7
Notice: The 4-pin ATX 12V power connector "ATX1" must be connected to the
power supply to provide adequate power to the CPU card. Otherwise system might
be unstable.
CN22 HW Monitor Alarm
Close: Enable OBS Alarm
Open: Disable OBS Alarm
CN27 Extension I/O board connector
CN28 Extension I/O board connector
CN29 SM BUS Connector
PIN1: SMB_DATA
PIN2: SMB_CLOCK
CN30 Extension PCI connector (for SCSI daughter board)
CN31 USB port 0,1
CN32 USB port 2,3
CN34 Ethernet connector 2
CN43 AC97 Link connector
CN44 CF Socket (On Back Side)
SA0 Serial ATA0
SA1 Serial ATA1
ATX1 ATX 12 V Auxillary power connector
VP1 LCD inverter power connector
Table 1.3: SCSI Daughter Board Connectors
CN1 Channel A 68-pin Ultra 160 SCSI Conn ector
CN2 Channel B 68-pin Ultra 160 SCSI Conn ector
CN3 Channel B 50-pin Ultra Wide SCSI Co nnector
Table 1.4: On Board Switch
S1,S2 USB connector(CN6 or CN32) selection switch
SW1 PCI bus selection switch
Table 1.2: Connectors