F u l l - s i z e C P U C a r d
S B C - 8 6 0
Chapter 2 Quick Installation Guide
2 - 18
25
PDIOR#
26
GND
27
PIORDY
28
GND
29
PDDACK#
30
GND
31
IRQ14
32
N.C
33
PDA1
34
P66DET
35
PDA0
36
PDA2
37
PDCS#1
38
PDCS#3
39
IDEACTP#
40
GND
2.20 Serial Port COM2 (CN7)
COM 2 supports RS-232/422/485 mode, which allows you to connect
serial devices (mouse, printer, etc.)
COM 2/RS-232 Mode (CN7)
Pin
Signal
Pin
Signal
1
DCDB
2
RXB
3
TXB
4
DTRB
5
GND
6
DSRB
7
RTSB
8
CTSB
9
RIB
10
N.C
COM 2/RS-422 Mode (CN7)
Pin
Signal
Pin
Signal
1
TXD-
2
RXD+
3
TXD+
4
RXD-
5
N.C
6
N.C
7
N.C
8
N.C
9
GND
10
N.C
COM 2/RS-485 Mode (CN7)