3Ghz Opty 165 - Ram issues

[Psience]

Well, I finally pulled the trigger and bought an Opteron 165 and boy am I happy with the results! This chip is a CCBBE 0615DPMV and will happily boot into windows at 3008mhz at 1.45V. I got it in Toronto from a local retailer if anyone is interested.

These great results tipped me off about a ram issue I've just discovered. I have OCZ pc3200 platinum that doesn't seem to like running at the 266mhz divider on my board. I can only get 3ghz with 1:2 divider! What's strange is that I can use that divider if I drop the multi down to 8 from 9 and it works great. Any suggestions on getting this divider working for me?

 

[scwam]

I feel this is a undiscussed issue that possibly not many know about. I've had the same problems with 2 different motherboards and 2 different brands of ram. If it wasn't the 266 divider it was the 120 or 100 divider at high cpu overclocks. I wonder if it has something to do with the chips. Same thing in my case, worked with a different multiplier despite the ram still being within specs on both the multipliers. I actually talked about his here tonight:


http://www.ocforums.com/showthread.php?t=490709 (kimochii72)
http://www.ocforums.com/showthread.php?p=4838758#post4838758

 

[Psience]

I think I'm of the opinion that its bios issue. What I find annoying is that in all the oc guides I've read it says that I can run whatever speed memory I want since I can just use a divider. Oh well, overclocking was never an exact science.

 

[scwam]

I never noticed anyone else talk about it either. I think I was have real problem with running both of my boards on the same chip at 9 x 316 at 266. But yet I was able to run 333 at 9 x 316. I'm going completely by memory here so my settings posted here may be wrong but at the time I check the ram speeds on both and the 266 gave crashes even though the ram was running at the same timings and even lower speeds.