Keyboard Connector; Power Led And Keyboard Lock Connector - Intel 486MIS Quick Start Manual

Keyboard Connector

The keyboard connector is a 5-pin, circular-type DIN socket. It is used to
connect the system board keyboard interface to any standard AT-
compatible keyboard (84 or 101 -key type keyboards).
assignments are listed below:
Pin
1
2
3
4
5

Power LED and Keyboard Lock Connector

The Power LED and Keyboard Lock connector (KLOCK) is 5-pin keyed
BERG strip. It is used to connect +5 VDC power to the power indicator
LED at the front panel and connect security keyboard lock to the
keyboard controller. This allows you to switch off the keyboard and so
provide limited security against casual intruders. The pin assignments
are indicated below:
Pin
1
2
3
4
5
Page 14
Description
Keyboard Clock Signal
Keyboard Data Signal
Not Used
Ground
+5V Fused VDC
Description
LED Power
Key (No Connection)
Ground
Keyboard Lock
Ground
486MIS System Board User's Manual
The pin