Arbor Technology FPC-7900 - Page 34

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Engine of the Computer
⑨
23
CPUFAN1, SYSFAN1
Function:
Fan Power Connector
Connector Type:
Onbard 2.54mm pitch 1x4-pin one-wall wafer connector
Pin Assignment:
Pin Description
1
4
1 GND
2 +12V
3 RPM
4 Control
⑩ AUDIO1
Function:
Audio connector
Connector Type:
Double-stacked ø3.5mm stereo audio jacks
Pin Assignment:
Description
Line out
Mic
Line-out
Mic-in
⑪ COM3 (Panel label: COM6, COM5)
⑫ COM2 (Panel label: COM4, COM3)
Function:
RS-232 Serial Port
Connector Type:
External double-stacked 9-pin D-sub male connector
Pin Assignment:
Pin Description Pin Description
5
1
6
9
5
1
6
9
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N.C