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 compo-
nents. See the table on the right for more
information.
Onboard PWR LED Indicator
LED Settings
LED Color Status
Off System Off (PWR cable
not connected)
Green System On
Green: Flash-
ing Quickly
ACPI S1 State
A. PWR LED
B. Rear UID LED
A
B
Rear UID LED
The rear UID LED is located at LED3 on
the rear of the motherboard. This LED
is used in conjunction with the rear UID
switch to provide easy identication of a
system that might be in need of service.
Refer to UID Switch on page 2-23 for
more information.
UID LED
Status
Color/State Status
Blue: On Unit Identied
Blue: On Unit Identied