RV670 862Mhz CLOCKLIMIT FIXED !

Tim_HKG said:

Sapphire had released a HD3870 ES Bios:

1. fixed the 862MHz limit.
2. fixed bugs of the fan speed from always 25%-25% to 35%-50%.

Click to expand...

is this bios a real sapphire work, or is it one of thoses moded bios we can find all around the net?

does anyone have an original HIS "not over 863" bios.. i ask cos i never saved mine..

interestingly i have flashed back to what is claimed to be an original HIS bios and it flies straight past the 862 mark.. i wonder if there are two HIS ones..

there seem to be two bios file sizes out there 61k and 64k.. the HIS ones weigh in at 61k the others at 64k including the first modded one and the two saphire ones i have..

from my experience without volt mods these card are not stable above the 862 speed so its all a waste of time anyways.. my advice unless u like playing is just to stay with the one that comes with the card..

trog

bichonn said:

is this bios a real sapphire work, or is it one of thoses moded bios we can find all around the net?

Click to expand...

1. My Gigabyte HD 3870's original bios:
- P/N: 113-B33904-102
- Bios Version: 010.067.000.000.026905

2. Fixed Bios at techpowerup's download section:
- P/N: 113-B33904-103
- Bios Version: 010.071.000.000.00000

3. Sapphire ES Bios(as it was said):
- P/N: 113-B33904-X03
- Bios Version: 010.071.000.000.00000

There's no way to justify whether it's really come from Sapphire, at least Sapphire wouldn't say a word on it. However, my HD 3870 is running with this Sapphire ES Bios now, no problem at all. Besides, it does really have a higher fan speed!

Try it yourself, it doesn't harm if you know how to "flash blind".

Can anyone teach me "blind-flashing" or at least provide a link

btarunr said:

Can anyone teach me "blind-flashing" or at least provide a link

Click to expand...

http://bios.techpowerup.com/articles//overclocking/vidcard/34/8
blind flash = same as in the guide but naturally with no picture on the monitor

Tim_HKG said:

1. My Gigabyte HD 3870's original bios:
- P/N: 113-B33904-102
- Bios Version: 010.067.000.000.026905

2. Fixed Bios at techpowerup's download section:
- P/N: 113-B33904-103
- Bios Version: 010.071.000.000.00000

3. Sapphire ES Bios(as it was said):
- P/N: 113-B33904-X03
- Bios Version: 010.071.000.000.00000

There's no way to justify whether it's really come from Sapphire, at least Sapphire wouldn't say a word on it. However, my HD 3870 is running with this Sapphire ES Bios now, no problem at all. Besides, it does really have a higher fan speed!

Try it yourself, it doesn't harm if you know how to "flash blind".

Click to expand...

OK thanks, I will try it, although my connect3D seems to have a good fan regulation. I can hear it spinning higher when I play.

BTW: if anyone want's to try my connect3D bios, just let me know and I will send it.
-P/N: 113-B33904-102
-Bios Version: 010.067.000.000

i would like a higher fan speed.. running the rivatuner monitor while the fur bench is running tells u exactly what your fan is doing..

my HIS bios and the (over 863 one) one on techpowerup both hit 45% at 93 C.. i assume if the card gets hotter (it never has so i dont know) the fan speed would increase..

so what fan speed does this "faster" saphire bios do.. ?????

trog

ps.. the two at the bottom of your list 112007.bin and Sapphire_HD3870_fixfan_unlock.bin are byte for byte identical i have compared them useing beyond compare.. the fan runs the same as my HIS bios..

here is pic of my HIS fan speed.. basically nothing much happens till the temps get near 90 C then the fan speeds up.. its very critical and will hit 45% by the time the card get to 93 C.. in the example in the pic it didnt get to 93 C and the fan never fully sped up..

the room/case temps affect all this and it all starts to happen around the 90 C mark..

trog100 said:

i would like a higher fan speed.. running the rivatuner monitor while the fur bench is running tells u exactly what your fan is doing..

my HIS bios and the (over 863 one) one on techpowerup both hit 45% at 93 C.. i assume if the card gets hotter (it never has so i dont know) the fan speed would increase..

so what fan speed does this "faster" saphire bios do.. ?????

trog

ps.. the two at the bottom of your list 112007.bin and Sapphire_HD3870_fixfan_unlock.bin are byte for byte identical i have compared them useing beyond compare.. the fan runs the same as my HIS bios..

Click to expand...

Firstly, there are now 2 versions of every manufacturers BIOS, the origional one with the PLL error (hence the 862 limit) and now every card being made has the revised BIOS with the PLL fix, hence the 2 different ones for HIS.

