Athlon XP/Thunderbird Processor Identifier

heres some other good info for AMD

AMD Processor Ordering Part Number (OPN) Breakdown

Processors are identified by markings known as Ordering Part Number (OPN).
The OPN identifies the processor and its specifications.

AXDA 2700 D K V 3 D
| | | | | | +--Maximum System-Bus (Front-Side-Bus) Speed
| | | | | |
| | | | | +----Level 2 Cache Size
| | | | |
| | | | +------Maximum Die Temperature
| | | |
| | | +--------Operating Voltage (Nominal Core Voltage)
| | |
| | +----------Package Type
| |
| +--------------Model Number
|
+-------------------Processor Core Architecture / Brand Name

Processor Core Architecture / Brand Name:

These alpha characters define the core architecture of the processor.

OPN Code Brand Name Technology
----------------------------------------------------------
AXDA AMD Athlon™ XP 0.13 µm
AX AMD Athlon™ XP 0.18 µm
AMSN AMD Athlon™ MP 0.13 µm
AMP/AHX AMD Athlon™ MP 0.18 µm
K7/A AMD Athlon™ 0.18 µm
AHM Mobile AMD Athlon™ 4 0.18 µm
AXMS/AXMD/AXDM Mobile AMD Athlon™ XP 0.13 µm
D/DHD/DHM/DHL AMD Duron™ 0.18 µm

Model Number:

This four digit numeric field defines the speed of the processor in
megaherz or Model Number as appropriate.

OPN Code Frequency OPN Code Model Number
-------------------------------------------------------------
0500 500 MHz 1400 1400+ (Mobile)
0550 550 MHz 1500 1500+
0600 600 MHz 1600 1600+
0650 650 MHz 1700 1700+
0700 700 MHz 1800 1800+
0750 750 MHz 1900 1900+
0800 800 MHz 2000 2000+
0850 850 MHz 2100 2100+
0900 900 MHz 2200 2200+
0950 950 MHz 2400 2400+
1000 1000 MHz 2600 2600+
1100 1100 MHz 2700 2700+
1133 1133 MHz 2800 2800+
1200 1200 MHz
1300 1300 MHz
1333 1333 MHz
1400 1400 MHz (Desktop)

Package Type:

This single alpha character defines the package type for this device.

OPN Code Package Type
---------------------------
A CPGA
B OBGA
D OPGA
E uPGA
F OPGA
G uPGA

Operating Voltage (Nominal Core Voltage)

This single alpha character defines the voltage for this processor.

OPN Code Voltage
----------------------
Y 1.10 V
C 1.15 V
T 1.20 V
X 1.25 V
W 1.30 V
J 1.35 V
V 1.40 V
Q 1.45 V
L 1.50 V
H 1.55 V
U 1.60 V
K 1.65 V
P 1.70 V
M 1.75 V
N 1.80 V

Maximum Die Temperature:

This single alpha character defines the maximum die temperature
for this processor.

OPN Code Temperature
--------------------------
R 70 °C
V 85 °C
T 90 °C
S 95 °C
Q 100°C

Level 2 Cache Size:

This single alpha character defines the Level 2 Cache Size for this processor,
in addition to 128KB Level 1 Cache.

OPN Code Cache Size
-------------------------
1 64 KB
2 128 KB
3 256 KB
4 512 KB

Maximum System-Bus Speed:

This single alpha character defines the maximum System-Bus speed for this processor.

OPN Code Speed
--------------------
B 200 MHz
C 266 MHz
D 333 MHz