INSTALLATIONS
24
IB880 User’s Manual
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Pin #
Signal Name
RS-232
R2-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
RTS-
NC
7
RTS
RTS+
NC
8
CTS
CTS+
NC
9
RI
CTS-
NC
10
NC
NC
NC
J20: IrDA Connector
J20 is used for an optional IrDA connector for wireless communication.
Pin #
Signal Name
1
+5V
2
No connect
3
Ir RX
4
Ground
5
Ir TX
J21: ATX Power Supply Connector
Signal Name
Pin #
Pin #
Signal Name
3.3V
11
1
3.3V
-12V
12
2
3.3V
Ground
13
3
Ground
PS-ON
14
4
+5V
Ground
15
5
Ground
Ground
16
6
+5V
Ground
17
7
Ground
-5V
18
8
Power good
+5V
19
9
5VSB
+5V
20
10
+12V
11 1
20 10
Summary of Contents for IB880
Page 1: ...IB880 Socket 479 Pentium M Intel 855GME 5 25 SBC USER S MANUAL Version 1 0 ...
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Page 8: ...INSTALLATIONS 4 IB880 User s Manual Board Dimensions ...
Page 31: ...INSTALLATIONS IB880 User s Manual 27 mov cl 30h ...
Page 57: ...BIOS SETUP IB880 User s Manual 53 This page is intentionally left blank ...