84 SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Note – The FB-DIMM Fault Locator button is near the left edge of the motherboard
(as viewed from the front panel). It has the label SW6500 in the following figure.
FIGURE: FB-DIMM Fault Locator Button on the Motherboard
6. Note the FB-DIMM next to the illuminated LED.
7. Ensure that all other FB-DIMMs are seated correctly in their slots.