Biostar 790GX & OCZ 1066 mem

Biostar TA790GXB A2+ doesn't work well with OCZ Platinum DDR2 1066 (2 x 2GB).

I'm pretty sure its the mb... the ram just won't run @ 1066 in any timing & voltage. it runs great @ 800 (5-5-5-15 or 4-4-4-12 at 1.95v).

The best speed i got with this ram with AMD X4 940 is @ 1000 mhz (5-5-5-15 at 2.05v) by raising the bus speed to 250 & lowering the multiplier to 14.

PII X4 940 @ 3.5ghz and mem @ 1000 (5-5-5-15 at 2.05v)

anything over that would not work (bsod) ...

hope this helps few with biostar 790gx & ocz 1066 mem.
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  1. Interesting. I have the original Biostar Tforce TA790GX which I run a X4 940 with 1066Mhz OCZ Reaper and haven't had any troubles running at any speeds. I currently run them at ~1100 ref clock 205 5-5-5-15 timings with a processor speed of 3.7Ghz.

    I guess the gxb could have some differences, my mobo was kinda the reference design, no sideport. I don't know about the gxb board but I noticed right away what the reviews on the egg were talking about when discussing the quite high temps on the chipset. I ordered a chipset cooler and it runs at ambient now, have had no problems with this board whatsoever in the last year.

    I got this board to replace a $240 ASUS Crosshair that gave me no end of trouble. This board has been like a dream. $100 well spent. I have had good luck with Biostar.

    Have you tried that ram in any other machines?
  2. does the Biostar TA790GBX allow you to change the CPU clock multiplier?

    I have a A740G running a Phenom 9950 BE 140watt. this board isn't supposed to run cpus above 95 watts but it's run great for almost a year, just wanted a cheap upgrade with the ability change the mulitplier.

  3. GBX does allow u to change the multiplier....

    But the bad thing about the TA790GBX is it has only 4 settings for mem voltage... 1.95, 2.05, 2.15 & 2.25v. And the NB runs freaking HOT!
  4. wow, 4 settings? hmmm how about vcore?

    does the NB heat effect the vid card much, being so close? maybe I could shield it with something.
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