Service Manual version 1008
OP 1200/1500/1700 (PC920 Intel 945G)
6-64
6.1.6.14. CN4: Power LED & EXT. KB/MS, USB
Pin #
Signal
Pin #
Signal
1
VCC
2
VCC
3
HDD LED
4
LAN LED
5
Suspend LED
6
IRTX
7
KEY
8
IRRX
9
BACKLIGHT CTRL INPUT
10
CIRRX (Option)
11
GND
12
GND
13
SPK-LO
14
SPK-RO
15
SPK-LN
16
SPK-RN
17
GND
18
GND
19
USB P2-
20
EXT.KBDAT
21
USB P2+
22
EXT.KBCLK
23
USB P3-
24
EXT.MSDAT
25
USB P3+
26
EXT.MSCLK
6.1.6.15. IOINF 1:I/O Connector
The PC920’s onboard I/O signal for LAN, USB, keyboard, mouse, VGA, COM ports and parallel port are
all mixed in the IOINF1 slot. By plugging an IO-005 I/O board and connected to another IO-006 I/O
board, all the onboard signal are connected to the system external I/O ports. Please be noted that the
IOINF1 is a slot in AGP slot form, but it is not to be plugged with any AGP card.
Summary of Contents for OP 1200
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