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2171 and 2172 System Board Connector Function
Connector Function Connect to
CN1 Universal Serial Bus (USB)
connector
USB device
CN2 ATX Power Supply Connector Power supply
CN3 Upper: PS/2 mouse connecto
Lower: PS/2 keyboard connecto
PS/2 pointing device
PS/2 keyboard
CN4 Upper: Printer port
Lower-left: COM1
Lower-right: COM2
Printer or parallel device
Serial device
Serial device
CN5 Flopy diskette drive connector Diskette drive
CN6 Upper: Game port (15-pin female)
Lower: (R-to-L)
Microphone-in port
Stereo line-in port
Stereo line-out port
Joystick
Microphone
Audio signal input
Speaker
CN7 Wake-on LAN connector LAN adapter card
CN8 CD/DVD audio input connector CD/DVD-ROM drive
CN9 Power button connector Power button
CN10 Secondary IDE channel IDE drive
CN11 Primary IDE channel IDE drive
CN12 Modem voice line-in connector Modem card
CN13 Modem ring-in connector Modem card
CN14 Hard disk LED connecto HDD LED
JP4 Turbo LED connector Reserved
JP5 Reset Switch Reserved
JP7 Power LED connector Power LED
FN1 Fan alarm connector Processor fan
FN2 Fan connector Processor fan
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