1
Introduction
11
designed to make inventory, maintenance and troubleshooting of
computer systems easier. Refer to chapter 4 for instructions on
using the DMI utility.
Rear Panel I/O Ports (PC 99 color-coded connectors)
• 2 USB 2.0/1.1 ports
• 1 RJ45 LAN port
• 2 DB-9 serial ports
• 1 DB-25 parallel port
• 1 mini-DIN-6 PS/2 mouse port
• 1 mini-DIN-6 PS/2 keyboard port
• 1 game/MIDI port
• 3 audio jacks: line-out, line-in and mic-in
I/O Connectors
• 3 connectors for 6 additional external USB 2.0/1.1 ports
• 1 front audio connector for external line-out and mic-in jacks
• 1 CD-in internal audio connector
• 1 surround connector
• 1 S/PDIF-in/out connector
• 1 connector for IrDA interface
• 2 Serial ATA connectors
• 2 IDE connectors
• 1 floppy drive interface supports up to two 2.88MB floppy
drives
• 2 ATX power supply connectors
• 1 Wake-On-LAN connector
• 1 opened chassis alarm connector
• CPU fan, chassis fan and second 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 fan speed of the CPU fan, chassis fan and sec-
ond fan; and failure alarm
