Plz Help me with my 2500k memory speed overclock.

[dx11101]

i5 2500k stock cooler (stock speed)

Gigabyte p67-ud3-b3

8GB DDRIII 1600 Kingston hyperX (running at 1333Mhz default)
http://www.newegg.com/Product/Produc...82E16820104242

Asus 6870 Direct CU 1GB (stock speed)

windows 7 64 home prem

Hi guys, I decided to try to upclock my memory from the 1333 default to 1600Mhz. First attempt when I used manual 1600 and auto timings/voltage windows froze on boot. 2nd attemp I changed the timings from 9 9 9 24 to 9 9 9 27 and the voltage from 1.5 auto to manual 1.6v. I Was able to boot and run things for a couple days but had a couple mysterious hard lockups(once during opening GPUZ and 2nd running sisoft arithmetic). Things seemed fine according to prime95 but I am still getting random crashes. Not bluescreens but just frozen windows.

Is it better to go back to 1333 and just play with the multipliers?


Is their anything else I can try?

 

[videopho]

Your mobo should be able to run at 1600 w/o any tweaking.
Can you use profile1 instead of default?

 

[dx11101]

what is profile 1? I have not programmed any overclocking profiles

 

[videopho]

Not familiar with your mobo but my last two (also GB) have what it is called "profile1", enable it will default to my ram actual speed or 1866 (see sig). Otherwise that it uses default or 1333.
Go to advance setting for ram and look for it.
In my case it is called X.M.P or Extreme Memory Profile.

 

[dx11101]

I am trying out what you suggested right now. Looked at the timings and voltages from Profile1 and they seem more complete, in other words, I dont think I set everything that I was supposed to set.

 

[videopho]

That's right.
The term "Profile1" seems to mislead that this is a "customized" profile that isn't.
Using it somehow gives you the correct ram timing.

 

[dx11101]

I still froze up running prime 95 after a few min. I dont get red workers I just plain freeze, w/o a BSOD. What do you think the culprit might be? I read up on the 2500k official specifications and intel says its DDRIII 1066 to 1333. Perhaps my chip is just not as high quality?

 

[toyota]

you should just be able to select XMP profile right there in the bios. maybe that memory is not really compatible with your system though. and manually trying to run memory specced for 1.65 at 1.5 or even 1.6 might not work out. really I would by some appropriate 1.5 memory for your system.

 

[john3850]

The first thing that should be done is to run your memory at spec. which is 1.65V not 1.6V.
Set timming to default 1.65volts 9-9-9-27 at 1600 and try it.
You never stated the amount of memory your using.

 

[videopho]

He did at 8gb.
Definitely it is the voltage related.
At 4gb is no sweat but at 8 GB the mobo is starting to complain.
I'd pull one sim out and run Prime95 to confirm.