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Chapter 2: Hardware installation
BIH11-IHP User’s Manual
2.7 Headers & Connectors
JATXPWR1: ATX Power Source Connector
For better compatibility, we recommend to use a standard ATX 20-pin power supply for this
connector. Make sure to find the correct orientation before plugging the connector.
Pin Assignment
Pin Assignment
1
3.3V
11
3.3V
2
3.3V
12
-12V
3
Ground
13
Ground
4
5V
14
PS_ON
5
Ground
15
Ground
6
5V
16
Ground
7
Ground
17
Ground
8
PW_OK
18
-5V
9
5VSB
19
5V
10
12V
20
5V
DC2: ATX Power Source Connector
The connector pr12V to the CPU power circuit.
Pin Assignment
1
+12V
2
+12V
3
Ground
4
Ground
JATX1: AT/ATX Power Switch Header
Pin 1-2 Close: AT
Pin 2-3 Close: ATX (Default)
