Manual
Page 25
... switch, power LED, hard drive activity LED, speaker and etc. If a problem is operating. Press the reset switch to restart the computer if the computer freezes and fails to perform a normal restart. •• CI (Chassis Intrusion Header, Gray): Connects to the hard drive activity LED on the chassis front panel...
... switch, power LED, hard drive activity LED, speaker and etc. If a problem is operating. Press the reset switch to restart the computer if the computer freezes and fails to perform a normal restart. •• CI (Chassis Intrusion Header, Gray): Connects to the hard drive activity LED on the chassis front panel...