Oracle X8-2L Service Manual page 149

Identify and Remove a Processor
a. Flip over the processor-heatsink module, place it on a flat surface, and
locate the thermal interface material (TIM) breaker slot.
b. While holding down the processor-heatsink module by the edges, insert a
flat blade screwdriver into the TIM breaker slot.
Servicing Processors (FRU) 149