5-10
2153/Celeron System Board Connectors and
Functions
Table 5- 5 System Board Connector Functions
Connector Function
CN1 ATX 20-pin power connector
CN2 USB ports
CN3
Upper: PS/2 mouse port
Lower: PS/2 keyboard port
CN4
Upper: Parallel port
Lower: VGA port (left)
COM1 port (right)
CN5 Primary IDE connector
CN6 Secondary IDE connector
CN7 Floppy disk drive connector
CN8 Upper: Game/MIDI port
Lower: (L-to-R)
Stereo line-out port
Stereo line-in port
Mono microphone-in port
CN9 ATI Multimedia Connector(AMC)
CN10 Power switch connector
CN11 Reset connector
CN12 Modem microphone-in and speaker-out connector
CN14 CD line-in connector
CN15 IrDA connector
CN16 Wake-on LAN connector
CN17 Modem ring-in connector
CN18 HDD LED connector
CN19 System speaker connector
CN20 Audio connector(for CS4610 adapter card)
CN21 Turbo LED connector
CN22 3-Pin power connector
FN1 3-Pin fan connector
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