Hopefully these guides can remain a bit more up to date and helpful for people.
Athlon 64 X2-based
"Brisbane" (G1 & G2, 65 nm)
[edit]Energy-efficient 'BE' series
All models support: MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, Cool'n'Quiet, AMD-V
Model Number: / Stepping /...