Intel
®
Light-Guided Diagnostics
Intel® Server Board S5500WB TPS
Revision 1.9
Intel order number E53971-008
68
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 s
ystem 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.
Figure 22: 5-V Standby Status LED Location
Summary of Contents for S5500WB
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