Technical Product Specification

Intel® Server Board S5520UR and S5520URT TPS Intel® Light-Guided Diagnostics
Revision 1.9 Intel order number E44031-012
121
8.3 System Status LED
The server board provides a LED for the system status. The location of the LED is shown in the
following figure.
Figure 43. System Status LED Location
The bi-color System Status LED operates as follows:
Table 72. System Status LED
Color
State
Criticality
Description
Off
N/A
Not ready
AC power off.
Green/
Amber
Alternating
Blink
Not ready
Pre DC Power On – 20-30 second Integrated BMC Initialization
when AC is applied to the server. Control Panel buttons are disabled
until Integrated BMC initialization is completed.
Green
Solid on
System OK
System booted and ready.
Green Blink Degraded System degraded
 Unable to use all of the installed memory (more than one
DIMM installed).
 In a mirrored configuration, when memory mirroring takes
place and system loses memory redundancy.