Intel SC5400RA User Guide - Page 37

Intel® Light-Guided Diagnostics

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Intel® Light-Guided Diagnostics The server board contains diagnostic LEDs to help you identify failed and failing components and to help you identify the server from among several servers. Except for the ID LED, the status LED, and the +5-volt standby LED, the LEDs turn on (amber) only if a failure occurs. B C A D E F J K A1 C1 A2 C2 A3 C3 A4 C4 B1 D1 G B2 D2 B3 D3 H B4 D4 I Callout A. LED LSB LED B. Bit 1 LED AF001420 Function POST LED. The sequence of lit POST LEDs is used to identify specific errors that might occur during the boot process. See the appendix of the Technical Product Specification for a description of how to read these LEDs. POST LED. The sequence of lit POST LEDs is used to identify specific errors that might occur during the boot process. See the appendix of the Technical Product Specification for a description of how to read these LEDs. Intel® Server System SC5400RA User's Guide 15

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Intel® Server System SC5400RA User’s Guide
15
Intel
®
Light-Guided Diagnostics
The server board contains diagnostic LEDs to help you identify failed and failing
components and to help you identify the server from among several servers. Except for the
ID LED, the status LED, and the +5-volt standby LED, the LEDs turn on (amber) only if a
failure occurs.
Callout
LED
Function
A.
LSB LED
POST LED. The sequence of lit POST LEDs is used
to identify specific errors that might occur during the
boot process. See the appendix of the Technical
Product Specification for a description of how to read
these LEDs.
B.
Bit 1 LED
POST LED. The sequence of lit POST LEDs is used
to identify specific errors that might occur during the
boot process. See the appendix of the Technical
Product Specification for a description of how to read
these LEDs.
AF001420
I
F
E
H
A
B
D
C
G
A1
C1
C2
C3
C4
D1
D2
D3
D4
A2
A3
A4
B1
B2
B3
B4
J
K