42 Intel
®
Server Board S5500BC User’s Guide
LED Information
The Intel
®
Server Board 5500BC includes LEDs that can aid in troubleshooting your
system. The following lists these LEDs with a description of their use.
LED Name Function Location LED Color Notes
ID Aid in server function
from the back panel
Front Panel
and board
rear left
corner
Blue Press ID LED button or user
Server Management software
to turn off the LED.
System fault Visible fault warning Front panel
and board
rear left
corner
Green or
Amber
• On = No Fault
• Green Blink = degraded
• Amber = critical error or
non-recoverable
• Amber blink = non-critical
IDE activity Front panel Front panel
and board left
side
Green Blinking = Activity. No action
required.
Memory fault 1-8 Identify failing
memory module
DIMM end
front of board
Amber On = Fault
POST code 1-8 Display boot 80 POST
code
Left rear of
board
Each LED
can be Off,
Green,
Amber, Red
See the POST code table
Fan Pack Fault Warn on fan failure Front center
board
Amber On = Fault
CPU 1 & 2 Fan
Fault
Identify fan failure Front center
board
Amber On = Fault
CPU 1 & 2 Fault Identify processor
failure
1 inch behind
processor
socket
Amber On = Fault
5v Standby Identify 5 V standby
power on state
Front left
board
Amber On = 5 V standby power on
Power LED Identify the power
state of the system
Front Panel Green
• Off = Power is off (off or
S5)
• On = Power on or S0)
• Slow Blink = Low power
state (S1 - S3)