Specification Update

Summary Tables of Changes
12 Specification Update
AK = Intel® Core™2 Extreme quad-core processor QX6000
Δ
sequence and Intel®
Core™2 Quad processor Q6000
Δ
sequence
AL = Dual-Core Intel® Xeon® processor 7100
Δ
series
AM = Intel® Celeron® processor 400 sequence
AN = Intel® Pentium® dual-core processor
AO = Quad-Core Intel® Xeon® processor 3200
Δ
series
AP = Dual-Core Intel® Xeon® processor 3000
Δ
series
AQ = Intel® Pentium® dual-core desktop processor E2000 sequence
AR = Intel® Celeron® Processor 500
Δ
series
AS = Intel® Xeon® processor 7200, 7300 series
AV = Intel® Core™2 Extreme processor QX9650 and Intel® Core™2 Quad processor
Q9000 series
AW = Intel® Core™ 2 Duo processor E8000 series
AX = Quad-Core Intel® Xeon® Processor 5400 Series
AY = Dual-Core Intel® Xeon® Processor 5200 Series
AZ = Intel® Core™2 Duo Processor and Intel® Core™2 Extreme Processor on 45-nm
Process
AAA = Quad-Core Intel® Xeon® processor 3300 series
AAB = Dual-Core Intel® Xeon® E3110 Processor
AAC = Intel® Celeron® dual-core processor E1000 series
AAD = Intel® Core™2 Extreme Processor QX9775
Δ
AAE = Intel® Atom™ processor Z5xx series
Note: The specification updates for the Pentium® processor, Pentium® Pro processor, and
other Intel products do not use this convention.
Note:
Δ
Intel processor numbers are not a measure of performance. Processor numbers
differentiate features within each processor family, not across different processor
families. See http://www.intel.com/products/processor_number for details.
Steppings
NO.
B-1 CPU
Signature
= 06D6h
C-0 CPU
Signature
= 06D8h
B-1 CPU
Signature
= 0695h
C-0 CPU
Signature
= 06E8h
D-0 CPU
Signature
= 06ECh
B-2 CPU
Signature
= 06F6h
A-1 CPU
Signature
= 10661h
Plans
ERRATA
W1 X No Fix
Performance Monitoring
Event That Counts the
Number of Instructions
Decoded (D0h) Is Not
Accurate
W2 X No Fix
RDTSC Instruction May
Report the Wrong Time
Stamp Counter Value