User Guide

2-8 Chapter 2
FAN1(CPU FAN), FAN2 , FAN3 : DC-FAN Power Connector
Pin number Name or significance of signal
1 Ground
2 +12V
3 Sense signal
IR - IR Connector(Infrared)
Pin number Name or significance of signal
1 +5Vcc
2 No connection
3 IR_RX
4 Ground
5 IR_TX
I/O port connectors
Name
Pin number
Description
IDE1 40 IDE channel 1 connector
IDE2 40 IDE channel 2 connector
FDC 34 Floppy disk connector
LPT 25 Parallel port
COM1 9 Serial port COM1 connector
COM2 9 Serial port COM2 connector
USB 8 Universal serial Bus
Notes: *IDE1, IDE2 are high performance PCI IDE connectors. Up to
four IDE interface devices are supported.