AMD stepping code ACBBF

Families: Athlon 64, Athlon 64 X2, Second Generation Opteron
Cores: Orleans, Santa Ana, Windsor
Core steppings: F2, F3

Athlon 64
Datecode	Part number	Model number	Core name
0649RPMW	ADA4000IAA4DH	4000+	Orleans

Athlon 64 X2
Datecode	Part number	Model number	Core name
0643WPMW	ADA5200IAA6CZ	5200+	Windsor

Second Generation Opteron
Datecode	Part number	Model number	Core name
0639RPMW	OSP8214GAU6CY	8214
0642XPMW	OSA1210IAA6CS	1210	Santa Ana

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.