Specifications

8 Revision Determination
25759 Rev. 3.79 July 2009
Revision Guide for AMD Athlon™ 64 and AMD Opteron™ Processors
Mixed Silicon Revision Support
AMD Opteron processors with different silicon revisions can be mixed in a multiprocessor system as
described in the BIOS and Kernel Developer’s Guide for AMD Athlon™ 64 and AMD Opteron™
Processors, order# 26094. Mixed revision support includes C0, CG, and EX single core
AMD Opteron processors. Refer to Table 1 for CPUIDs for these revisions. Errata workarounds must
be applied according to revision as described in the Product Errata section starting on page 13.
SH-D0 00010F50h
(940)
N/A 00010F40h
(754)
00010F70h
(939)
N/A 00010F50h
(940)
00010F70h
(939)
N/A 00010F40h
(754)
N/A N/A 00010F40h
(754)
N/A
DH-D0 N/A N/A 00010FC0h
(754)
00010FF0h
(939)
N/A N/A N/A 00010FC0h
(754)
00010FC0h
(754)
00010FF0h
(939)
00010FC0h
(754)
00010FC0h
(754)
N/A
CH-D0 N/A N/A 00010F80h
(754)
00010FB0h
(939)
N/A N/A N/A 00010F80h
(754)
N/A 00010F80h
(754)
00010F80h
(754)
N/A
JH-E1 N/A 00020F10h
(940)
N/A N/A N/A N/A N/A N/A N/A N/A N/A
DH-E3 N/A N/A 00020FF0h
(939)
N/A N/A N/A N/A 00020FF0h
(939)
00020FC0h
(754)
N/A N/A N/A
SH-E4 00020F51h
(940)
00020F71h
(939)
N/A 00020F71h
(939)
N/A 00020F71h
(939)
N/A N/A N/A N/A N/A N/A
BH-E4 N/A N/A N/A 00020FB1h
(939)
N/A N/A N/A N/A N/A N/A N/A
SH-E5 N/A N/A N/A N/A N/A N/A 00020F42h
(754)
N/A N/A N/A 00020F42h
(754)
DH-E6 N/A N/A 00020FF2h
(939)
N/A N/A N/A N/A 00020FF2h
(939)
00020FC2h
(754)
00020FC2h
(754)
N/A N/A
JH-E6 N/A 00020F12h
(940)
00020F32h
(939)
N/A 00020F32h
(939)
N/A 00020F32h
(939)
N/A N/A N/A N/A N/A
Table 1. CPUID Values for Revisions of the Processors (Continued)
CPUID Function 1 EAX Value
Revision
AMD Opteron™
Processor
Dual-Core
AMD Opteron™
Processor
AMD Athlon™ 64
Processor
AMD Athlon™ 64 X2
Dual Core Processor
AMD Athlon™ 64 FX
Processor
AMD Athlon™ 64 FX
Dual Core Processor
Mobile
AMD Athlon™ 64
Processor
AMD Sempron™
Processor
Mobile
AMD Sempron™
Processor
Mobile
AMD Athlon
TM
XP-M
Processor
AMD Turion™
Mobile Technology