Summary Tables of Changes 
 
 
14     Specification Update 
Note:   Each Specification Update item is prefixed with a capital letter to distinguish the product. 
The key below details the letters that are used in Intel‟s microprocessor Specification 
Updates: 
A = Dual-Core Intel® Xeon® processor 7000 sequence 
C = Intel® Celeron® processor 
D = Dual-Core Intel® Xeon® processor 2.80 GHz 
E = Intel® Pentium® III processor 
F = Intel® Pentium® processor Extreme Edition and Intel® Pentium® D processor 
I = Dual-Core Intel® Xeon® processor 5000 series  
J = 64-bit Intel® Xeon® processor MP with 1-MB L2 Cache 
K = Mobile Intel® Pentium® III processor 
L = Intel® Celeron® D processor 
M = Mobile Intel® Celeron® processor 
N = Intel® Pentium® 4 processor 
O = Intel® Xeon® processor MP 
P = Intel® Xeon® processor 
Q = Mobile Intel® Pentium® 4 processor supporting Hyper-Threading Technology on 90-
nm process technology 
R = Intel® Pentium® 4 processor on 90 nm process 
S = 64-bit Intel® Xeon® processor with 800 MHz system bus (1 MB and 2 MB L2 cache 
versions) 
T = Mobile Intel® Pentium® 4 processor–M 
U = 64-bit Intel® Xeon® processor MP with up to 8MB L3 Cache  
V = Mobile Intel® Celeron® processor on .13 Micron Process in Micro-FCPGA Package 
W= Intel® Celeron®-M processor 
X = Intel® Pentium® M processor on 90-nm process with 2-MB L2 cache and Intel® 
Processors A100 and A110 with 512-KB L2 cache 
Y = Intel® Pentium® M processor 
Z = Mobile Intel® Pentium® 4 processor with 533 MHz system bus 
AA= Intel® Pentium® D Processor 900 Sequence and Intel® Pentium® processor 
Extreme Edition 955, 965 
AB= Intel® Pentium® 4 processor 6x1 Sequence 
AC= Intel® Celeron® processor in 478 pin package 
AD = Intel® Celeron® D processor on 65 nm process  
AE = Intel® Core™ Duo processor and Intel® Core™ Solo processor on 65nm process  
AF = Dual-Core™ Intel® Xeon® processor LV 
AG = Dual-Core Intel® Xeon® processor 5100 Series 
AH= Intel® Core™2 Duo mobile processor 
AI = Intel® Core™2 Extreme processor X6800
Δ
 and Intel® Core™2 Duo Desktop 
processor E6000 and E4000 Sequence 
AJ = Quad-Core Intel® Xeon® processor 5300 Series 
AK = Intel® Core™2 Extreme quad-core processor QX6700 and Intel® Core™2 Quad 
processor Q6600 
AL = Dual-Core Intel® Xeon® processor 7100 Series