**Official DFI LanParty UT P35-T2R Review/Overclock/Guide Thread**

[kberguy1]

If I can get people to post their overclock settings and GTL settings, I will take the time to make a chart and post the results. I know that the GTL settings and voltages vary, and that there is no "one" magic setting, but I think it would be helpful for newcomers to see what other people are using.

If willing, please post your processor type, overclock achieved including multiplier and FSB, and GTL settings. As GTL is tied to voltages, please also note CPU VTT and NB core voltages.

Note: I would looking for STABLE settings, don't list what worked for only an hour or two.

Praz has suggested the following: If you are going to do this might also want to list BIOS version as VTT/GTL tables are slightly different between a couple of versions. Might also want to list stability something like this. Prime95,Blend/2hrs or Orthos, sFFT/4hrs.

Why don't we add Prime 95 Blend for 4 hours as a requirement using Prime 95.6, which was linked on last page. That way we will get settings that are at least close for others to try.

I will compile a list of results in 1 week to give everyone time to verify their results are stable.

[Praz]

Originally Posted by kberguy1

If I can get people to post their overclock settings and GTL settings, I will take the time to make a chart and post the results. I know that the GTL settings and voltages vary, and that there is no "one" magic setting, but I think it would be helpful for newcomers to see what other people are using.

If willing, please post your processor type, overclock achieved including multiplier and FSB, and GTL settings. As GTL is tied to voltages, please also note CPU VTT and NB core voltages.

Note: I would looking for STABLE settings, don't list what worked for only an hour or two.

Thanks

If you are going to do this might also want to list BIOS version as VTT/GTL tables are slightly different between a couple of versions. Might also want to list stability something like this. Prime95,Blend/2hrs or Orthos, sFFT/4hrs.

[Sepander]

Originally Posted by WiTcHkInG

What bios are you people with these new 45nm chips using?

Installed my chip with 24/12 on and it worked ok. Booted up went int bios and changed my hdd settings and a few other things, didnt change any cpu or ram settings. Saved and restarted and nothing, error codes all to crap. Was just stuck on a 1 second boot then stop loop. Reset bbios with jumpers same thing, took battery out and left it a while put it back in, no difference.
So i put an old P4 chip in to make sure the board was ok and it booted fine.Flashed bios to latest beta 1/09 and put E8400 back in and same crap happens.
Had battery out for 2 hours earlier still not going right but managed to get working after pressing the ezclear switches for a bit. Dont wanna restart now in case it dont work again.

I've got the same problem with my E8400 when using 12/24 or 01/09.

11/07 works like a champ.

[dark22]

can all dfi p35 hit 600 fsb?

[ixtapalapaquetl]

Originally Posted by emoners

Anyone with Wolfdale noticed your CoreTemp posting weird/inaccurate temps?

I'm using CoreTemp 0.96.1 & noticed that my temps aren't moving, when i compared it to SG, it's way way off...could this be a bios thing? (01/09 Bios)

I have a similar issue using the 12/24 bios. just got the cpu last night and am apparently experiencing very high core temps (55C idle, 83C load, 20ishC ambient, 1.29ish volts) using a scythe ninja and arctic ceramique. temperatures were virtually identical after reseating, and were radically lower using same mounting techniques and e6600.

so my question lies in the image below. Everest shows my cpu temp is a much more plausible 38C. could the core temps be erroneous? i primed all night at 8x500 with core temps as high as 83C, which shouldn't be possible, right?

Edit: more info - shows CPU Core Temp of 51C in bios, if that helps

[Brother Esau]

Originally Posted by dark22

can all dfi p35 hit 600 fsb?

NO!

[C-N]

No more Wolfdale for me my 2nd one just popped @ 4.2Ghz 1.475v

I don't think the DFI likes these 45nm chips too much!!

Back to the Q6600 for me

[Brother Esau]

Or just maybe Intel is not as forthright as AMD is about current offerings and problems associated with them!

[BlueAqua]

Well since he's the only one I've seen that has killed a cpu(well two now, cheer cheer) I doubt it's a widespread problem.

[mrcape]

Originally Posted by C-N

No more Wolfdale for me my 2nd one just popped @ 4.2Ghz 1.475v

I don't think the DFI likes these 45nm chips too much!!

Back to the Q6600 for me

Yikes what were the batches and vids on those two that died?

That sux! I can see why you'd want to go back to quad. I'm getting my second 8400 thurs but I haven't had any problems as far as I know. My max vcore has only been 1.45 so far. I'm really curious to see if they degrade at all though.

[Brother Esau]

Thats like the TLB Errata Problem with Phenom nobody gets it but yet the Propaganda Train is Rolling at Full Speed down the Tracks delivering disinformation to all of the girls and boys.

[C-N]

Originally Posted by Brother Esau

Or just maybe Intel is not as forthright as AMD is about current offerings and problems associated with them!

Originally Posted by BlueAqua

Well since he's the only one I've seen that has killed a cpu(well two now, cheer cheer) I doubt it's a widespread problem.

Difficult to know where to stand on this one guys but I know I'm not raping them with voltage or cooking them & like you say I haven't heard of any others die apart from one 8500 but that was blamed on the PSU.

