You wrote:
4.5.2.83 MSR Lock Register 4.5.2.84 Real Time Stamp Counter Register MSR Address 00001908
"Lock MSRs. The CPU CoreMSRs above 0xFFF (with the exception of the MSR_LOCK register itself) are locked when this bit reads back as 1. To unlock these MSRs, write the value 45524F434C494156h to this register (the byte string “VAILCORE”). Writing any
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Thanks for the excellent explanation!
Nils.