Parts/Test Point Locations 149
2170 System Board Connector Functions
Connector Function Connect to...
CN1 Universal Serial Bus (USB)
connector
USB device
CN2 USB HUB connector USB HUB device
CN3 Upper: PS/2 mouse port
Lower: PS/2 keyboard port
PS/2 pointing device
PS/2 keyboard
CN4 ATX Power Supply Connector Power supply
CN5 I/O Port:
Upper: Printer port
Lower-left: COM1
Lower-right VGA
Printer or Parallel device
Serial device
Monitor
CN6 HDD LED connector HDD LED
CN7 COM1 Serial device
CN9 Reset button Reset button
CN10 Floppy diskette drive connector Flopy diskette drive
CN11 Primary IDE Channel IDE drive
CN12 Secondary IDE Channel IDE drive
CN15 Upper: Game port (15-pin female)
Lower: (R-to-L)
Microphone-inport
Stereo line-in port
Stereo line-out port
Joystick
Microphone
audio input device
Speaker
CN16 Power LED connector Power LED
CN17 Power Button Connector Power Button
CN18 Wake-up on LAN connector LAN adapter card
CN19 Modem Ring-In connector Modem adapter card
CN20 CD/DVD audio input connector CD/DVD-ROM drive
CN21 Fax-voice modem connector Modem card
FN2 Fan connector Processor fan
JP1 Passive/Active speakers jumpers
JP2 Passive/Active speakers jumpers
JP4 Password check
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