A - I/O Connections
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I/O connectors

This motherboard has integrated audio ports, USB ports, PS/2 keyboard and mouse ports, serial ports, a parallel port, and a VGA connector. On the graphic, click the links for more information.

Audio Ports

The integrated audio is interfaced through these two 0.125-inch stereo connectors. The Line out port is on top, and the Microphone in port is on the bottom.

USB Ports

USB portsThe motherboard has two USB ports. Each port has the standard four-wire connection described in the following table.

PinDescriptionComment
1VCCCable power
2 – data 
3 + data 
4GroundCable ground

Parallel, Serial, and VGA Ports

Parallel portThe motherboard's parallel port is stacked on top of the serial and VGA ports. The pinouts are listed in the following table.
Serial portThe motherboard's single serial port is located beside the VGA port. The pinouts for the port are listed in the following table.
VGA portThe motherboard's VGA port is located beside the serial port. The pinouts for the port are listed in the following table.

Parallel port pinouts
PinDescriptionPinDescription
1Strobe2PD0
3PD14PD2
5PD36PD4
7PD58PD6
9PD710Acknowledge
11Busy12PE
13Select14Auto-feed
15Error16Initialization
17Select-in18Logic-ground
19Logic-ground20Logic-ground
21Logic-ground22Logic-ground
23Logic-ground24Logic-ground
25Logic-ground26Shell-ground
27Shell-ground  
Serial port pinouts
PinDescriptionPinDescription
1DCD2RXD
3TXD4DTR
5Logic-ground6DSR
7RTS8CTS
9RI10Shell-ground
11Shell-ground  
VGA port pinouts
PinDescriptionPinDescription
1Red2Green
3Blue4No connection
5Logic-ground6Red ground return
7Green ground return8Blue ground return
9+5 V power10Logic-ground
11No connection12DDC DAT
13Horizontal synchronization14vertical synchronization
15DDC CLK16Logic-ground
17Logic-ground  

PS/2 Ports

PS/2 PortsThe motherboard has two standard PS/2 ports. The ports are interchangeable for mouse or keyboard. The pinouts are described in the following table.

PinDescriptionPinDescription
1Data2No connection
3Logic-ground4Vcc
5Clock6No connection
7Shell-ground8Shell-ground
9Shell-ground  
Pins 7, 8, and 9 are connector mounting hole pins connected to the metal connector housing.

NIC

RJ-45 connectionThis connector is an RJ-45 connector for interfacing with the motherboard's integrated Intel Kinnereth 10/100 LAN controller.

LED colorLED stateCondition
GreenOff10-Mbps data rate is selected.
On100-Mbps data rate is selected.
YellowOffLAN link is not established.
On (steady state)LAN link is established.
On (brighter and pulsing)The computer is communicating with another computer on the LAN.