Overclocking my 3570k

Quote:

Originally Posted by Archcry

Ye sorry, I noticed but I had to eat, better screenshot will be up in a minute or so.

Edit: This should do the trick!
Edit2: Added my rig to my signature

Click to expand...

thanks for that

aside from one "warmer" core - which is no big deal- low 60s is great. 1.08 vcore (but check the bios, cpu-z doesn't always report correctly) is nice. keeping the voltage down along with a good heat-sink is very influential. but i think you can safely say your heat-sink is working.

hitting 4.4ghz with 1.2v (or less) @ 75c would be excellent! but that all depends on the chip, some will, some won't.

Quote:

Originally Posted by looniam

thanks for that

aside from one "warmer" core - which is no big deal- low 60s is great. 1.08 vcore (but check the bios, cpu-z doesn't always report correctly) is nice. keeping the voltage down along with a good heat-sink is very influential. but i think you can safely say your heat-sink is working.

hitting 4.4ghz with 1.2v (or less) @ 75c would be excellent! but that all depends on the chip, some will, some won't.

Click to expand...

This will do.

I used to overclock my E8400 by bumping the Multiplier to the point the core speed reached the desired clock speed.
Then bump the voltage to make everything run stable.

To test this I let Prime95 run for around 12 hours, when it stayed stable I lowered the cpu voltage.
I was looping through this method for several days untill I encountered a problem while stress testing.
I decided to bump the voltage a to the last point it was stable on.

Does this method still apply to the new i5 processors?

~ Archcry

Quote:

Originally Posted by Archcry

This will do.

I used to overclock my E8400 by bumping the Multiplier to the point the core speed reached the desired clock speed.
Then bump the voltage to make everything run stable.

To test this I let Prime95 run for around 12 hours, when it stayed stable I lowered the cpu voltage.
I was looping through this method for several days untill I encountered a problem while stress testing.
I decided to bump the voltage a to the last point it was stable on.

Does this method still apply to the new i5 processors?

~ Archcry

Click to expand...

close.

you also have Load Line Calibration which keeps the vdroop from going too low. it will actually raise the idle voltage but keep the load voltage from going below that target. from the setting going low to extreme, most folks like high.

you have a few different routes to go. you can disable speed step and turbo boost set the multi and vcore to manual to have a 24/7 overclock or you can adjust the turbo boost ratio while having speed step enabled to let it idle down while using an offset for the vcore; auto almost always gives too much voltage for what the cpu needs.

here is a great guide to explain quite a bit:
**Ivy Bridge Overclocking Guide** (with LN2 Guide at The End)
though sin uses a gigabyte board the basics are the same for all boards.

Ok I will try some stuff and keep you informed

Just a quick update.

I bumped the turbo frequency of all 4 cores to 44 (4.4ghz) thereby leaving speedstep intact.
I also raised the vdroop to 100% (not sure about this setting though)
Lastly I bumped the vcore up to 1.2v.

With all these settings I got a pretty decent overclock, here are some screenshots:

Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5

Can anyone check whether my settings are any good?

I only tested this for about 10 minutes, I am going to do some longer testing tomorrow.
I hope I can get the voltage down a little so the temperature goes down with it.

I'll keep you guys up to date :d

~ Archcry

take a few things i say with a grain of slat since i am not 100% familiar with MSI's bios:

enable intel's XMP for the ram to insure stability. - that i am sure of.

i think enabling cpu phase control will help the cpu's overclock stability but since you're not really pushing it, yet, that may not be necessary. also that 1.2 vcore is nice. have you spent more than an hour in prime95? no problems? you really need to gpo for 3+ hours to be confident that everything is stable.

now if things go flonky on you, you can at first try a little more vcore but i see the CPU I/O (VCCIO=QPI/VTT) is on auto. you may need to look at that if you get a BSOD:

maybe print this out for a handy guide for voltages? (unless you have a handheld or another machine close)


so what is the idle looking like out of curiosity?

Hello my dear sir,

I got some new screenshots for you

This afternoon I upped the frequency just a little bit more (4.5ghz) @ 1.2v
I let it run for 4 hours and 31 minutes without a crash.
Now I set the voltage back to 1.95 and will do another stress test this evening.
The chip seems to be doing just fine at this point, I will also adjust the settings you told me to before running the test this evening.

Screenshot time:

4.5 ghz @ 1.2v under load
Vcore under load
4.5 ghz @ 1.2v idle
Vcore idle

I also ordered Coollaboratory Liquid Ultra 0.15 ml as I might disamble my CPU in order to get some lower temperatures.
Not really sure about this thought, we'll see

EDIT:

Found this at overclock.net:
Quote:

I see you have an MSI board; I know exactly what you're refering to. For overclocking, take them all off auto and put them to off/full power. The phase control allows the BIOS to decided whether your CPU is run in 1, 2, 3, 4 (or however many power phases your board has) in order to conserve power. However, this can cause instability when overclocking, so just turn all phase controls off. Generally speaking, more phases = smoother, cleaner power delivery. However, more phases means more power wasted through inefficiency (heating up the MOSFET's) as well, which is why MSI has auto phase control.

Click to expand...

I think i'll leave it off for now.

~ Archcry

nice. as otterclock posted you may want to see about lowering the vcore - that will help lower your temps. also i saw before that you disabled adjust cpu ratio in OS. that will keep the multi for being lowered along with the C1E state (which later you might want to enable) i know in the core2 days it was the mantra to disable all power saving features but sandy/ivy has changed that. as long as the OC stays stable, no sense at having the cpu run faster than it needs too.

but i can make mistakes - the phase control info you found will be helpful for you. i have bit different perspective having an i5-2400. not much fun to overclock since its limited, so the tweaking fun comes in when i get 0.96 volt idle and no more than 1.17 when i fully abuse it.

Just a quick update.

I am currently stressing my CPU with the settings Otterclock suggested.
I got a bunch of BSODS this morning because the voltage Otterclock suggested were to low, I think I got it quite stable now though.

My current settings are:

CPU voltage: 1.160 (multimeter)
Vdroop Offset: +100%
Digital Compensation level: High
Core OCP Expander: Enhanced
Power limit: 255w
CPU core switching frequency: 2x
Multiplier set to 45 (4.5ghz)

Prime95 is running stable for 2 hours and 24 minutes at this very moment.
This morning I tried stressing my CPU with 1.155v which gave me a BSOD, so I think this is as low as I can go (if it stays stable)

These are the current maximum temperatures I got

Core 0: 79C
Core 1: 83C
Core 2: 79C
Core 3: 76C

Ill post some screenshots tomorrow and let this run for some more hours.

~ Archcry

I am using realtemp instead of speedfan now, that may cause the difference.
But I just got some bad news which involves my familly so i'll switch to my second bios and put the overclocking on a hold

Thanks for all your advice and help, I will definitely continue when i have some spare time again

~ Archcry