Mushkin EM2-6400 timings/P5B Deluxe

[Blackoberst]

I've seen these Mushkin running over 1000Mhz/1066 strap on i965 chipset. On Abit AB9 they could do 1050Mhz/1066 strap with 4-5-5-15@2.15v, and 1000Mhz/1066 strap on P5B Deluxe with 4-5-4-15@2.25v.
So I bought a 2GB kit and started testing and I was not very happy with the results. At 1000Mhz/5-5-5-15 on the 1333 strap they aren't stable at any voltage I choose(BSOD in a few minutes), but they seem to work a little bit better with 4-5-4-14@2.25v(seem stable in some 3D apps, but no memtest).

I'm wondering what's the problem. Is it the bios version, some tricky subtimings, or I've been unlucky with this Mushkins? I know they have rebranded Elpida IC's. Not very good?
I was expecting to go a little higher on 1333 strap, because on the others they were tested on 1066strap.

[zert]

they are Aeneon, and yes im afraid ur just unlucky

[Blackoberst]

I've tested with the 1201 beta version for P5B Deluxe, and the situation seems to be a little bit better.
With 1004 at 1000Mhz@4-5-4-14, 2.15v I couldn't do even SPi 1MB. Now runs 8MB just fine. Hope I can do 32MB.

I'm begining to think that I was unlucky, but these sticks behave very strange. They're very dependent on tRCD and tCL. And they don't seem to respond at higher voltage very well, but I'm still testing.