Introduction
1
12
I/O Connectors
• 2 connectors for 4 additional external USB 2.0/1.1 ports
• 1 connector for 1 external IEEE 1394 port
• 1 front audio connector for external line-out and mic-in jacks
• 1 connector for an external game/MIDI port
• 2 internal audio connectors (CD-in and AUX-in)
• 1 S/PDIF connector for optical cable connection
• 1 connector for IrDA interface
• 2 Serial ATA connectors
• 2 IDE connectors
• 1 floppy connector
• 2 ATX power connectors (20-pin and 4-pin 12V)
• 1 Wake-On-LAN connector
• 1 opened chassis alarm connector
• CPU fan, chassis fan and 2nd fan connectors
1.1.2 System Health Monitor Functions
The system board is capable of monitoring the following “system
health” conditions.
• Monitors CPU/system temperature and overheat alarm
• Monitors CPU/1.5V/5VSB/VBAT/3.3V/5V/±12V voltages and
failure alarm
• Monitors the speed of the CPU, chassis and 2nd fans and fail-
ure alarm
• Automatic chassis fan and 2nd fan on/off control
• Read back capability that displays temperature, voltage and fan
speed
• Opened chassis alarm
Refer to the “PC Health Status” section in chapter 3 and the
“Hardware Monitor” section in chapter 4 for more information.
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