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Haswell Overclocking Guide [With Statistics] - Page 513

post #5121 of 19578
My volt are decent and I would even dare say maybe just a tad above average. But my temp are always horrible and I do believe it is this H100. I used it in 2 built, first a 3770k ( needed 1.31 to reach 4.5 on that chip) and this 4770k built. I reset, reapply tim (pea method) many times and it is just an underperformer. Which is one reason that I am hoping my scaling isn't too much like dark tongue.gif lolzx. In my test, I can just change the multi up to 43 while leaving everything else on auto. I believe my volt at 4.3 ghz is 1.17 or 1.18. I didn't pay too much attention, just testing to see at what multi it can boot and run my games at. Pass 43 multi I need to manually start adjusting vcore,vccin,vrin,vring. At 44 multi my vcore is at around 1.23, 4.5 1.265 is what I needed to pass all the stress test I use over 12 hours or 10 runs. Cinebench for me was around upper 70 spiking to 82-83c, this is cinebench here and it was still getting that hot. I decide 10 run is stable for me and I didn't use the loop script, I just sat there and ran it, with 3 minutes break between every finish run to let the system cool down. Reason I do manual run, twin babies so it is not like I am doing much on weekend sozo.gif. My temp at 4.5 ghz is always upper 80c to 91-92c spike. Prime 29.7 , forget it, it doesn't crash but spike to 100c and I just stop it. OCCT I couldn't run because I somehow can't open it, it was working before but always give me an error now. I can boot up at 4.6 with min 1.32 volt but need 1.36 to be stable with cinebench,xtu,x265 and even cinebench gave me 90c temp at 4.6. I agree with dark that if I really stress it, I will find I am not as stable as I think. I would love to do more testing at 4.6 but heat is limiting me. Every test at 4.6 hitting mid 90c to spiking 100c. So I am still looking for some answer from anyone that move from AIO to custom and their result.

I would even RMA this H100 or sell it but I don't want anyone to get stuck with a lemon and my luck with corsair product haven't been that good, so I don't even know if I can get a better performing unit.
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post #5122 of 19578
^you need +0.1vcore for +100mhz? From 1.265 to 1.36? What's other settings like vrin while you are doing that?

Is your h100 mounted as intake? What are your ambients?

And to other guy, yea, seems 1.8vrin with droop (no llc) is intel spec. Maybe it's different on different boards and/or chips, not sure what the picture is there
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post #5123 of 19578
I do Cyro999, I started from 1.27 up and add .005 each step and couldn't even boot with anything under 1.3 for 4.6. At 1.3 volt I can load windows but would bsod until I am at 1.31 but very unstable and at 1.32 stable enough to browse the web and watch youtube but not do anything intensive like rendering, gaming or encoding.

My H100 is mounted as outtake to suck air out of the case from the top of the case.

Upping it to 1.36 I can run xtu for 1 hour, 3 cinebench, and 3 x264 with temp being in mid 90c but I just say F it and let it run to see if I crash or not in that hour. Lately it been around 40 degree F here in NYC not sure what it will translate to in Celsius. Idle I am around 35-38 at 4.6 and gaming I will be in mid 60c max. I would like to test longer but the heat is what worry me and I might be bored but not bored enough to sit in one spot for 12 hours biggrin.gif
I have the setting saved in my profile and can get them once I get off work. For what I do 4.6 "seem" stable to me but just not sure so my safety oc is 4.5.
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post #5124 of 19578
Thanks, but vccin is not my problem..not stable @ 2v so its vcore but its just to much for me for 100 MHz . 4,5ghz @ 1,23-1,25v (in exact testing but x264 stable) 4,6 GHz @ min 1,3v for 10 runs x264
post #5125 of 19578
Kinzx, you're leaving VRIN the same? Because you definately need to add LLC (quite high level) and raise it for higher vcores. Try like 1.9 for 4.6 with llc at those volts.

Cooling temperatures are measured in delta's mainly, as difference between temperature matters, not really absolute temperatures. You could describe a CPU cooler as giving you max temp of say 50c delta over ambient - if your ambient case temperatures were 25c, it'd max CPU at 75c, etc. If case temp was 35c, it'd max CPU at 85, etc.

If you intake air to the case through a radiator, you're often dealing with air that is like 2-5c cooler than the air that is in your case (because it heats up unless you have excellent airflow) so you get that cut off your temps, or most of it anyway. Getting good temps is mostly down to stacking small advantages i think - few degrees cooler room, few degrees from high tier thermal paste, few more from paste application, a couple from above average case airflow, etc
Edited by Cyro999 - 11/7/13 at 1:57pm
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post #5126 of 19578
Quote:
Originally Posted by Cyro999 View Post

Kinzx, you're leaving VRIN the same? Because you definately need to add LLC (quite high level) and raise it for higher vcores. Try like 1.9 for 4.6 with llc at those volts.

Cooling temperatures are measured in delta's mainly, as difference between temperature matters, not really absolute temperatures. You could describe a CPU cooler as giving you max temp of say 50c delta over ambient - if your ambient case temperatures were 25c, it'd max CPU at 75c, etc. If case temp was 35c, it'd max CPU at 85, etc.

