RAM = 2x 256MB Kingston Value RAM PC2100
chipset = Winbond BH-75 (1st generation)
Vdimm applied = 3.25V
system = Duron M (crippled Barton M)

Test Bed:
Cripped 64KB L2 Cache AMD Mobile Barton @ 2650MHz 1.9v
Coolermaster XDream Heatsink with 84cfm 80mm Delta Focusflow Fan
2 x 256MB KVR Winbond BH-75 DDR SDRAM
Abit NF7S v2.0 Vdimm Mod upto 3.25v
Mantaray XT D26 BIOS 1T Command CPU Interface Enabled
Enlight 420W PSU
Asus V7700 Geforce 2 GTS VIVO
30GB Maxtor 7200rpm HDD

Various Setting:
Vcore 1.925v (actual 1.88v)
Vdimm 3.25v
Vdd 1.7v
Vagp 1.5v
CPU Interface Enabled
Clock Ratio set to 6/6
1T Command preloaded in BIOS
Ras to CAS set to either 4 or 6, any tighter timing just results in plenty of errors.

@ 2646MHz DDR481 CL2-6-2-11 no error in memtest86+ test5


Sisoft Sandra 2005 Memory & CPU Arithmetic Benchmarks


CPU-Z 1.27


SPD and Timings


Folding & Prme95 no problem..