectors
STANDBY_LED
Standby power LED
STR_LED
Suspend-to-RAM LED
USB
USB connectors
TAPI
Modem connector
WOL
Remote Wakeup on LAN power connector