Light Guided Diagnostics Intel® Server Board S2600CO Family TPS
Revision 1.0
Intel order number G42278-002
10. Light Guided Diagnostics
The server board includes several on-board LED indicators to aid troubleshooting various board
level faults. This section provides a description of the location and function of each LED on the
server boards.
10.1 5-volt Stand-by LED
Several server management features of these server boards require a 5-V stand-by voltage
supplied from the power supply. The features and components that require this voltage must be
present when the system is powered down. The LED is illuminated when AC power is applied to
the platform and 5-V stand-by voltage is supplied to the server board by the power supply.
Figure 22. 5-volt Stand-by Status LED Location
10.2 Fan Fault LEDs
Fan fault LEDs are present for the two CPU fans and the one rear system fan. The fan fault
LEDs illuminate when the corresponding fan has fault.
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