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post #9271 of 22161
Quote:
Originally Posted by doza View Post

just one off topic question regarding paging file, what is minumum (safe) value i can put on for 16gb of ram?

Depends on your regular usage. With 16GB, most people can safely disable page file completely, or just let the system manage its size dynamically. I only ever had issues with a disabled pagefile when I was playing modded Skyrim with only 4GB of system memory. With that said, if you know you are doing "heavy on RAM" projects, then a pagefile will keep windows from running out of memory, also if you need to create a complete memory dump, you will need to set it to mirror your total RAM + 1GB, but that is a pretty rare case. Pagefiles create extra read/writes on disks, which is why I suggest a full disable if you have > 8GB and you dont use more than 8GB
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post #9272 of 22161
thx for info!
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post #9273 of 22161
Quote:
Originally Posted by doza View Post

thx for info!

I suggest 1GB, don't bother disabling it - it does no harm, in fact it helps during system crashes by allowing memory dumps and also caching system libraries. In short, leave it on, but feel free to change the size. I have mine at 1GB, and I have 32GB of RAM; so RAM size doesn't affect paging file decisions. Windows won't use the page file unless it absolutely needs to - it WON'T affect performance by leaving it on.
post #9274 of 22161
Quote:
Originally Posted by Desolutional View Post

it WON'T affect performance by leaving it on.

This is the absolute truth...until you run out of RAM tongue.gif
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post #9275 of 22161
Quote:
Originally Posted by inedenimadam View Post

This is the absolute truth...until you run out of RAM tongue.gif

Yes, and when you run out of RAM without the paging file, you get a kernel panic and your whole OS locks up, usually in a black screen forcing one to reboot, redface.gif
post #9276 of 22161
Quote:
Originally Posted by Desolutional View Post

Yeah, that's what I did, and it consumed 24GB total (free version). Left it for 10 hours, can't remember what coverage, but I got more than 2 passes done; did the DOS version too, and passed that over 3 hours. I also tested using p95 and a 2 hour x265 encode. AiDA was used to to test cache and memory. No problems, so it looks like these timings are good. biggrin.gif

My personal ideal is to manage a full 4 hours of x265 encoding, and if the rig passes that, then it's more than stable enough. Memtest and p95 are a little too paranoid in my opinion, but each to their own. thumb.gif Who would've thought "budget" DDR4 RAM would be so good?

I still hate those AVX2 instruction sets though.

nice ram OC at that # of GB. thumb.gif AVX2 and FM3 - in a stress test environment - load the cpu to an extent that server-level Haswell down clock when AVX2 is in the execution stack. Use with care on desktop Haswell-E if you must. You can also enable/disable AVX and FM3 in the latest version of p95 by changing the flag in the local.txt file.
CpuSupportsAVX=0 or 1
CpuSupportsFMA3=0 or 1

explained in the undoc.txt file. thumb.gif


Quote:
Originally Posted by doza View Post

just one off topic question regarding paging file, what is minumum (safe) value i can put on for 16gb of ram?
defould value is 16384Mb

Unless you are experiencing PF issues, or want to reduce W/R NAND number on your main SSD, just let Windows manage the PF. One easy way to deal with the SSD wear aspect is to buy a small but fast SSD (cheap too if you can) and move the PF to that drive. You can move the PF at anytime without worry. thumb.gif
If you are on a mechanical drive... def move the page file to an SSD.
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post #9277 of 22161
Alright, finished my first custom water loop and am now getting to work on overclocking all the way. I have an ASRock Extreme 4 running my i7 5820k. On my previous cooler, I only pushed to 4Ghz at 1.11Vcore on override and left everything else to auto. Now I'm starting to work towards the limits of the processor, I'm looking at the other options and thinking I don't want them on Auto. Can someone either confirm, correct, or point me to good guides for the following assumptions? I've done some basic searching, but most of it seems to be trial and error by individuals:

LLC. Mine is currently set to level 3. I believe ASRock sets it to level 5 by default. I think I should change it to level 1. When pursuing max OC, I am lead to believe the most aggressive LLC will help you keep Vcore under control. Most aggressive meaning the one that minimizes Voltage droop (looks like level 1 judging by my UEFI guide).

Vcore Additional Offset voltage. I'm not using mine. From what I gather, it is for adaptive voltage mode. I was planning on sticking to override, but I've read a few places that seem to suggest you use your offset in combination with adaptive mode once you know you're stable OC frequency/voltage to allow your computer to drop voltage when idle for reduced wear/tear. However, my UEFI seems to suggest it will help my OC. I plan to leave it be for now.

Input Voltage. I've left mine at 1.9V while enabling Fixed Mode. Unless I suddenly encounter instability that can't be fixed with more Core voltage, I'm planning on leaving it. Once I reach max OC, I might try adjusting this to lower my Vcore.

Cache overclocking has minimal advantages until you try to overclock your memory. Once I have my core good and stable, I'll look into getting my memory up to its rated speed with manual timing adjustments. I need to do a lot more homework on secondary timings though. I'm not a fan of XMP screwing with a bunch of my voltages and ring/cache/uncore settings. Regardless, I'm pretty sure I can leave all this alone until later.


