Rev E 90nm desktop A64 and A64/FX.

E3 = 512K L2 Rev E desktop
E4 = 1MB L2 Rev E desktop

3000+, 3200+, 3500+, 3800+, 4000+ changing over to Rev E that day.

I suspect the 4200+ and FX-57 will be introduced the same day.

http://www.amd.com/us-en/assets/con...change_1_UK.pdf
http://www.amd.com/us-en/assets/con...change_2_UK.pdf
http://www.amd.com/us-en/assets/con...change_3_UK.pdf
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Link: http://www.amd.com/us-en/assets/con...change_1_UK.pdf