34 About Your Computer
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System Board Labels
1 Floppy drive connector 13 Front panel audio connector
2 Battery 14 Video connector (upper) and audio
connectors (lower)
3 EIDE2 connector 15 Modem connector
4 EIDE1 connector 16 Network connector (upper) and USB
connectors (2) (lower)
5 Front panel connector 17 Keyboard (lower) and mouse (upper)
connectors
6 PCI riser board (small mini-
tower computer only)
18 Diagnostic lights
7 Standby power light 19 Parallel port (upper) and serial port
(2)(lower) connectors
8 PCI3 connector 20 Fan connector
9 PCI4 connector 21 Microprocessor and heat sink
10 PCI2 connector 22 Memory module (DIMM) connectors
11 PCI1 connector 23 DC power connector
12 CD audio connector 24 System board speaker
Connector or Socket Description
AUDIO Line-in, line-out, and microphone jacks
AUX_PWR Standby power light
BATTERY Battery socket
CD_IN CD drive audio cable connector
DIAG_LED Diagnostic lights
DIMM_A and
DIMM_B
Dual in-line memory module (DIMM) sockets
DSKT Floppy drive interface connector
FAN Microprocessor fan connector
FRONTAUDIO Front panel audio connector for onboard audio
FRONTPANEL Front panel cable connector
IDE1 Primary IDE interface connector
IDE2 Secondary IDE interface connector
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