The P4XE-ANB Mainboard
Page 16
Hardware Installation
2.5.4. ATX Power Supply Connectors
Connector: CN15-A/CN15-B/CN15-D
Type: 20 pin block/2x2 12V/1x4 AUX12V
The mainboard comes with three onboard power supply connectors labeled
CN15-A, CN15-B and CN-15D. CN15-A and CN15-B are regular ATX12V power
supply connectors. CN15A and CN15D are regular ATX power supply connec-
tors. The auxiliary power supply connector (CN15-D) is for a +12V and +5V
power supply. These increased power supplies are necessary to provide extra
power for the slot. The ATX 12V power supplies are all downward compatible
with standard ATX power supplies.
ATX Power Supply Connector
Pin 1
+3
.3V
DC
+3
.3V
DC
COM
+5
VD
C
COM
+5
VD
C
COM
PWR
_OK
+5
VS
B
+1
2V
DC
+3
.3V
DC
-1
2V
DC
COM
PS
_O
N#
COM
COM
COM
-5
VDC
+5
VD
C
+5
VD
C
Pin 11
Pin 1 Pin 3
COM
COM
+12VDC
+12VDC
ATX12V Power Supply Connector
Auxiliary Power Supply Connector
Pi
n 4
Pi
n 3
Pi
n 2
Pi
n 1
+5
VD
C
COM
COM
+1
2V
DC