Summary Tables of Changes 
 
 
Specification Update     15 
AM = Intel® Celeron® processor 400 sequence  
AN = Intel® Pentium® Dual-Core processor  
AO = Quad-Core Intel® Xeon® processor 3200 Series 
AP = Dual-Core Intel® Xeon® processor 3000 Series 
AQ = Intel® Pentium® Dual-Core Desktop Processor E2000 Sequence 
AR = Intel® Celeron® processor 500 series 
AS = Intel® Xeon® processor 7200, 7300 series 
AT = Intel® Celeron® processor 200 series 
AU = Intel® Celeron® Dual Core processor T1400 
AV = Intel® Core™2 Extreme processor QX9000 sequence and Intel® Core™2 Quad 
processor Q9000 sequence processor 
AW = Intel® Core™ 2 Duo 
AX =Quad-Core Intel® Xeon® processor 5400 series 
AY =Dual-Core Intel® Xeon® processor 5200 series 
AZ = Intel® Core™2 Extreme Quad-Core Mobile Processor, Intel® Core™2 Quad Mobile 
Processor, Intel® Core™2 Extreme Mobile Processor, Intel® Core™2 Duo Mobile 
Processor, Intel® Core™2 Solo Mobile Processor and Intel® Celeron® 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
TM
2 Extreme Processor QX9775 
AAE = Intel® Atom
TM
 processor Z5xx series 
AAF = Intel® Atom
TM
 processor 200 series 
AAG = Intel® Atom™ processor N series 
AAH = Intel® Atom™ processor 300 series 
 
Note:  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.