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2400Mhz Mushkin versus G Skill 2133MHz? - Page 2

post #11 of 13
Originally Posted by joeybuddy96 View Post

I disabled XMP and AMP in the BIOS, and set the RAM multiplier to 24x, the voltage to 1.65, and the Quick timings to 11-13-13-31. The motherboard is supposed to default to single-channel mode, but CPU-Z displays it as Dual-channel mode. Without the double data rate, I'm wondering if it is actually running at 1200MHz effective. I guess I could move one stick into a non-dual channel slot, so that they are each in single-channel mode and run a benchmark in each version, then run it again with the 1.65V 9-11-11-31 2133MHz settings found on the G. Skill Ripjaws from the OP.

I ran BurnIn with the RAM, CPU temp, CPU speed, and GPU set to max load. The test failed after the RAM failed verification of data written to it on nine separate occasions. BurnIn says this is because of incorrect mathematical operations due to faulty RAM, system bus, cpu, or overheating. The CPU never got hotter than AMD's max temperature rating of 74C-the hottest it got was 67C. The drive I'm using has two bad sectors and seventeen slow sectors.

EDIT: And now I just had a shutdown. I'm thinking it might be the PSU, since the two male 4-pin connectors didn't fit the exact locked shape of the single 12V female 8-pin socket. It's an OCZ 600W. I don't know how I'd measure for voltage fails; the overclocking software with the Gigabyte board is poor, and even then I don't know what is a normal variance.

What you described there is quite normal, your timings are relatively tight, if you were running 1.65V 9-11-11-31 2133MH on 1T with the RAM you mentioned well i'd be surprised it'd be stable 24/7. That RAM is rated 11-13-13-31 (and thats most likely tested on 2T) If I were you i'd try loosing those timings... alot. Messing with channel interleaving should not help IMO. The board manufactureres say "one dim per channel" past a certain OC speed because of stbility reasons and what can be normally run, it's a generic tip. You shouldbe able to run 2 sticks at specified speed. The board does not default to single channel, it's a suggestion to plug the RAM stick into the other slot if running past a certain speed.

As EniGma1987 said, DoubleDataRate is DDR, it's just the technology you are using it's the type of RAM, this won't be turned "off" no matter what. And dual channell (I liked the analogy to explain how it works) is split up on the board phisically: usually slot 0 + 2 are a channel and slot 1 + 3 is the other one. Hence boards with 8 slots offering "quad channel" following th same principle.
post #12 of 13
Thread Starter 
@mindblowingj do you have any recommendations for what the timings should be loosened to? Those are the stock factory settings from Mushkin. With interleave channels off and the RAM sticks moved to separate channels, it finally made it through PerformanceTest. It made it through BurnIn without getting above 67C. I can try a bunch of different combinations, probably the first should be just turning interleave channels back on. Next should be moving the sticks back into dual channel slots and turning interleave back on and running them with the G. Skill settings or looser. I'm just guessing though--this is the first night I've used it with PK-1 thermal compound on the CPU and without extremely unsteady thermals. With interleave on and the sticks in dual channel slots at 2400MHz, it crashed into a DXGMMS1.sys BSOD, which may or may not have to do with temperatures or HID mouse drivers. http://answers.microsoft.com/en-us/windows/forum/windows_7-system/blue-screen-in-dxgmms1sys/db3f0576-976f-4401-8793-40f01942fb9d?page=2
post #13 of 13
I'm not sure I clearly understood here, you say you were running on factory settings (which is more of a "tested maximum settings by manufacturer" imo) but also mentionned you were at 9-11-11-31 ? Making sure ive got it right: is it this RAM http://www.newegg.com/Product/Product.aspx?Item=N82E16820226426&nm_mc=KNC-GoogleAdwords&cm_mmc=KNC-GoogleAdwords-_-pla-_-Desktop+Memory-_-N82E16820226426&gclid=CMvOh6zsl7kCFUxo7AodZmgApw ? the one you liked before ? Keepinf in mind that they are high density chips (8GB compared to 4's or 2's) they shouldnt OC very much, but we can expect a little.They advertise 11-13-13-31@2400 and usually thats 2T, if /i were trying combinations id try:
2400@11-13-13-31 2T
2400@12-13-13-31 1T
2400@12-14-14-31 2T
2400@12-14-14-32 2T
and increase untill you have something stable, then decrease one value at the time... Other factors that come to mind: Do you have a FSB, CPU-NB or HT overclock ? anyone of those would drastically change possibilities with your RAM
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