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Chapter 2 Installation 33
CD Audio connector (CN10)
This connector is used to connect to a CD audio cable.
CD Audio connector (CN10)
Pin Signal
1 CD_L
2 GND
3 CD_R
4 GND
Keyboard and mouse connector
(CN11)
The mainboard 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 (CN11)
Pin Signal
1 KB DATA
2 GND
3 MS DATA
4 N/C
5 KB CLOCK
6 Vcc
7 MS CLOCK
8 N/C