Intel burn in test passed but prime fails!! please help!!

[rjpullie]

Hi, I have an msi p45 zilent with q6600, 4gb ocz 1066mhz reaper ram, corsair 620 modular psu, the cpu is at 3.4ghz 425x8 1.35v, vt 1.4, have tried different voltages etc but different cores still fails prime after 1-2 hours but runs intel burn in test 20 times no problem???

It seems to play crysis n warhead, cod4 all other games perfect... should i be worried...
Also passes prime too if i lower to 3.2ghz 400x8 and lower voltages to
1.3v on vt and cpu

 

[helmutcheese]

That probably because I and few other think this Intel App is crap although some think its the next coming.

Prime can test 2 aspects of your CPU and also your Memory (Orthos can test 3 aspects of CPU) and also Memory.

 

[Pneumonic]

Hi, I have an msi p45 zilent with q6600, 4gb ocz 1066mhz reaper ram, corsair 620 modular psu, the cpu is at 3.4ghz 425x8 1.35v, vt 1.4, have tried different voltages etc but different cores still fails prime after 1-2 hours but runs intel burn in test 20 times no problem???

It seems to play crysis n warhead, cod4 all other games perfect... should i be worried...
Also passes prime too if i lower to 3.2ghz 400x8 and lower voltages to
1.3v on vt and cpu

how much RAM are you letting IBT use?

 

[kitfit1]

That probably because I and few other think this Intel App is crap although some think its the next coming.

Just about sums things up really.

The answer to your question is not all that difficult. Stop looking for short cuts to do a job that can't be done with shortcuts. Bite the bullet, chuck IBT where it belongs and use Prime or Orthos. If it fails a couple of hours of Orthos/Prime, but passes IBT, there is a strong chance (depending on which test failed Orthos ?) that ram subtimings might need tweaking.

 

[rjpullie]

okay il go back to 3.2ghz as its prime stable and work forward from there with orthos, thx

ps i used IBT as i was advised in a previous thread it was the ultimate stability test??? thanks for replies guys

@Pneumonic i was using all/maximum test for IBT

 

[Pneumonic]

odd I normally find 5 runs of IBT @ 1024mb will last 8hours + in prime..

IBT is a different type of calculation to prime/orthos.. one stable doesnt always mean the other... just as 8 hours primestable doesnt mean it will fold at that clock.. etc..

 

[kitfit1]

okay il go back to 3.2ghz as its prime stable and work forward from there with orthos, thx

That's the way to do it. You may need to bump Vcore a tad, or the NB voltage or tweak the ram a bit, or a mixture of all three. But do them one at a time and keep copious notes of what you do and the result of any single action. That way you will know straight away if you have set something which has made it more stable or unstable.

ps i used IBT as i was advised in a previous thread it was the ultimate stability test???

I've spent the best part of the last 20 years clocking. During that time peeps have come up with hundreds of "ultimate stability tests". They all had one thing in common, "it's faster and better than Prime". All of them were rubbish of course, because they were pandering to the inbuilt lazziness in all of us. I'm afraid with clocking, you only get out of it what you put into it. Read that as "rubbish in, rubbish out".

 

[Strife212]

Well my PC passes Prime, Memtest and Scandisk with no errors, yet half the time it wont boot up because no hard drives are detected or it does boot and instantly BSOD's and it also randomly crashes.

Motherboard problem?

 

[kitfit1]

Motherboard problem?

Don't know, but it is certainly a hardware problem.

 

[helmutcheese]

Well my PC passes Prime, Memtest and Scandisk with no errors, yet half the time it wont boot up because no hard drives are detected or it does boot and instantly BSOD's and it also randomly crashes.

Motherboard problem?

May be PCI-E bus due to OC on the FSB esp if HDD missing you could corrupt your OS Install.

I would assume you have Locked your PCI-E bus to 100mhz or such (some need 101/105/110 even 115) to help OC.