I've yet to push my water temperature over 26.7C with an ambient air temperature of 22C, so I'm not anticipating temperatures being my problem. I'll hit a voltage level I'm not confident in for 24/7 first if things keep going the way they have been. I'm currently stress testing 4.3 Ghz at 1.2V. I got 4.2Ghz to pass preliminary at 1.17V with a max temp of 48C.
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post #9278 of 22161
Hello, So I recently picked up a 5930k and an ASUS X99 Deluxe. Now I am a bit new to OCing X99. My last OCs were 3770k and 4930k where pretty much you just touched 2 fields, Multiplier and Vcore. Any tips for what I should start with shooting for ~4.2-4.4 GHz? In specific, some questions such as:
-Should I touch the BCLK strap? (100MHz or 125MHz)
-Use offset option for voltage or set manual?
-Turbo settings?
-LLC settings?
-A starting Vcore point + other settings?

My other specs: 2xSapphire Tri-X CF, Seasonic 1250W Gold, Corsair 110i GT, 3 SATA drives (1SSD, 1HDD, and 1 ODD)
EDIT: My motherboard has the latest BIOS.
2nd EDIT: Oh, and my RAM is 4x4 GB corsair Vengeance DDR4 2667.
Thanks!
Edited by Shmee - 5/23/15 at 1:30am
post #9279 of 22161
Quote:
Originally Posted by elbeasto View Post

I have a Corsair H110. It's not real water cooling but still pretty decent.

I'm planning a CPU only loop, just working out what to get for it etc.
Quote:
Originally Posted by Shmee View Post

Hello, So I recently picked up a 5930k and an ASUS X99 Deluxe. Now I am a bit new to OCing X99. My last OCs were 3770k and 4930k where pretty much you just touched 2 fields, Multiplier and Vcore. Any tips for what I should start with shooting for ~4.2-4.4 GHz? In specific, some questions such as:
-Should I touch the BCLK strap? (100MHz or 125MHz)
-Use offset option for voltage or set manual?
-Turbo settings?
-LLC settings?
-A starting Vcore point + other settings?

My other specs: 2xSapphire Tri-X CF, Seasonic 1250W Gold, Corsair 110i GT, 3 SATA drives (1SSD, 1HDD, and 1 ODD)
EDIT: My motherboard has the latest BIOS.
2nd EDIT: Oh, and my RAM is 4x4 GB corsair Vengeance DDR4 2667.
Thanks!

Try the 100 strap before, 125 strap is very bugged on 5930K + X99 Deluxe.
To see how much your CPU can be pushed use the manual voltage, than switch to adaptive.
Turbo settings is ok.
LLC7 is not bad for a high OC.
The best way to determine a starting point is to use 5 way optimization, your OC, will not be much higher than what suggested from Asus 5 way optimization.
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post #9280 of 22161
Quote:
Originally Posted by Shmee View Post

Hello, So I recently picked up a 5930k and an ASUS X99 Deluxe. Now I am a bit new to OCing X99. My last OCs were 3770k and 4930k where pretty much you just touched 2 fields, Multiplier and Vcore. Any tips for what I should start with shooting for ~4.2-4.4 GHz? In specific, some questions such as:
-Should I touch the BCLK strap? (100MHz or 125MHz)
-Use offset option for voltage or set manual?
-Turbo settings?
-LLC settings?
-A starting Vcore point + other settings?

My other specs: 2xSapphire Tri-X CF, Seasonic 1250W Gold, Corsair 110i GT, 3 SATA drives (1SSD, 1HDD, and 1 ODD)
EDIT: My motherboard has the latest BIOS.
2nd EDIT: Oh, and my RAM is 4x4 GB corsair Vengeance DDR4 2667.
Thanks!

Strap 100MHz is usually more stable than any other strap, especially with RAM less than 3000MHz; stick to 100MHz. If you change it from 100MHz, it will disable turbo boost and your CPU will be maxed out all the time.
When finding a stable OC, use manual voltage; when you have a stable voltage, find out the stock voltage and apply the offset mode to the same voltage (like if you have 1V stock, and your stable V is 1.3V, apply an offset of +0.3V).
Leave Intel Turbo Boost on!
Set LLC to Maximum level (Level 9) whilst testing your overclock.
For 4500MHz, 1.35 Vcore is stable for all systems. For 4200MHz, 1.3V should be stable for all systems. I used 1.2V for 4000MHz. Once you have determined stability with these frequency/voltage, then you can lower the Vcore till you crash in a stress test. I use a VCCIN (CPU voltage input) of 1.95V, up to 2V is safe. Your RAM should be fine with 1.35V, so you can use that 1.35V to lower timings. My VCCSA (system agent voltage) is 1.008V with 2666MHz RAM (if I go lower, I get memtest errors).

And do you know what? Cause you're a smart person, and bought the ASUS X99 mobo with an O.C. socket, you can set cache frequency to 4000MHz, with a Vcore OFFSET of +0.3V! thumb.gif

Once you've got stability with your static Vcore, feel free to @ me again, and I can help you set up adaptive voltage; I have the same mobo, thumb.gif
Edited by Desolutional - 5/23/15 at 2:41am
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