If you intake air to the case through a radiator, you're often dealing with air that is like 2-5c cooler than the air that is in your case (because it heats up unless you have excellent airflow) so you get that cut off your temps, or most of it anyway. Getting good temps is mostly down to stacking small advantages i think - few degrees cooler room, few degrees from high tier thermal paste, few more from paste application, a couple from above average case airflow, etc

I am pretty sure I change VRIN and bump it up but can't be positive until I get home and check the setting I have saved. I wrote them down on paper in case I ever lose them updating bios. I do know that I tested difference setting with the goal of getting the best balance i can with performance, volt and temp. You know, I think I will redo my loop a bit this weekend, clean it out, move the computer around and even see if setting the h100 as intake instead of outtake will improve temp in any way.
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post #5127 of 19578
Quote:
Originally Posted by kinzx View Post

Regarding my comment about uncore volt being lower than core volt. I was always under the impression that uncore should be running lower. again in my own testing, when I had uncore at or above my core voltage, computer will not post or bsod after windows load. Also I was lead to believe uncore is more sensitive to voltage and going beyond 1.3 for extend period will damage the chip. I do not remember anyone in this thread running uncore voltage higher than core voltage. My thinking is, let say you need 1.4 volt for core, will you run 1.4 volt for uncore as well??? That just doesn't seem safe. But if anyone has any other thought let me know and I might just be wrong and worry for nothing.

The reason i asked why not to have uncore voltage higher than core to you before was to see what reasoning you had behind it. As Wiz mentioned earlier, there shouldn't ever be a need to have vring higher than vcore. The point that the guides make is to not raise uncore multi higher than core, not the voltage, thus making the question about raising vring higher than vcore kind of redundant, although if you ever get to a point hat you do take it higher there's something not right with your OC.
Quote:
Originally Posted by Shanenanigans View Post

Okay. So I decided I'd try something interesting. I had 1.86 VRIN, 1.18x VRING, and 1.132 VID ( 1.152vcore ) for my 4.2Ghz OC with a 3.9Ghz Uncore.

I thought after forcing C6/C7 on, that I would change my voltages about a bit. Also, I've had 2 124 BSODs in the past 2 days. Which bothered me cuz it didn't happen for at LEAST a week.

Here's what I have right now

CPU Multi - 42x
Uncore - 34x ( goes up to 40x; stupid Gigabyte board )
Turbo enabled across all cores at 42x
VRIN - 1.8v
VID - 1.141v ( 1.162 vCore )
VRING - 1.15v

And it's stable, and fetching me the same temps in my regular load ( ie CSGO ). Prime and such is still 90+C but it's quite fine actually. For right now, I don't mind the temps, since it's winter and my window's always open, and the retailer just shipped out my new cooler today frown.gif so it'll take a while to get here, sadly.

Either way, if I'm able to do ~1.25v, on this chip, hopefully I should get about 4.4-4.6 on it easy. Let's see. And hope for the best.

Are you leaving uncore dropped when OC'ing core?

Quote:
Originally Posted by Warl0rdPT View Post

And I'm still trying to get to 4.3GHz, I'm already on 1.28v for core.

testing "as we speak" with OCCT (normal test) temps are still under control (80ºC)

Are you adjusting VRIN as well or just vcore? Have a go testing with x264 instead, it might give you a better idea of what's working or not when you make changes in BIOS.
post #5128 of 19578
Quote:
Originally Posted by Menphisto View Post

Thanks, but vccin is not my problem..not stable @ 2v so its vcore but its just to much for me for 100 MHz . 4,5ghz @ 1,23-1,25v (in exact testing but x264 stable) 4,6 GHz @ min 1,3v for 10 runs x264

Cool, just leave it at x45 then, job done.thumb.gif
Quote:
Originally Posted by Cyro999 View Post

Kinzx, you're leaving VRIN the same? Because you definately need to add LLC (quite high level) and raise it for higher vcores. Try like 1.9 for 4.6 with llc at those volts.

Cooling temperatures are measured in delta's mainly, as difference between temperature matters, not really absolute temperatures. You could describe a CPU cooler as giving you max temp of say 50c delta over ambient - if your ambient case temperatures were 25c, it'd max CPU at 75c, etc. If case temp was 35c, it'd max CPU at 85, etc.

If you intake air to the case through a radiator, you're often dealing with air that is like 2-5c cooler than the air that is in your case (because it heats up unless you have excellent airflow) so you get that cut off your temps, or most of it anyway. Getting good temps is mostly down to stacking small advantages i think - few degrees cooler room, few degrees from high tier thermal paste, few more from paste application, a couple from above average case airflow, etc

^This. And especially on the cooling, room temp will be lower than the temp inside your case. Better to push that cooler air in through the rad rather than push the case air out through it.
post #5129 of 19578
Quote:
Originally Posted by Darkwizzie View Post

Your analysis all seems to be fine.
But jeeze, your H100 feels like it's made by... bacon strips or something. Those temps seem suspect. You're using 27.9?

Remember not all chips are made equal, not just with the lottery of volts vs. multi but I swear the glue they've put in. You know I can't cool my chip, I've now thrown 2 different CPU blocks (Raystorm and CPU-380I, so nothing cheap) at it and an air-cooler, nothing. I still have to watch people with <~$100 air coolers get better results than me frown.gif

So - nobody has any comments re: SVID and leaving it on/off?

Also, what the hell is is IACore? XTU can tell you it's TDP usage (which for me under load is usually ~10W less than Total CPU TDP and HWMonitor shows it's volts as 1.31v which don't change during idle/load?
Edited by error-id10t - 11/7/13 at 2:52pm
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post #5130 of 19578
Quote:
Originally Posted by Doug2507 View Post

Are you adjusting VRIN as well or just vcore? Have a go testing with x264 instead, it might give you a better idea of what's working or not when you make changes in BIOS.

for 4.3Ghz completed 1h of occt at 1.28v and 4 loops of x264

I'm now trying 4.4GHz and I'm already on 1.35v

Should I adjust to 1.8something? It's on auto but Hwinfo reports 1.80.
Edited by Warl0rdPT - 11/7/13 at 3:09pm
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