51 PCA-6781 User Manual
Appendix B Pin Assignments
B.1.18External KB/mouse Connector (CN18)
B.1.19ISA Gold Finger (CN21)
B.1.20ATX Suspend Power Connector (CN23)
B.1.21Negative Power Input (CN17)
B.1.22CF Connector (CN24)
B.1.23+12V FAN connector(CN22)
Table B.17: External KB/mouse Connector (CN18)
Pin Signal Pin Signal
1 KBCLK 2 KBDATA
3NC 4GND
5+5 V
Table B.18: ATX Suspend Power Connector (CN23)
Pin Signal Pin Signal
1+5 VSB 2+5 V
3 PS_ON signal
Note! Default value is set CN23 to short pin1-2.
Table B.19: Negative Power Input (CN17)
Pin Signal Pin Signal
1-5 V 2GND
3-12 V
Table B.20: +12 V FAN connector (CN22)
Pin Signal Pin Signal
1
FAN_PWM
2
+12 V
3
FAN-SPD
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