AMD stepping code BVFA

Families: Athlon
Cores: Thunderbird (Model 4)

Athlon
Datecode	Part number	Core name
0101EPEW	A1200AMS3B	Thunderbird (Model 4)

NOTE: The list of stepping codes is not complete, and is constantly updated. If you want to add stepping code to the list please post a comment with processor picture with visible markings, or type in complete first (part number) and second (stepping and date code) lines from your CPU. You can alternatively use AMD stepping code submission page to post the same information.