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Vol. 3 9-61
PROCESSOR MANAGEMENT AND INITIALIZATION
Figure 9-9. Microcode Update Write Operation Flow [2]
Return
INVALID_REVISION
Yes
1
Update Revision Newer
Than NVRAM Update?
Update Pass
A
uthenticity Test?
Return
SECURITY_FAILURE
Yes
Update NMRAM Record
Return
SUCCESS
Update Matching CPU
A
lready In NVRAM?
Space Available in
NVRAM?
Yes
No
Return
STORAGE_FULL
Replacement
policy implemented?
No
No
No
Yes
Yes