Lenovo ThinkSystem SR950 - Storage-Board-Assembly Connectors

Press the light path diagnostic switch 3 to turn on the system board LEDs for a limited amount of time when
the system board is removed from the chassis.
Figure 54. System-board light path LEDs
Table 220. Light path diagnostics: System-board LED status and actions
LED
Description
Action
1 Processor 2 error LED LED on: An error has occurred with
processor 2.
See “Processor problems” in Maintenance
Manual
2 System board error
LED
LED on: An error has occurred on the
system board.
Complete the following steps:
1. Check the Lenovo XClarity Controller
event log and the system error log for
information about the error.
2. Save the log if necessary, and clear the
log afterward.
3 Light path diagnostic
switch
Press the light path diagnostic switch to
turn on the system board LEDs.
4 Processor 1 error LED LED on: An error has occurred with
processor 1.
See “Processor problems” in Maintenance
Manual
5 Memory module 1
through 24 error LEDs
LED on: An error has occurred with the
designated memory module.
See “Memory problems” in Maintenance
Manual
Storage-board-assembly connectors
The following illustration shows the internal connectors on the storage board assembly.
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ThinkSystem SR950 Setup Guide