Abit AX5, Instruction Booklet

Page: 20 / 119

2-4 Chapter 2
-
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.
PN1 - 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 PN1 connector pins on the mainboard.
Pin number Name or significance of signal
1 +5VDC power LED
2 No connection power LED
3 Ground power LED
4 Keyboard inhibit Signal key lock
5 Ground key lock
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.
Computer
Knowledge