Originally Posted by mrcape

Yikes what were the batches and vids on those two that died?

1st one Q745A 2nd one Q744A both had 1.1125v vids to start but I did notice both of the vids changed in core temp down to 1.03** & 1.0500v respectively just before they died.

Originally Posted by mrcape

That sux! I can see why you'd want to go back to quad. I'm getting my second 8400 thurs but I haven't had any problems as far as I know. My max vcore has only been 1.45 so far. I'm really curious to see if they degrade at all though.

My 1st one had been to 1.4v for a short period of time but it was at 1.3625v when it died, I noticed no degradation it just popped.

My 2nd one had been to 1.6v & I did notice it lost the ability to boot into windows @ 600fsb within the first few hours but it could still hang 590 fine. I also ran this one overnight at 4GHz & 1.4v & it was fine but today when I started pushing up the fsb from 500 to 512 I noticed the CPU needed an extra bit of voltage to do what it had previously benched.

I was happy 4.1GHz was/would have run fine & moved on to 4.2GHz & after about 1 hour of benching the CPU needed another small voltage bump from 1.45~1.475v to run what it had already been running fine at. At this point I started to think the CPU was degrading & thats when after checking all my BIOS settings again I noticed the vid had changed!! literally 15 minutes later it died.

I have my Q6600 back in with all the same hardware & she's doing 480 x 8 with DDR1200 & all is well again.

CN

[BlueAqua]

That's a shame. Thanks for the information though, I'll keep an eye on my two and see how they do overtime to see if we can develop any trends.

[karateo]

Originally Posted by Praz

GTL 1/3 corresponds to the first two threads of Prime95. GTL 0/2 matches up with threads 3 and 4. If either thread for one core consistently fails adjust the CPU GTL for that core. If the failures are random between cores adjust NB GTL. You need to use Prime95 v25.6d.

http://www.mersenneforum.org/attachm...6&d=1199113967

Regarding the GTL percentages,
what is the minimum or maximum value we should start from?
I mean what is the starting point to find a stable setting?

I am looking forward for your E8xxx results

Also, how is VTT is related to vcore? I can boot into Vista 64bit and play FSX for about half an hour and surf on the net with NO problems at all, but Prime/Orthos fail withing the first 5 seconds!

I can do a SuperPi 1M and 32M without problems.

Is there any incompatibility with prime and Vista 64??

[Praz]

So far it seems like the 8xxx processors are happy with CPU GTL values around 63% with the NB GTL at 67%. Be sure you're using the 64 Bit version of Prime.

[karateo]

and how about VTT?
should I leave it default (1.1) for max 1.34 vcore?

(thanks for immediate respone )

[Praz]

VTT needs to be whatever value stabilizes the bus regardless of VCORE.

[turtletrax]

Originally Posted by Brother Esau

Or just maybe Intel is not as forthright as AMD is about current offerings and problems associated with them!

Ya, we all know how forthright AMD has been...

Originally Posted by Brother Esau

Thats like the TLB Errata Problem with Phenom nobody gets it but yet the Propaganda Train is Rolling at Full Speed down the Tracks delivering disinformation to all of the girls and boys.

These chips have the most changes to CMOS design in 40+ years. We cannot claim to understand how they react to overclocking without trying. Its not like they had problems with 65nm.

Give this a read before you start the FUD train.

http://www.spectrum.ieee.org/oct07/5553

[Mav451]

Originally Posted by C-N

1st one Q745A 2nd one Q744A both had 1.1125v vids to start but I did notice both of the vids changed in core temp down to 1.03** & 1.0500v respectively just before they died.

Whoa.

Can any EE/CompE's theorize what that means? Or how/why a changing VID value would be linked to a dying Wolfdale?

*and now I just realized. I wonder if any of this funny business is linked to the quad delays?

[cantankerous]

Originally Posted by Praz

So far it seems like the 8xxx processors are happy with CPU GTL values around 63% with the NB GTL at 67%. Be sure you're using the 64 Bit version of Prime.

Hi Praz. You linked us earlier to a new build of Prime95 being 2.56d. Was that a link to the 64 bit version, or the 32 bit version? If it was the 32 bit version is there a link to a true 64 bit version of the new 2.56d? Thanks.

[Praz]

George just released the 64Bit version.

ftp://mersenne.org/gimps/p64v256.zip

[cantankerous]

Great, thanks. I actually found it myself browsing through the FTP and was just coming back here to post the link myself, but you beat me to it.

Would you say the 64bit version tests differently than the 32bit version under a 64 bit OS to the point that it may fail a test where the 32 bit version wouldn't?

[Praz]

Don't know. I'm sure it's tuned for 64Bit operation whatever that may mean. On the surface it looks like a very simple program. But the fact is it's full of jumps and branches that are dependent on platform, processor type and chipset. So most likely there are significant differences between the two versions.

[cantankerous]

Ok, guess I better start testing with the 64bit version to see how it holds up compared to the 32bit version which held up quite well at my current OC. Perhaps I will be in for a nasty surprise on the 64bit version but let us hope not.

[georgesod]

So is there a bios than can handle the wolfies 8500 with .5 multi?