IBM HS12 Service Guide - Page 141
The following illustrations show the system-board light path diagnostics panel
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Page 141 highlights
DIMM 1-error LED DIMM 2-error LED DIMM 3-error LED DIMM 4-error LED DIMM 5-error LED DIMM 6-error LED Power-fault LED Battery-error LED Microprocessor-error LED BMC-fault LED Power jumper bad LED BMC heartbeat LED The following illustrations show the system-board light path diagnostics panel and LEDs on the system-board light path diagnostics panel. NMI NMI error LED S BRD TEMP LP 1 System-board error LED Over temperature error LED Light path diagnostics LED Light path diagnostics switch Chapter 6. Diagnostics 129
![](/manual_guide/products/ibm-hs12-service-guide-b4c349d/141.png)
BMC heartbeat LED
DIMM 1-error LED
DIMM 2-error LED
DIMM 3-error LED
DIMM 4-error LED
DIMM 5-error LED
DIMM 6-error LED
Power jumper bad LED
BMC-fault LED
Microprocessor-error LED
Battery-error LED
Power-fault LED
The following illustrations show the system-board light path diagnostics panel and
LEDs on the system-board light path diagnostics panel.
NMI
SBRD
TEMP
LP
1
NMI error LED
System-board error LED
Over temperature error LED
Light path diagnostics LED
Light path diagnostics switch
Chapter 6. Diagnostics
129