AMD Phenom 8650 Triple-Core HD8650WCGHBOX User Manual
Product codes
HD8650WCGHBOX
Processor Identification
5
Revision Guide for AMD Family 10h Processors
41322
Rev. 3.16
February 2008
Processor Identification
This section shows how to determine the processor revision, program and display the processor name
string, and construct the processor name string.
string, and construct the processor name string.
Revision Determination
Figure 1 shows the format of the value returned in EAX by CPUID Function 1.
Figure 1.
Format of CPUID Value Returned by Function 1
Table 1 shows the identification number returned by the CPUID instruction for each revision of the
processor.
processor.
Mixed Silicon Support
AMD Family 10h processors with different silicon revisions can be mixed in a multiprocessor
system. Mixed silicon revision support includes the AMD Opteron™ processor configurations as
shown in Table 2 on page 6:
system. Mixed silicon revision support includes the AMD Opteron™ processor configurations as
shown in Table 2 on page 6:
Table 1.
CPUID Values for AMD Family 10h Processor Revisions
Revision
CPUID Function 1 EAX Value
Qu
ad
-C
o
re
AM
D Op
te
ro
n
™
P
roc
es
so
r
Du
a
l-
C
o
re
AM
D Op
te
ro
n
™
P
roc
es
so
r
E
m
be
dd
ed
AM
D Op
te
ro
n
™
P
roc
es
so
r
AM
D Ph
e
n
o
m
™
P
roc
es
so
r
DR-BA
00100F2Ah
00100F2Ah
00100F2Ah
N/Ah
DR-B2
00100F22h
00100F22h
00100F22h
00100F22h