Official Intel Gulftown (Westmere) Overclocking and Batch Tracking Thread

[SteveRo]

But it does make the chip not clock as high when enabled, which I think was his point.

Yes, was true for 45nm, probably also true for 32.
When I get a chance, I will rerun with HT on and see how far I get - probably not 4.7 but we'll see.

[hlonipha]

But it does make the chip not clock as high when enabled, which I think was his point.

my 4.6 ghz is with HT enable. will try 4.7 this weekend.

[tool_462]

My chip runs 4.6Ghz with HT, I haven't done much without HT but I did bump it up to 4.72Ghz from 4.6Ghz with Easy Tuner without HT and it ran LinX 20 passes fine, was testing Gflops though not 24/7 settings.

[SteveRo]

My chip runs 4.6Ghz with HT, I haven't done much without HT but I did bump it up to 4.72Ghz from 4.6Ghz with Easy Tuner without HT and it ran LinX 20 passes fine, was testing Gflops though not 24/7 settings.

Seems like the 980 is working out to be a very nice oc'er so far, don't you think?
All of us seem to be having good results to this point.
I'm a bit concerned that if we push vcore too far there is a cliff that we're not seeing.

[[SYF] Karma]

ok got mine







sorting bios etc tomorrow, then ill get some up

[Musho]

ok got mine







sorting bios etc tomorrow, then ill get some up

Nice! First time I've seen the new stock cooler. Looks decent enough, especially if you compare it their regular stock coolers How well does it cool compared to a highend aftermarket air cooler though?

[SteveRo]

Karma, thanks for the nice pics - time to get going on assembly!

[SteveRo]

Don't forget that he didn't use HT and use some really cold water.

Ok so this time with HT on, I probably didn't need 1.5v vcore but I didn't want to spend a lot of time at high voltage to find the lowest v.
Cooling was the same 2x boreas in series to an apogee XT block.
I might try to up my pcmark vantage score this weekend.
Gflops must be broken.

[crashmax]

Hi there

This is my first run with i7 980X B-Batch on water. I'm sure this thing can go higher...

[zalbard]

Hi there

This is my first run with i7 980X B-Batch on water. I'm sure this thing can go higher...

Nice start! Keep us updated!

[lawtq]

Hi there

This is my first run with i7 980X B-Batch on water. I'm sure this thing can go higher...

It sure can go higher, my B batch is at 4.6ghz stable at 1.4375v this is with HT on!

32nm is amazing, I cant wait for a further shrink

But this chip is crazy expensive, my first time with an extreme, almost broke my bank account! So am settling for 4.5ghz at a lower then 1.4v which is intels max safe voltage, 4.5ghz at 1.39v rock solid stable!

[Rubycon]

Hey guys if you notice your GFLOPS and temps both look lower when running LinX...

For quicker tests try 512MB size. Change number of problems to run to number of minutes to run and select 300. This will run the program for 5 hours regardless of problem size. Do note that if you choose a problem size small enough that you can overflow the program! It has a hard limit of 2^16-1 or 65535 passes and will produce an error after that regardless if you are stable or not. Not that having problem sizes that small does anything...

I've also found that if you select ALL memory it WILL produce max stress/temp/gflops! So it's basically 512MB or bust with 980X. (to FULLY stress the CPU!) But don't run 20 passes only - it's just not enough! 300 minutes - 5 hours - should be enough. If you don't produce errors/crash at that point it should be stable enough IMO. Just remember that selecting anything OTHER than 512MB or ALL will NOT fully stress your CPU! This cannot be stressed enough. (sorry for the pun!)

[eva2000]

Hey guys if you notice your GFLOPS and temps both look lower when running LinX...

For quicker tests try 512MB size. Change number of problems to run to number of minutes to run and select 300. This will run the program for 5 hours regardless of problem size. Do note that if you choose a problem size small enough that you can overflow the program! It has a hard limit of 2^16-1 or 65535 passes and will produce an error after that regardless if you are stable or not. Not that having problem sizes that small does anything...

I've also found that if you select ALL memory it WILL produce max stress/temp/gflops! So it's basically 512MB or bust with 980X. (to FULLY stress the CPU!) But don't run 20 passes only - it's just not enough! 300 minutes - 5 hours - should be enough. If you don't produce errors/crash at that point it should be stable enough IMO. Just remember that selecting anything OTHER than 512MB or ALL will NOT fully stress your CPU! This cannot be stressed enough. (sorry for the pun!)

5hrs linx run Talk about crashing a car into the wall to check if the air bags work! Unless you want to prematurely kill components then 5hr linx runs are fine, otherwise really you don't need to stress for so long with linx, 24/7 day everyday apps will never come close to stressing the system like linx/prime95!

