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Overclocking my i5-2500k - ASRock Questions

1K views 20 replies 8 participants last post by  draynoe 
#1 ·
Hey everyone,

I had a few questions about overclocking my i5-2500k. I have an ASRock Extreme 7 Gen 3 that I'm doing this with. I did a bit of research and found some overclocking numbers that seemed to be a good target for me to start with so I went with it.

I haven't done any extreme testing yet but so far everything is running great over the last hour or two.

Anyway, I have these questions if you guys wouldn't mind answering them:

- Do the settings I have in the image seem okay? All the voltages and everything? (Image is Below)

- If so and I wanted to try for 4.6 or 4.7 or maybe even 4.8 Ghz what voltages etc. should I increase and in what increments?

- Is it okay that after load the CPU Speed drops back down to 1.Something Ghz ... Should I disable something to make it always run at 4.5Ghz or is that not necessary?

Just fyi I did all the settings in the UEFI utility not in the ASRock utility if that matters.

Edit: One other thing I meant to mention - It seems that the computer takes about 15 seconds before the monitor shows the ASRock boot screen after turning it on ... Is that normal? This isn't really new, it did that before the OC but it seems to be a little longer now.

Thanks everyone!

Here's the setting:

CurrentSetupOC.png
 
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#4 ·
Quote:
Originally Posted by draynoe;15485096
Anyway, I have these questions if you guys wouldn't mind answering them:

- Do the settings I have in the image seem okay? All the voltages and everything? (Image is Below)

- If so and I wanted to try for 4.6 or 4.7 or maybe even 4.8 Ghz what voltages etc. should I increase and in what increments?

- Is it okay that after load the CPU Speed drops back down to 1.Something Ghz ... Should I disable something to make it always run at 4.5Ghz or is that not necessary?

Just fyi I did all the settings in the UEFI utility not in the ASRock utility if that matters.

Edit: One other thing I meant to mention - It seems that the computer takes about 15 seconds before the monitor shows the ASRock boot screen after turning it on ... Is that normal? This isn't really new, it did that before the OC but it seems to be a little longer now.
The settings seem good except the VTT. I had the best luck with my OC with a VTT of 1.129.

I'd keep an eye on the temps and try to keep your voltages under 1.45. I'm runing my 2600k at 1.49 volts to reach 4.9 GHz...but I have an RX360 liquid kit and my temps don't go over 60c
tongue.gif


The turbo drops the speed back down, that's totally fine and you'll save power by allowing it to do this.

Glad to see you're using the BIOS
biggrin.gif


Mine takes about 5-10 seconds to show the screen, not sure why...could be my monitor? Not a big deal.

Two things: keep the temps under 75c and volts as low as possible. Anything over 1.5vcore will likely cause degradation to the CPU, but with your cooling you probably won't be able to go over 1.45 volts.
 
#5 ·
draynoe and CarlosSpiceyWeiner, do you guys happened to use UPS too?

If so, it might be the cause of the delay... I have similar delay video show from system boot and from resuming from monitor power saving.

Not sure if plugging into a different power outlet on the UPS will help.

I didn't notice such video delays before using UPS...
 
#7 ·
Ruination - I was running Prime95 at the time I took the screenshot to place a load on the CPU to see if it was hitting 4.5Ghz
smile.gif
...

Skiivari - The temps are under a load but the test hadn't been running very long at that point. I'll have to run some more strenuous tests to see what it's like under a real load.

Carlos - Is my VTT of 1.059v too low? ... Also what about the CPU PLL Voltage - how does that look?

ocman - I do not use a UPS, just surge protector. For the CPU Core Temps - are they bad? This was under a mild load, not idle or under a big load
smile.gif


This is my first attempt at OC so I wanted to see if I could do it ... I basically came up with as many similar boards I could find and sort of cloned them around what I thought would work ...

Do you guys think that there are any other voltage combinations that would be safer etc? ... Sorry I am completely new to this stuff
smile.gif


Thank you much for your help!

