Standard External Connectors - Abit AR5 User Manual

Installing the Mainboard
¬ Standard External Connectors
Inside the case of any computer several cables and plugs have to be
connected. These cables and plugs are usually connected one-by-one to
connectors located on the mainboard. You need to carefully pay attention to
any connection orientation the cables may have and, if any, notice the position of
the first pin of the connector. In the explanations that follow, we will describe
the significance of the first pin.
J6 - Keylock connector Please pay attention to pin position and orientation
This connector has a specific orientation. Connect the five-thread keylock
connector cable to the J6 connector pins on the mainboard.
Pin number
20
19
18
17
16
Computer
Knowledge
Name or significance of signal
+5VDC
No connection
Ground
Keyboard inhibit Signal
Ground
The "keylock switch" is used to lock the computer' s keyboard.
This disables the keyboard so that unauthorized persons cannot
use it. When this function is in use, you will need to use the
unlock key to activate the keyboard.
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