Filter
Top Products
127
www.gateway.com
Diagnostic LEDs
The BIOS sends a 1-byte hex code to port 80 prior to each POST task. These codes are
displayed on four tri-colored LEDs, located on the system board and available at the back
of the server chassis. They can provide troubleshooting information in the event of a
system hang during POST.
DIMM Fault Identify failing
memory module
On the system
board, at the
back of each
DIMM socket
Orange On = Fault
POST Code
diagnostic
LEDs 1-4
(LSB, bit1,
bit2, MSB)
Display boot 80
POST code
On the left back
of the system
board
Each LED
can be
Off,
Green,
Orange,
or Red
See the following Post Code
Table
CPU 1 and 2
Fan Fault
Identify fan
failure
At the front
center of the
system board
Orange On = Fault
CPU 1 and 2
Fault
Identify
processor failure
On the system
board, 1” behind
the processor
socket
Orange On = Fault
5v Standby Identify 5v
standby power
on state
At the front left of
the system board
Orange On = 5v standby power on
Power LED Identify the
power state of
the system
Front panel Green
■
Off = Power is off (or S5)
■
On = Power is on (or S0)
■
Slow blink = Low power
state (S1-S3)
LED Name Function Location Color Description
8510522.book Page 127 Wednesday, March 16, 2005 11:19 AM