[mk-ultra]

ahaha people are getting crazy about linx stressing, i can do 20linx pass and still crash while playing bfbc2, uneeded stressing indeed it is

[eva2000]

ahaha people are getting crazy about linx stressing, i can do 20linx pass and still crash while playing bfbc2, uneeded stressing indeed it is

In that case, you should tune/tweak your settings for the specific app first then retest for linx

[Rubycon]

ahaha people are getting crazy about linx stressing, i can do 20linx pass and still crash while playing bfbc2, uneeded stressing indeed it is

Does that crash when your system is not overclocked?
Perhaps something else (outside of the cpu) is not liking your o/c well.

I see lots of screen shots with amounts different than ALL or 512MB that is all. Those simply cannot be taken as stable because it's not stressing the system fully. This seems to be an issue with systems with more than 8 threads as our Dual Xeons do this as well.

I can Prime95 a system day and night and the same system will produce an error in LinX 512MB in under a minute - sometimes 5 minutes. But it produces an error. Does it crash in Windows? Nope. Even after encoding a video taking 20 minutes no crash or artifacts either...

I guess some define stability differently. That is why I must acquire no less than TWO of everything in case it dies/breaks or whatever.

With CPUs if I have a system that's going to be overclocked I believe in the drive it like you stole it philosophy. That does not mean common sense goes out the window (drive off a cliff) and try silly things like 1.6 vcore etc. But you know what I mean.

Now if someone can tell me what those SIGNAL values in the Classified 762 BIOS are for...

[mk-ultra]

i don't run linx on my cpus anymore, vantage cpu test takes 2minutes and is as good at showing stability than those stressing tool

it was with w3520 that i experienced bsod in bfbc2 cod even after passing linx
but i don't want start a debate about this, i just personally think linx is a waste of cycles but that's just me

[SteveRo]

i don't run linx on my cpus anymore, vantage cpu test takes 2minutes and is as good at showing stability than those stressing tool

it was with w3520 that i experienced bsod in bfbc2 cod even after passing linx
but i don't want start a debate about this, i just personally think linx is a waste of cycles but that's just me

which vantage - 3dmark v cpu test?

[lowfat]

i don't run linx on my cpus anymore, vantage cpu test takes 2minutes and is as good at showing stability than those stressing tool

it was with w3520 that i experienced bsod in bfbc2 cod even after passing linx
but i don't want start a debate about this, i just personally think linx is a waste of cycles but that's just me

How much of a workload does your CPU do though? No way would I ever do a 2 minute test to have a machine that has all its threads under full load frequently.

[mk-ultra]

yes 3dmark vantage cpu test

like i said it's not a be all end all stability test, neither is linx.

vantage cpu test tells me what i can expect, encoding in h264 will tell me if i'm bulletproof or not. If there's some small voltage adjustment to be made i'll do them if x264 process fails

what i do with my cpu?
i encode with x264 and play games and overclock,
no i'm not a folder, so i'm not stressing 24/7

so basically, my goal is to be stable with x264, no way i'm running linx just for kicks when i can encode and make sure my oc is stable at the same time.
you can run linx all your life for all i care, i don't talk for everybody out there, i'm talking for myself, and a way to determine MY oc that i know will works for ME

[Rubycon]

How much of a workload does your CPU do though? No way would I ever do a 2 minute test to have a machine that has all its threads under full load frequently.

This.

The purpose of repeated/prolonged test is to produce a failure. If a system passes at 10X then try 20X (or longer). You do reach the point of diminishing returns as you increase time. There is no guarantee of assured stability outside of running stock. But that's about as boring as reading a book on kitchen safety so I will not even go there. (or get a Dell!)

If this particular test could be looped that may be much more reliable.
I wish there were a way to loop cinebench and this fractal benchmark I have. That one produces more stress than Linpack but does not loop. I've verified it by power readings on line analyzers.

LinX is a good place to start. Put it on and go to bed. If you pass then move on to something else. (or do what any self respecting overclocker does - jack up the speed!)

[tool_462]

Can we try to avoid turning another thread into a useless and rehashed "how stable is stable?" discussion?

On note of the topic, I had my block off my chip and was going to check the batch...then I forgot

[NCspecV81]

3003b242





cpuz for normal air @ 1.5v

http://valid.canardpc.com/show_oc.php?id=1112096




SS cooling on the 980 and stock on the 5870

[zalbard]

That's a strong chip!
What were your temps?

[lawtq]

Best batch I think!!