Technical Reference Guide 3–29
Installing or Replacing Parts
Front Control Module
The front control module contains these connectors and components:
■ Front-access USB connector
■ Microphone and headphone connectors (optional)
■ IEEE-1394 FireWire connector (not supported)
■ Power button
■ System status LED
■ Temperature sensor
■ Chassis intrusion switch
■ Disk activity LED
■ LAN activity LED
Removing the Front Control Module
1. Turn off the system, disconnect all cables, and remove the system access panels.
2. Disconnect the front control module cables.
Location of front control module cables and connections
1 Power 4 Audio (plugged into optional PCI card)
• Microphone (a)
• Headphone (b)
2 USB 5 Temperature sensor
3 Chassis speaker 6 Chassis intrusion switch