Half-Size CPU Ca r d
S B C - 6 5 7 B / H S B - 6 5 7 I
Chapter 2 Quick Installation Guide
2 - 17
2.15 Keyboard and Mouse Connector (CN2)
The mainboard BIOS Advanced setup menu allows you to select
“Present” or “Absent” under the “System Keyboard” section, allows
no-keyboard operation in embedded system applications without the
system halting under POST (power-on-self-test).
Pin
Signal
1
KB_DATA
2
MS-DATA
3
GND
4
+5VSB
5
KB_CLK
6
MS_CLK
2.16 Parallel Port Connector (CN3)
Pin
Signal
Pin
Signal
1
#STROBE
2
#AFD
3
DATA0
4
#ERROR
5
DATA1
6
#INIT
7
DATA2
8
#SLIN
9
DATA3
10
GND
11
DATA4
12
GND
13
DATA5
14
GND
15
DATA6
16
GND
17
DATA7
18
GND
19
#ACK
20
GND
21
BUSY
22
GND
23
PE
24
GND
25
SELECT
26
N.C