Abit IT5A, Руководство пользователя

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2-4 Chapter 2
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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 explanation that follows, we will describe
the significance of the first pin.
Fig 2-1 External connectors layout
PN2 - 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 PN2 connector pins on the mainboard.
Pin number Name or significance of signal
1 +5VDC
2 No connection
3 Ground
4 Keyboard inhibit Signal
5 Ground