PROBLEM:  (75185, 75088, 74801) (PATCH ID: OSF445-018)
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This patch corrects a problem in which the perrmask register on
Tsunami systems can be overwritten.
PROBLEM: (78838) (PATCH ID: OSF445-088)
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The problem caused an incorrect bcache size to be returned to the kernel from 
the HWRPB. This problem occurred on Professional Workstation 900 and 1000 
systems and AlphaServer DS10, DS20, DS20E, ES40, GS80, GS160, and GS320 systems.