| AMD K7 Athlon Processor Part Mark |
| K7 |
K7=Athlon
A=Athlon Thunderbird |
| 650 |
Processor speed (MHz)
values greater than 1000MHz without last zero (100=1GHz) Athlon
Values greater than 1000MHz with last zero (1000=1GHz) Thunderbird |
| X - module typ |
M=Card Module
P=PGA |
| Y - core Voltage |
T=1.6V
M= 1.75V
N= 1.8V
P=1.7V |
| Z - max. temperature |
Q=60° C
X=65° C
R=70° C
Y=75° C
K=80° C
W=80° C
Z=85° C
T=90° C |
| 5 - L2 cache size |
5 - 512KB
1 - 1024KB
2 - 256KB |
| 1 - L2 cache divisor |
1- standard/generic 2:1
2- standard/generic 2.5:1
3- standard/generic 3:1
4- standard/generic 1:1 |
| B - max FSB |
A=133
B=200
C=266
D=333
R= ? |
| C - marketing purposes |
Random character for marketing purposes
A - 0.18µm (CS50 process)
B -
C - 0.25µm (CS44E7 process)
R - ? |
| 21 - fab plant |
21 - USA (Chandler ?)
23 - Germany (Dresden) |
| 9927 |
year and month of manufacture |
| On CPU ceramic |
26650 - 0.25µm
26720 - 0.18µm |
