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*Official* Intel DDR4 24/7 Memory Stability Thread - Page 423

post #4221 of 4436
Thread Starter 
Quote:
Originally Posted by ssateneth View Post

Touching up on my last post. The issue where the PC just flat out turns off without any warning may be Cache speeds. I've been dancing between 2 BIOS versions today, trying progressively slower RAM speeds without any improvement. I started from scratch on completely default settings except for DRAM voltage (1.35), speed (3200), and an average timing of 16-16-16-36 2T, everything else auto. No power off. I hotclocked (is that a word?) the core from the default 3500 to 4800 while in OS, no issues thus far. So I'll need to dial in cache on a later date.

So I learned that if your PC experiences hard power offs, or black screen crash without BSOD or reboot, it's probably your cache clock/volts. Now i'll be able to properly run HCI to dial in RAM stuff.


The slow rate of errors over that much coverage can be indicative of cache instability, also.

You can also try disabling C-States beyond C3 as higher cache overclocks can struggle with these lower power states when pushing things, as the cache really needs the voltage
post #4222 of 4436
Quote:
Originally Posted by Ding23 View Post

Alright thanks, I'll just leave it, maybe mess around again when I get 2x8 more sticks for 32GB, maybe go higher mhz with 2t
by mixing kits you are more likely to go lower frequency.. and 2T. tongue.gif
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post #4223 of 4436
Have a query about GSAT:
When it completes it lists a summary that includes Memory Copy rate eg 36,421MB/s
If I tighten the timings and it passes GSAT, but I see that Memory Copy rate has fallen eg 36,000MB/s - is it a strong indicator that something is wrong?
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post #4224 of 4436
Quote:
Originally Posted by misoonigiri View Post

Have a query about GSAT:
When it completes it lists a summary that includes Memory Copy rate eg 36,421MB/s
If I tighten the timings and it passes GSAT, but I see that Memory Copy rate has fallen eg 36,000MB/s - is it a strong indicator that something is wrong?
Hmm.. that's roughly 1.1% difference. Perhaps, you can regard it as a margin of error.
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post #4225 of 4436
Quote:
Originally Posted by PowerK View Post

Hmm.. that's roughly 1.1% difference. Perhaps, you can regard it as a margin of error.
I see, you could be right - I'll keep that in mind, thanks!
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post #4226 of 4436
Asrock Z270 K6 got a BIOS update yesterday. v1.2. I can now boot 3866 in dual channel, but it's not stable. 3733 with same tweaked settings as 3600, but with +1 primary timings wasn't stable either. AIDI64 scores went up, but with higher latency. Progress none the less.
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post #4227 of 4436
ok i'm trying to get a 32gb kit as a replacement for my 16gb kit of ripjaws 4 (F4-3200C16-4GRK) they're running at 3200mhz atm on my Msi Gaming ack 9 (i'm rebuilding the box and swapping to the rampage V edi 10 when i get my new case unwrapped (rma from nanoxia they've really been awesome btw)

Would you guys replace it with a trident Z 3200mhz 32gb kit or a https://www.gskill.com/en/product/f4-3000c15q-16grk for a 5960x?

I know the cpu can handle 3200mhz ram but the qvl list for haswell-e hasn't been updated for 3200mhz
post #4228 of 4436
Thread Starter 
Quote:
Originally Posted by Cyb3r View Post

ok i'm trying to get a 32gb kit as a replacement for my 16gb kit of ripjaws 4 (F4-3200C16-4GRK) they're running at 3200mhz atm on my Msi Gaming ack 9 (i'm rebuilding the box and swapping to the rampage V edi 10 when i get my new case unwrapped (rma from nanoxia they've really been awesome btw)

Would you guys replace it with a trident Z 3200mhz 32gb kit or a https://www.gskill.com/en/product/f4-3000c15q-16grk for a 5960x?

I know the cpu can handle 3200mhz ram but the qvl list for haswell-e hasn't been updated for 3200mhz

http://gskill.com/en/product/f4-3200c14q-32gtzsw
post #4229 of 4436
Some testing @ low volts with the TridentZ 3600c15 kit , I got apart from 3600c15 @ 1.36 vram on bios (like xmp), 3866c16 @ 1.37vram on bios and 4000c17 @ same (1.37vram bios)... 300%+ on memtest 5




FedericoUY -- 4000 17-17-17-42-2T -- 1.37V (bios), SA 1.15v, IO 1.15v

Edited by FedericoUY - 4/14/17 at 3:57pm
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post #4230 of 4436
Thread Starter 
Quote:
Originally Posted by FedericoUY View Post

Some testing @ low volts with the TridentZ 3600c15 kit , I got apart from 3600c15 @ 1.36 vram on bios (like xmp), 3866c16 @ 1.37vram on bios and 4000c17 @ same (1.37vram bios)... 300%+ on memtest 5




FedericoUY -- 4000 17-17-17-42-2T -- 1.37V (bios), SA 1.15v, IO 1.15v

Nice CPU smile.gif
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