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post #2421 of 7466
Quote:
Originally Posted by vibraslap View Post

On core? No, I was trying to avoid upping core voltage as I know this chip can (or was at least previously able to) do 4.4 at 1.345. I had it stable at that at one point, and that's what it was binned at by SiliconLottery. Trying to recreate the magic...
Take a look at Jpmboy's suggestions to me on post#9961 if your motherboard has those settings. Also I have read a few times that vccsa voltage can actually get unstable if it's too much, I'm currently running mine at .95v. I'm at 1.26v core @4.4GHz, 3.5GHz cache @ 1.3v 3.2GHz memory @1.35v.

http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/9900_100#post_25427608
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post #2422 of 7466
Quote:
Originally Posted by vibraslap View Post

On core? No, I was trying to avoid upping core voltage as I know this chip can (or was at least previously able to) do 4.4 at 1.345. I had it stable at that at one point, and that's what it was binned at by SiliconLottery. Trying to recreate the magic...
ahh, forgot that you started with a binned chip.

FWIW, I had a stable system - ran for about 45 days under pretty heavy average load during the week at 4.4/1.325v (adaptive) I moved that system to an area (different state) that had a higher ambient temp and like you, could not re-create the magic until I bumped core voltage - ultimately to adaptive 1.35v to pass everything I could throw at it, including some beyond what I typically do.

Moved it back and forth 2x now and this scenario A/B checks reliably. Very temp sensitive...
post #2423 of 7466
Quote:
Originally Posted by Artah View Post

Take a look at Jpmboy's suggestions to me on post#9961 if your motherboard has those settings. Also I have read a few times that vccsa voltage can actually get unstable if it's too much, I'm currently running mine at .95v. I'm at 1.26v core @4.4GHz, 3.5GHz cache @ 1.3v 3.2GHz memory @1.35v.

http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/9900_100#post_25427608
My ram won't seem to allow me to drop SA like that... I'd love to... but 8x16G dimms is hungry for the current and thus voltage it seems...
post #2424 of 7466
I agree that auto voltages for VCCIO and VCCSA are very high but in my limited experience it doesn't hurt anything for the short period of time required to configure everything else. So far, I've learned to leave memory timings alone at values assigned by XMP. I then tune the CPU with voltages I'm comfortable with. For me, I never wanted to venture north of 1.325v because my custom water cooled loop had trouble pulling heat away fast enough. So I went to 4.3ghz with 1.310v and left it at that. I then set cache voltage to 1.15v and it seemed stable up to 36x so I left that alone as I'm happy with that value. Once I was able to maintain stability, I started dropping VCCIO and VCCSA until I found their low point. Seems interesting to me that you can achieve much lower VCCIO and VCCSA voltages while needing a higher CPU voltage but I guess that's the beauty of this hobby as no two chips are alike. smile.gif

If you have most of those settings on auto, it wouldn't hurt to raise voltage on the CPU until you find stability. That way, you can exclude other variables and just focus on what voltage is needed for your desired frequency level. Once you have that value, you can decide if the voltage required is worth the frequency gain as compared to the next level down...4.3ghz in your case.

Like others above have posted, increasing the voltage slightly may provide useful information.

CEKIM: I am having the same issue you are regarding those voltages being much higher than 0.95v. VCCIO and VCCSA have to be north of 1.100v for me and I'm only running 4x8gb 3200mhz cas 14 ripjaw 5
Edited by Fidelity21 - 8/17/16 at 9:29am
    
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post #2425 of 7466
Quote:
Originally Posted by Fidelity21 View Post

If you have most of those settings on auto, it wouldn't hurt to raise voltage on the CPU until you find stability. That way, you can exclude other variables and just focus on what voltage is needed for your desired frequency level. Once you have that value, you can decide if the voltage required is worth the frequency gain as compared to the next level down...4.3ghz in your case.

Like others above have posted, increasing the voltage slightly may provide useful information.

One thing I'm definitely confident in is my memory settings/timings. I have everything stable on 4.3 no problem(and tbh I've never really tried to find the lowest voltage my cpu can run 4.3 at). I double checked my memory settings at 4.3 with an hour of GSAT too. I started my attempts at 4.4 with the SA voltage that gave me stable memory settings at 4.3 as I've read in a few different places SA voltage mainly effects memory stability.
Quote:
Originally Posted by cekim View Post

ahh, forgot that you started with a binned chip.

