Intel SBXL52 Hardware Maintenance Manual - Page 44

System board LED locations

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System board LED locations The following illustration shows the location of the LEDs on the system board. You might need to refer to this illustration when solving problems with the blade server. You need to remove the blade server from the SBCE unit, open the cover, and press the light path diagnostics button to light any error LEDs that were turned on during processing. ✏ NOTE Power is available to relight the light path diagnostics LEDs for a short period of time after the blade server is removed from the SBCE unit. During that period of time, you can relight the light path diagnostics LEDs for a maximum of 25 seconds (or less, depending on the number of LEDs that are lit and the length of time the blade server is removed from the SBCE unit) by pressing the light path diagnostics button. The light path diagnostics power present LED (CR111) lights when the light path diagnostics button is pressed if power is available to relight the blade-error LEDs. If the light path diagnostics power present LED does not light when the light path diagnostics button is pressed, no power is available to light the blade-error LEDs and they will be unable to provide any diagnostic information. 30 SBXL52: Hardware Maintenance Manual and Troubleshooting Guide

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SBXL52: Hardware Maintenance Manual and Troubleshooting Guide
System board LED locations
The following illustration shows the location of the LEDs on the system board. You might need to
refer to this illustration when solving problems with the blade server. You need to remove the blade
server from the SBCE unit, open the cover, and press the light path diagnostics button to light any
error LEDs that were turned on during processing.
NOTE
Power is available to relight the light path diagnostics LEDs for a short period of time after the
blade server is removed from the SBCE unit. During that period of time, you can relight the
light path diagnostics LEDs for a maximum of 25 seconds (or less, depending on the number
of LEDs that are lit and the length of time the blade server is removed from the SBCE unit) by
pressing the light path diagnostics button. The light path diagnostics power present LED
(CR111) lights when the light path diagnostics button is pressed if power is available to relight
the blade-error LEDs. If the light path diagnostics power present LED does not light when the
light path diagnostics button is pressed, no power is available to light the blade-error LEDs
and they will be unable to provide any diagnostic information.