Note 1: Refer to Page 2-18 for information on the rear UID LED (LED1).
Note 2: For the information on Memory Fault LEDs, please refer to Page
1-6.
B
Onboard Power LED
An Onboard Power LED is located at
LED2 on the motherboard. When this
LED is on, the system is on. Be sure to
turn off the system and unplug the power
cord before removing or installing com-
ponents. See the tables at right for more
information.
Onboard PWR LED Indicator
LED States
LED Color Denition
Off System Off (PWR cable
not connected)
Green System On
Green:
Flashing
Quickly
ACPI S1 State
A
BMC Heartbeat LED
A BMC Heartbeat LED is located at
BMC_HB_LED1 on the motherboard.
When this LED is blinking, BMC functions
normally. See the table at right for more
information.
BMC Heartbeat LED
States
Color/State Denition
Green:
Blinking
BMC: Normal
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