FWIW, I had a stable system - ran for about 45 days under pretty heavy average load during the week at 4.4/1.325v (adaptive) I moved that system to an area (different state) that had a higher ambient temp and like you, could not re-create the magic until I bumped core voltage - ultimately to adaptive 1.35v to pass everything I could throw at it, including some beyond what I typically do.

Moved it back and forth 2x now and this scenario A/B checks reliably. Very temp sensitive...

Curious that an increase in ambient temperature would cause you to need to increase voltage, which should in turn also increase temperature... Interesting.
Quote:
Originally Posted by Artah View Post

Take a look at Jpmboy's suggestions to me on post#9961 if your motherboard has those settings. Also I have read a few times that vccsa voltage can actually get unstable if it's too much, I'm currently running mine at .95v. I'm at 1.26v core @4.4GHz, 3.5GHz cache @ 1.3v 3.2GHz memory @1.35v.

http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/9900_100#post_25427608


Thanks, this is very helpful as I was wondering what all these should be set at. Ill try this out and if it along with my SA tweaking is unsuccessful I'm going to bite the bullet and bump my core voltage and see what happens...
    
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post #2426 of 7466
Quote:
Originally Posted by Fidelity21 View Post

I agree that auto voltages for VCCIO and VCCSA are very high but in my limited experience it doesn't hurt anything for the short period of time required to configure everything else. So far, I've learned to leave memory timings alone at values assigned by XMP. I then tune the CPU with voltages I'm comfortable with. For me, I never wanted to venture north of 1.325v because my custom water cooled loop had trouble pulling heat away fast enough. So I went to 4.3ghz with 1.310v and left it at that. I then set cache voltage to 1.15v and it seemed stable up to 36x so I left that alone as I'm happy with that value. Once I was able to maintain stability, I started dropping VCCIO and VCCSA until I found their low point. Seems interesting to me that you can achieve much lower VCCIO and VCCSA voltages while needing a higher CPU voltage but I guess that's the beauty of this hobby as no two chips are alike. smile.gif

If you have most of those settings on auto, it wouldn't hurt to raise voltage on the CPU until you find stability. That way, you can exclude other variables and just focus on what voltage is needed for your desired frequency level. Once you have that value, you can decide if the voltage required is worth the frequency gain as compared to the next level down...4.3ghz in your case.

Like others above have posted, increasing the voltage slightly may provide useful information.

CEKIM: I am having the same issue you are regarding those voltages being much higher than 0.95v. VCCIO and VCCSA have to be north of 1.100v for me and I'm only running 4x8gb 3200mhz cas 14 ripjaw 5

Quote:
Originally Posted by cekim View Post

My ram won't seem to allow me to drop SA like that... I'd love to... but 8x16G dimms is hungry for the current and thus voltage it seems...
what boards are you guys using?
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post #2427 of 7466
Quote:
Originally Posted by Artah View Post


what boards are you guys using?
Quote:
Originally Posted by Artah View Post


what boards are you guys using?
RVE here
post #2428 of 7466
Asus Deluxe X99 II here
    
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post #2429 of 7466
Quote:
Originally Posted by cekim View Post


RVE here
I would try the ram at 125%
Quote:
Originally Posted by cekim View Post


RVE here
I would try these suggestion settings from Jpmboy. You might be able to drop some of that vccsa. Not sure if those exact settings exist on the original RVE, there were for R5E10.

suggestions:
min cache to Auto
TPU? this should be "keep Current"
SYSTEM AGENT - WAY TOO HIGH. set this offset to yield 0.95-1.1V if this fails, go as high as 1.2V
VCCIO CPU to 1.08V
Load LIne to 5
VRM SS - disable
CPU power pahse - OPT
Dram Current 120-14-%

Also:

Vrm fault to Disabled
VRM to High performance.
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post #2430 of 7466
Quote:
Originally Posted by Artah View Post

I would try the ram at 125%
I would try these suggestion settings from Jpmboy. You might be able to drop some of that vccsa. Not sure if those exact settings exist on the original RVE, there were for R5E10.

suggestions:
min cache to Auto
TPU? this should be "keep Current"
SYSTEM AGENT - WAY TOO HIGH. set this offset to yield 0.95-1.1V if this fails, go as high as 1.2V
VCCIO CPU to 1.08V
Load LIne to 5
VRM SS - disable
CPU power pahse - OPT
Dram Current 120-14-%

Also:

Vrm fault to Disabled
VRM to High performance.
I'm at SA=1.2 BTW
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