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LAN1 & LAN2 Status Connector (CN9)
The LED can indicate whether LAN1 or LAN2 is active or not and
the following is its pin assignment
Pin
1
3
5
7
1-3PIN
5-7PIN
2-4PIN
6-8PIN
Keyboard & PS/2 Mouse Connector
(CN10)
PCM-6894 provides a connector to support both a keyboard and a
PS/2 style mouse. In most cases, especially in embedded applica-
tions, 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 Advanced setup menu in BIOS allows
you to select "Present" or "Absent" under the "System Keyboard"
section. This allows no-keyboard operating in embedded system
applications without the system halting under POST.
Pin
1
2
3
4
5
6
7
8
Signal
5VSB
LAN1 ACTIVE LED
5VSB
LAN1 LINK LED
LAN1 ACTIVE LED
LAN1 LINK LED
LAN2 ACTIVE LED
LAN2 LINK LED
Signal
KB DATA
KB CLK
GND
5VSB
MS DATA
MS CLK
N.C.
N.C.
Pin
Signal
2
5VSB
4
LAN2 ACTIVE LED
6
5VSB
8
LAN2 LINK LED
Chapter 2 Installation
21
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