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The P4X4-ALH Mainboard
Page 15
Hardware Installation
2.5.1. Floppy Disk Drive Connector
Connector: CN8 (FDC)
Type: 34 pin block
The FDC connector can support two floppy drives. It is located at the front of
the mainboard. To connect, use the ribbon cable that has been provided. Make
sure that the red strip is connected to Pin 1 of the connector.
2.5. Internal Connectors
2.5.2. Primary and Secondary IDE Connectors
Connector: CN9 (IDE1)/CN10 (IDE2)
Type: 40 pin block
The mainboard has two IDE connectors: a primary and secondary. Each IDE
connector can support two IDE drives. The mainboard each can therefore sup-
port up to four IDE devices. If you install two hard drives, you need to config-
ure the second drive to Slave mode in the BIOS setup. Please refer to your
hard drive manual for the appropriate jumper settings.
Top View of an
IDE Connector
20 pins
Pin 1
2.5.3. Infrared Connector (Optional )
Connector: CN12 (IR)
Type: 5 pin
The IR connector supports an optional wireless transmitting and receiving
module. Please make sure the Pin 1 location.
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
Top View of a Floppy
Disk Drive Connector
Pin 1
17 pins