AT keyboard connector
(DIN5)
Connector Pin #
|
Purpose
|
Pin 1
|
KBDCLK
(clock)
|
Pin 2
|
KBDAT (data)
|
Pin 3
|
KBRST
(reset, not used)
|
Pin 4
|
GND
|
Pin 5
|
VCC (+5V)
|
|
|
PS/2 keyboard connector
(MINI-DIN6)
Connector Pin #
|
Purpose
|
Pin 1
|
KBDAT (data)
|
Pin 2
|
not used
|
Pin 3
|
GND
|
Pin 4
|
VCC (+5V)
|
Pin 5
|
KBDCLK
(clock)
|
Pin 6
|
not used
|
|
|
Note:
PS/2 mouse connector pinout is identical to PS/2 keyboard.