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50 Product Errata

25759 Rev. 3.79 July 2009

Revision Guide for AMD Athlon™ 64 and AMD Opteron™ Processors

90 False IC Machine Check Overflow Error Logged On Reset

Description

If a processor cold or warm reset occurs during a precise window when the instruction cache is being

accessed due to a branch re-direct, a false IC Machine Check Overflow error may be logged in the IC

Machine Check Status register.

Potential Effect on System

System operation is not compromised, but a false machine check overflow error (bit 62) may be

reported in the IC Machine Check Status register.

Suggested Workaround

After a cold or warm reset, BIOS should clear the IC Machine Check Status register if the valid bit in

that register is 0.

Fix Planned

Yes

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AMD Athlon 6 Spezifikationen Seite 50