Intel® Server Board S5500WB TPS Intel® Light-Guided Diagnostics
Revision 1.3
Intel order number E53971-004
67
8. Intel® Light-Guided Diagnostics
The server boards have several onboard diagnostic LEDs to assist in troubleshooting board-
level issues. This section provides a description the location and function of each LED on the
server board.
8.1 5-V Standby LED
Several server management features of this server board require a 5-V stand-by voltage is
supplied from the power supply. Some of the features and components that require this voltage
must be present when the system is “Off” include the Integrated BMC, onboard NICs, and
optional RMM3 connector with Intel
®
RMM3 installed.
The LED is located in the lower-left corner of the server board and is labeled “5VSB_LED” is
illuminated when AC power is applied to the platform and 5-V standby voltage is supplied to the
server board by the power supply.
AF003114
5-V Standby
Status LED
Figure 22: 5-V Standby Status LED Location
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