Chapter Five : Advanced Motherboard Setup
45
Power Fault
Connect a cable from your power supply to JP12 to provide warning of power supply
failure. This warning signal is passed through the PWR_LED pin to indicate of a power
failure on the chassis.
Alarm Reset Jumper Settings (JP12)
Jumper Position
Definition
1 PWR#1
2 PWR#2
3 PWR#3
4 Signal:
Alarm
Reset
Onboard Indicators
GLAN LEDs
The Gigabit Ethernet LAN port (located beside the COM2 port) has two LEDs. The
yellow LED indicates activity while the other LED may be green, orange or off to
indicate the speed of the connection.
G-bit LAN Right LED Indicator
LED Color
Definition
Off No
Connection
Green 100
Mb/s
Orange 1000
Mb/s
Overheat LED (JOH1)
Connect an LED to the JOH header to provide warning of chassis overheating.
Overheat LED Pin Definitions (JOH1)
Pin Number
Definition
1 +5V
2 OH
Active