The
AZZA
P4X2-A MAINBOARD SERIES
Page 17
2.4.5. ATX Power Supply Connectors
Connector:
CN 15-A/ CN15-B/ CN15-C
Type:
20 pin block/2x2 12V/1x6
The mainboards in this series all come with three onboard power supply connectors labled
from CN15-A to CN15-C. CN15-A and the CN15-B are regular ATX power supply connectors
that have been used on all recent motherboards. The CN15-C power connector is for a
+3.3V and +5V power supply. These increased power supplies are necessary to provide ex-
tra power for the slot. The ATX 12V power supplies are all downward compatible with stan-
dard ATX power supplies.
2.4.3. Standard Infrared Connector
(Optional for P4X2-AS, P4X2-AV and
P4X2-AC)
Connector:
CN 12
Type:
5 pin
The SIR connector supports an optional wireless transmitting and receiving module. You
must configure UART 2 to select whether UART 2 is directed for use with COM 2 or IrDA.
2.4.4. CPU Fan and Chassis Fan Connector
Connector:
CN 13 (CPU Fan 1)/CN 17 (Chassis Fan)
Type:
3 pin
The cooling fans must be connected to their respective power connectors.
Fan Signal
+12V DC
Ground
1 Ground
2 +12V DC
3 Fan Signal
Top View of a Fan Connector
Front View of a Fan Connector
1 5V DC
2 No Connection
3 IR Reciever
4 Ground
5 IR Transmitter
Top View of an IR Connector
5V DC
IR Receiver Ground IR Transmitter
Front View of an IR Connector
Hard
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In
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Hardware Installation