Intel SE7520JR2 User Guide - Page 48

LED Information, On = Power on or S0 - diagnostic leds

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Troubleshooting LED Information The Intel® Server Board SE7520JR2 includes LEDs that can aid in troubleshooting your system. A table of these LEDs with a description of their use is listed below. LED Name ID System fault Function Aid in server identification from the back panel Visible fault warning Location Control panel and board rear left corner Control panel and board rear left corner Color Blue Green or Amber ATA drive activity Memory fault 1-6 Diagnostic LEDs. 1-4 (LSB, bit1, bit2, MSB) CPU 1 & 2 Fan Fault CPU 1 & 2 Fault 5v Standby Power LED Control panel Identify failing memory module Displays port 80 POST codes Identify fan failure Identify processor failure Identify 5v standby power on state Identify the power state of the system Control panel Green DIMM end rear of board Center back edge of board Amber Each LED can be Off, Green, Amber, Red Front center board Amber 1" behind processor socket Front left board Amber Amber Control Panel Green Notes Press ID LED button or user Server Management software to turn on the LED. ƒ Green = No Fault ƒ Green Blink = degraded ƒ Amber = critical error or non-recoverable ƒ Amber blink = non- critical Blinking = Activity. No action required. On = Fault See the POST code table On = Fault On = Fault On = 5v standby power on ƒ Off = Power is off (off or S5) ƒ On = Power on or S0) ƒ Slow Blink = Low power state (S1 - S3) 48

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Troubleshooting
LED Information
The Intel
®
Server Board SE7520JR2 includes LEDs that can aid in troubleshooting your system. A
table of these LEDs with a description of their use is listed below.
LED Name
Function
Location
Color
Notes
ID
Aid in server
identification from the
back panel
Control panel and
board rear left
corner
Blue
Press ID LED button or user
Server Management
software to turn on the LED.
System fault
Visible fault warning
Control panel and
board rear left
corner
Green or Amber
Green = No Fault
Green Blink =
degraded
Amber = critical error
or non-recoverable
Amber blink = non-
critical
ATA drive
activity
Control panel
Control panel
Green
Blinking = Activity. No action
required.
Memory fault
1–6
Identify failing memory
module
DIMM end rear of
board
Amber
On = Fault
Diagnostic
LEDs. 1–4
(LSB, bit1, bit2,
MSB)
Displays port 80 POST
codes
Center back edge of
board
Each LED can be
Off, Green,
Amber, Red
See the POST code table
CPU 1 & 2 Fan
Fault
Identify fan failure
Front center board
Amber
On = Fault
CPU 1 & 2
Fault
Identify processor failure
1” behind processor
socket
Amber
On = Fault
5v Standby
Identify 5v standby
power on state
Front left board
Amber
On = 5v standby power on
Power LED
Identify the power state
of the system
Control Panel
Green
Off = Power is off (off
or S5)
On = Power on or S0)
Slow Blink = Low
power state (S1 – S3)
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