AMD stepping code JAAAB AA (JAAABAA)

Families: Athlon X2, Phenom X3, Phenom X4, Third Generation Opteron
Cores: Toliman, Agena, Budapest, Kuma, Toliman
Core steppings: B2, B3

Athlon X2
Datecode	Part number	Model number	CPUID	Core name	Features
0836MPMW	AD775ZWCJ2BGH	7750	F23 10 2 DR-B3	Kuma	SSE, SSE2, SSE3, SSE4a, x86-64
0836MPMW	AD7450WCJ2BGH	7450		Kuma
0901BPMW	AD775ZWCJ2BGH	7750
0901FPMW	AD785ZWCJ2BGH	7850		Kuma
0905DPEW	AD775ZWCJ2BGH	7750		Kuma
0912FPTW	AD785ZWCJ2BGH	7850		Kuma
0917DPRW	AD775ZWCJ2BGH	7750
0920CPGW	AD775ZWCJ2BGH	7750		Kuma
0922GPAW	AD7750WCJ2BGH	7750		Kuma

Phenom X3
Datecode	Part number	Model number	CPUID	Core name	Features
0822EPMW	HD860BWCJ3BGH	8600B		Toliman
0823DPMW	HD8250ODJ3BGH	8250e		Toliman
0823GPMW	HD8450WCJ3BGH	8450		Toliman
0828GPMW	HD8850WCJ3BGH	8850		Toliman
0831BPMW	HD860BWCJ3BGH	8600B		Toliman
0833CPMW	HD8850WCJ3BGH	8850		Toliman
0834BPMW	HD8550WCJ3BGH	8550		Toliman
0843APMW	HD8550WCJ3BGH	8550		Toliman
0847GPMW	HD8450WCJ3BGH	8450

Phenom X4
Datecode	Part number	Model number	CPUID	Core name	Features
0823BPCW	HD995ZFAJ4BGH	9950		Agena
0827BPBW	HD985ZXAJ4BGH	9850		Agena
0827CPAW	HD9650WCJ4BGH	9650		Agena
0829EPMW	HD995ZXAJ4BGH	9950		Agena
0831APMW	HD985ZXAJ4BGH	9850		Agena
0831BPBW	HD9350ODJ4BGH	9350e		Agena
0832FPAW	HD9450ODJ4BGH	9450e		Agena
0838CPMW	HD960BWCJ4BGD	9600B		Agena
0838GPAW	HD9850WCJ4BGH	9850		Agena
0843APCW	HD995ZXAJ4BGH	9950		Agena
0843APJW	HD985ZXAJ4BGH	9850		Agena
0926GPMW	HD9650WCJ4BGH	9650		Agena

Third Generation Opteron
Datecode	Part number	Model number	CPUID	Core name	Features
0905MPMW	OS1352WBJ4BGH	1352
1009DPEW	OS1354WBJ4BGH	1354		Budapest
1027APAW	OS1354WBJ4BGH	1354		Budapest

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.