Service Manual version 1008
MP1200/MP1500 (PC920 Intel 945G)
6-58
6.1.5.10. COM2
COM2 is a RS-232, 422 or 485, selected via BIOS setup.
Pin # Signal
Pin # Signal
1
DCD/422TX-
2
DSR
3
RXD/422TX+
4
RTS
5
TXD/422RX+
6
CTS
7
DTR/422RX-
8
RI
9
GND
10
KEY
6.1.5.11. COM3
COM 3 is an internal RS-232 reserved for touchscreen. Its corresponding pin assignment is listed as
below;
Pin # Signal
Pin # Signal
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
10
VCC
6.1.5.12. CD1: CD Audio IN
Pin # Signal
1
Left channel
2
CD GND
3
CD GND
4
Right channel
6.1.5.13. IR: IR/CIR Connector
IR
Pin # Signal
1
5V
2
NC
3
IRRX
4
GND
5
IRTX
6
CIRRX
Содержание MP1200
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