Edit: Before OC'ng under no load the idle temps on CPU were always 28-30c... I think that with the low load in the screenshot it's okay ... I hope lol
 
#8 ·
Quote:
Originally Posted by draynoe;15485602
Ruination - I was running Prime95 at the time I took the screenshot to place a load on the CPU to see if it was hitting 4.5Ghz
smile.gif
...

Skiivari - The temps are under a load but the test hadn't been running very long at that point. I'll have to run some more strenuous tests to see what it's like under a real load.

Carlos - Is my VTT of 1.059v too low? ... Also what about the CPU PLL Voltage - how does that look?

ocman - I do not use a UPS, just surge protector. For the CPU Core Temps - are they bad? This was under a mild load, not idle or under a big load
smile.gif


This is my first attempt at OC so I wanted to see if I could do it ... I basically came up with as many similar boards I could find and sort of cloned them around what I thought would work ...

Do you guys think that there are any other voltage combinations that would be safer etc? ... Sorry I am completely new to this stuff
smile.gif


Thank you much for your help!

Edit: Before OC'ng under no load the idle temps on CPU were always 28-30c... I think that with the low load in the screenshot it's okay ... I hope lol
draynoe, UPS/Surge protector... so my conclusion is right or close to right.

Your temps are uneven is either the result of poor TIM application or the programs you use stress 3rd and 4th cores more under load... which I highly doubt the latter.

Normally say, the temps should be close if not the same by coincidence.
cheers.gif
 
#9 ·
ocman - Gotcha ... I didn't know that the temperatures across all four cores should be the same or really close to each other ... I figured that if one core was doing more processing it would be hotter than the others.

Thanks - Does anyone have any other suggestions as to adjusting voltages etc or re-applying TIM?

You guys are awesome!
 
#12 ·
Quote:
Originally Posted by draynoe;15486304
Will Do munaim1 - The H60 Cooler I bought came with its own TIM so I just applied the cooler to the CPU after watching a video on how to do it
tongue.gif


This was my first build and I lack some confidence in applying my own TIM lol!
I believe with flat surface cooler's, a small amount of TIM in the size of a rice grain usually does the trick and then just letting the pressure of the cooler do all the work. With HDT cooler's like the 212+, it requires a different method, 2 lines between the cooper pipes is usually the recommended procedure for best results..

The small rice grain should do the job nicely for your cooler. Here's an excellent article that can help in future: http://benchmarkreviews.com/index.php?option=com_content&task=view&id=170&Itemid=38

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#15 ·
draynoe, I got H-50 on mine.

Make sure you tighten the screws evenly firm following the order/instructions.

I used IC Diamond 7 (cost me $15 for a small tube
kookoo.gif
) when reinstalling the H-50 to the replacement mobo as I wasn't able to find Shin Estu anywhere near (the TIM that comes pre-applied on the Corsair CPU coolers)

Best was 1 degree Celsius drop in idle temp since both TIMs are very good.
 
#16 ·
Schmuckley - I did the OC'ing through UEFI not through Software
smile.gif
... I just had the ASRock tool up to show running voltages etc...

ocman - I will try to see how everything runs for a while and if the temps keep going wonky I'll get some good TIM and reapply.

Thanks!
 
#20 ·
I'm currently still working on my OC but I've already hit 4.7ghz @ Prime95 Blend 12 hours stable. These are my settings just for a reference. That video posted here uses "Offset" mode for the Core Voltage which I might mess around with.

CPU Ratio Setting: Manual
Max Ratio: 47
Internal PLL Overvoltage: Enabled
Intel Speedstep: Enabled
Turbo Boost Power Limit: Manual
Short Duration Power Limit: 300
Long Duration Power Limit: 300
Additional Turbo Voltage: Auto
Core Current Limit: 250
Host Clock Override (BLCK): 100
Spread Spectrum: Disabled
Power Save Mode: Disabled
CPU Core Voltage: 1.395v
Load Line Calibration: Level 2
DRAM Voltage: 1.5v
PCH Voltage: 1.612v
CPU PLL Voltage: 1.750
VTT Voltage: 1.116
VCCSA Voltage 0.925

Under Advanced CPU Config I have C3 and C6 states disabled
 
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