1 Nickel

Re: g2 stepping cpu into g1 stepping board / am2 socket / e521

Final solution: Upgrading the BIOS on the board move the stepping to G2. I installed a DO model processor that was G2 and it worked. The latest BIOS for my machine is 1.1.11 or something like that. With that being said, I am now able to really upgrade up to the 6000+'s if wanted. Just make sure that I keep the G2 and 65mn Brisbane. No need to convert over to the 90nm Windsor like some others have. Any more upgrading for me and I might as well go quad core.
Thanks for the pointing in the right direction.

Dell E521 - Athlon 64x2 6000+ (3.1Ghz) - Noctua NH-U9B - Artic Silver 5 thermal - 4GB Elpida DDR2 PC2-6400 - 2 Seagate HDDs= 240GB - PNY nVidia GT240 - Asus DVD+/-RW 24B1ST - 5.25" twin fan case cooler - 2 Dell 1905FP moniotrs - Windows 7 Ultimate x32

Dell D620 - Intel C2D T7200 (2.0Ghz) MEROM - 3GB DDR2 PC2-6400 800mhz - nVidia Quadro NVS 160M - NEC DVD +/-RW 8x - 9 cell batt - laptop cooling fan - Windows 7 Ultimate x32