4870X2 3d mark 03 bugged score thread

[STEvil]

yeah, I dont think its .NET now...

[hipro5]

I think that I have found something about it.......

YES my VGAs under COLD got bugged by the "low score".....
When I'm at -45*C, everything works fine......When I go below the limit of -45 to -50*C, I got low scores....
At -150*C, my VGA can go high BUT I have the "low score" bug.....
It has something to do with the temperature of:
a. the crosslink chip
b. the VGA's cores

I didn't had a lot of LN2 to test farther, but today I'll go and get some to test.
As for the a. , I have built an "AUTOcontrolled temperature electronic circuit" as for the crossfire chip so to keep it at + temperatures when the VGA goes under cold to see IF this is it or no.....
As for the b. , I'll think of something.....

Nor .NET neither the CCC are responsible of what happens here.......

[T_M]

Hehe, now you feel my pain that i warned you of (sorry - its not a good thing just 'good' to see im not the only one)

On Monday we had a 6400MHz E8600 and loads of LN2 ready to go, only to hit the bug and get nowhere yet again.

[hipro5]

I'll keep you informed.....

[Gautam]

My scores are with both GPU's at -110...

[hipro5]

Heh, heh, heh....NAILED IT.....




Working the Crossfire chip at ~ +20*C under cold....





This one was taken during "de-freezing" the VGA after the bench, that's why it shows that the Cross Chip is "frozen"...





I just added 2 x 27 Ohms resistors 5 Watts each in parallel and I fed them with 12V....

[George_o/c]

Man I've told you that again ... Your mods are scary ! Good job George

[Gautam]

Heh, heh, heh....NAILED IT.....

Now that's an understatement.

[Gautam]

I suppose I might want to add...there might be a middle ground as far as the bugging goes which might be what George has "fixed"...

Awhile back I had a run at ~6270MHz and 1000/1020 which scored only 119k. It wasn't a "true" bugged run...but the GT2/GT3 were unusually low...some 20-30FPS worse than they should've been. Seemed to be a side effect of high front side bus to me at the time...

[Sampsa]

Good job hipro (as always)

[dinos22]

nice one man

[George_o/c]

nice one man

What ? That's it ? (hipro and dinos) Come on, tease each other
Nice one grandpa George ... You filthy pron dinos ... What's the matter with you two ?

[dinos22]

What ? That's it ? (hipro and dinos) Come on, tease each other
Nice one grandpa George ... You filthy pron dinos ... What's the matter with you two ?

Shaddup You Face

[[XC] gomeler]

So the PLX chip just needs to run warmer than the cores. You test by chance how cold it can go? Would be nice to have it running sub-ambient rather than worry about portions of the card sweating. Guess once I get a 4870x2 or 4850x2 I'll play around a bit and test myself.

[George_o/c]

Shaddup You Face

I gotta say, I was

Whassamatta you?
Gotta no respect?
Whaddaya think you do?
Why you looka so sad?
It's-a not so bad
It's-a nice-a place
Shaddap you face



Hahaha, lovely song ... I know about it, 'cause my aunt has been leaving in Melbourne for the last 35 years or so Classic song !

[dinos22]

I gotta say, I was

Whassamatta you?
Gotta no respect?
Whaddaya think you do?
Why you looka so sad?
It's-a not so bad
It's-a nice-a place
Shaddap you face



Hahaha, lovely song ... I know about it, 'cause my aunt has been leaving in Melbourne for the last 35 years or so Classic song !

second Greek capital city

[George_o/c]

Yeah I know ... My aunt has told me that there are A LOT of Greeks there Maybe someday I'll visit her, 24hour trip is my main obstacle ... Thank god she is visiting us every 2 years If not, I wouldn't even have met her

[cadaveca]

PLX chip at fault here

temperature difference between cores @ fault?

[T_M]

Thankyou for this George, ill get cracking on a fix for mine when i get a chance
Trouble is im using tek-9's which almost cover the PLX fully

[hipro5]

Thankyou for this George, ill get cracking on a fix for mine when i get a chance
Trouble is im using tek-9's which almost cover the PLX fully

Thank you guys.......

T_M I'm using the Tek-9s too......BUT the very first ones if you take a look at the pictures.....You mean that you use the new "slim" ones?.....

[XC] gomeler, the PLX chip reaches - degrees even -30*C cuz it's TOO close to both cores.....IF you take a good look at the pictures, I have place a temperature sensor (brown/orange) below the heating resistors and I measured the temp of the PLX chip on an input of the rampage extreme mobo.....OPT 1 if I remember well........BUT it doesn't shows - degrees , it shows "N/A" below 0*C, so I had to put another temp meter that goes down to -50*C full rage to measure it.......

[G H Z]

im using tek-9's which almost cover the PLX fully

A small Kapton heater should do the trick

[hipro5]

You could ALSO find some nice SMALL Peltiers at 2 x 2 cm and place them opposite - the heating surface to the PLX chip.......

[blind_ripper]

just no words george

[eva2000]

You could ALSO find some nice SMALL Peltiers at 2 x 2 cm and place them opposite - the heating surface to the PLX chip.......

nice.. but how do you explain the low scores for stock hsf air cooled ? i'm getting the low bug on air.. maybe 100% fan speed too cool ?

[STEvil]

eva - there are good cards and bad cards.

Whats your MemIO temps on that card (GPU-Z and Rivatuner can show you)?