Table B-3. Parallel Connector Pin Assignments
PS/2-Compatible Keyboard and Mouse Connectors
The PS/2-compatible keyboard and mouse cables attach to 6-pin, miniature DIN connectors.
Figure B
-4
illustrates the pin numbers for these connectors and
Table B
-4
defines the pin assignments for these connectors.
Figure B-4. Keyboard and Mouse Connector Pin Numbers
Table B-4. Keyboard and Mouse Connector Pin Assignments
Pin
Signal I/O Definition
1
STB#
I/O
Strobe
2
PD0
I/O
Printer data bit 0
3
PD1
I/O
Printer data bit 1
4
PD2
I/O
Printer data bit 2
5
PD3
I/O
Printer data bit 3
6
PD4
I/O
Printer data bit 4
7
PD5
I/O
Printer data bit 5
8
PD6
I/O
Printer data bit 6
9
PD7
I/O
Printer data bit 7
10
ACK#
I
Acknowledge
11
BUSY
I
Busy
12
P E
I
Paper end
13
SLCT
I
Select
14
AFD#
O
Automatic feed
15
ERR#
I
Error
16
INIT#
O
Initialize printer
17
SLIN#
O
Select in
18
–
25
GND
N/A
Ground
Pin
Signal
I/O Definition
1
KBDATA or MFDATA
I/O
Keyboard data or mouse data
2
NC
N/A
No connection
3
GND
N/A
Signal ground
4
FVcc
N/A
Fused supply voltage
5
KBCLK or MFCLK
I/O
Keyboard clock or mouse clock
6
NC
N/A
No connection
Shell
N/A
N/A
Chassis ground
