
P4B-LA Quick Start Manual 31
3. HARDWARE SETUP
Connectors
3. H/W SETUP
13) ATX Power Supply Connector (20-pin ATXPWR, 4-pin ATX12V)
This connector supports an ATX power supply. The plug from the power supply
will only insert in one orientation because of the different hole sizes. Find the
proper orientation and push down firmly making sure that the pins are aligned.
P4B-LA
P4B-LA ATX &
Auxiliary Power Connectors
ATX12V
ATXPWR
Pin 1
+3.3VDC
-12.0VDC
COM
PS_ON#
COM
COM
COM
-5.0VDC
+5.0VDC
+5.0VDC
PWR_OK
+12.0VDC
+3.3VDC
+3.3VDC
COM
+5.0VDC
COM
+5.0VDC
COM
+5VSB
+12V DC COM
+12V DC COM
Pin 1
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