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Keyboard and Mouse Connector (CN13)
The PCM-6896 provides a keyboard connector which supports
both a keyboard and a PS/2 style mouse. In most cases, especially
in embedded applications, a keyboard is not used. The standard
PC/AT BIOS will report an error or fail during power-on-self-test
(POST) after a reset if the keyboard is not present. The mainboard
BIOS Advanced setup menu allows you to select "Present" or
"Absent" under the "System Keyboard" section. This allows no-
keyboard operation in embedded system applications without the
system halting under POST (power-on-self-test).
Keyboard and Mouse Connector (CN13), Dual mini-din connector
Pin Signal
1 MS CLK
2 KB CLK
3 +5V
4 GND
5 KB DATA
6 MS DATA
7 N/C
8 N/C