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Introduction
Rear Panel I/O Ports (PC 99 color-coded connectors)
• 1 PS/2 mouse port
• 1 PS/2 keyboard port
• 1 DB-9 serial port
• 1 DB-25 parallel port
• 4 USB 2.0/1.1 ports
• 1 IEEE 1394 port
• 1 RJ45 LAN port
• 2 S/PDIF RCA jacks (S/PDIF-in and S/PDIF-out)
• 3 audio jacks: line-out, line-in and mic-in
• 2 audio jacks for center/bass and rear out
I/O Connectors
• 2 connectors for 4 additional external USB 2.0/1.1 ports
• 2 connectors for 2 external IEEE 1394 ports
• 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
• 4 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
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