You can easily enuff mod your BIOS yourself for custom fan speeds, if you have not done it before I am quite happy to do it for you if you upload your BIOS here m8.

if u can tatty i would be glad to let u.. but having run this fan test countless times and getting the wrong idea i now think i know how it all works..

firstly.. the card is designed to run at 90 C or just slightly over when under load..

when it hits 90 C the fan starts to power up.. i have never seen mine go over 45% at 93 C but in a hot case or room i think it would go as fast as it needs to to try and maintain the target temp of 90 C..

we are not seeing higher fan speeds simply because at the target temp of 90 C there is no need for higher fan speeds..

my choice would be to simply lower the target temps to 80 C while leaving everything else alone..

there is a link here tatty with an HIS bios to play with.. its the one i am useing at the moment.. its the one from a guy called Karma..

http://www.mvktech.net/component/option,com_joomlaboard/Itemid,34/func,view/id,47157/catid,12/

basically if possible it needs the target temp dropping from 90 to 80c..

trog

ps.. got the guys name wrong.. its Jakus..

this thing is quite clever.. it also only goes into fullspeed gpu mode when the core is fully loaded.. its not just two speeds.. its variable..

its rigged for low power consumption and low noise..

running the fur bench in a window at 800 x 600 when the bench is well system limited the gpu dosnt fully speed up.. it runs about 1/2 its full speed..

trog

Hey trog and tatty, been reading loads of ur posts and trog you seem to have done everything pretty much the same as me. I was looking at the MSI 790X but am gonna wait now (i've got a Abit Kn9S atm which works alright) I've got a HIS 3870, day of release) I've tried some of the modded bios's but found them to be a bit unstable. I'd like to find a HIS specific bios that fixes fan speed, PLL divider and keeps rock solid stability...not hopeful

What processor are u running trog and also what scores u get on 3dMark? I've set the same settings as you for crysis (i'm on 1680 x 1050 also) and found similar results until the last few zones which crunch up a bit but have found instability throughout. Also are you running vista or XP? CHEERS

P.S. do you know the performance differences between x8x8 (790X) and x16x16 (790FX) ty

These pictures answer all!




The higher the temperature, the faster the fan's speed; the lower the temperature, the lower the fan's speed!

Of course, with a workable bios editor, everybody could set which fan's speed at which temperature, just like what I've done on my previous BBA Sapphire X850 XT PE AGP(costed me a lot of money...sigh)!

Thus, this Sapphire ES bios works! It doesn't work only if your card's fan speed still fixes at 25% or probably messing up with some other third-party softwares like RivaTuner, ATiTool...etc.

Further, next shipment of all HD 3870 will probably have new fix-bugs bios flashed!

SteeMcghee said:

Hey trog and tatty, been reading loads of ur posts and trog you seem to have done everything pretty much the same as me. I was looking at the MSI 790X but am gonna wait now (i've got a Abit Kn9S atm which works alright) I've got a HIS 3870, day of release) I've tried some of the modded bios's but found them to be a bit unstable. I'd like to find a HIS specific bios that fixes fan speed, PLL divider and keeps rock solid stability...not hopeful

What processor are u running trog and also what scores u get on 3dMark? I've set the same settings as you for crysis (i'm on 1680 x 1050 also) and found similar results until the last few zones which crunch up a bit but have found instability throughout. Also are you running vista or XP? CHEERS

P.S. do you know the performance differences between x8x8 (790X) and x16x16 (790FX) ty

Click to expand...

i have tried a few different bios's they seem to come in two sizes 61k and 64k i recon the smaller ones are the originals which black out at over 862.. the bigger ones dont seem to do this..

stability wise they all seem the same.. the clock speed shown in overdrive differs thow.. at the moment i am trying what i think is a Mk2 real ati bios.. overdrive says 832 rivatuna says 823.. the next step up is 837 both say the same at this setting.. i could get 830 with the smaller Mk1 bios..

the card games stable in cod 4 and crysis at 830 on the Mk1 bios.. anything higher produces the odd vpu recover.. this is with the card at 90 C..

apart from the different actual clock settings i recon stability is the same whatever bios u use.. without volt mods the cards are not stable at 860 anyways..

see specs for what i am running.. i score about 11000-ish in 3dmark 2006..

as u say crysis slows down during the end of game carrier deck scenes.. there is one hell of a lot going on thow.. he he he

cod 4 just bombs along nicely fully maxed out at 1680 x 1050..

i dont think at the moment there would be any speed difference between the 790x and 790fx with the cards we have.. more a future thing i think..

i know my abit na 520 board went faster thow.. which pisses me off slightly..

trog

Thus, this Sapphire ES bios works! It doesn't work only if your card's fan speed still fixes at 25% or probably messing up with some other third-party software like RivaTuner, AtiTool...etc.

Click to expand...

so far having tried pretty near every bios i can find i have not found any that are fixed at 25%.. so i dont till proved wrong believe that any are fixed at 25%..

i dont see any fan speeds shown in your pics and the autotune tool is not a good thing to use to see whats happening.. the fur bench does far better job..

trog

trog100 said:

so far having tried pretty near every bios i can find i have not found any that are fixed at 25%.. so i dont till proved wrong believe that any are fixed at 25%..

i dont see any fan speeds shown in your pics and the autotune tool is not a good thing to use to see whats happening.. the fur bench does far better job..

trog

Click to expand...

Yes, you're right! ATI Overdrive's not functioning accurately on HD 3870 as comparing to my previous X850 XT PE, X1950 PRO but as least it can still be using for generating heat for testing purpose.

About the speed of the fan, I have no way of seeing it unless the LM63(???) has communication with a software.

Here's the temperature shown on Fur's 180-second stability test at 870/1251.

mine has to run the fan at 100% to get temps down there.. something is wrong..

noise wise..

25% pretty near silent..

50% audble but not overly so.. least not for gaming..

75% getting noisy but i recon okay for gaming..

100% sounds like a leaf blower but keeps the card temps down around 60 C..

so u cant see fan speeds.. how about the ear test..

trog

Trog, loaded the HIS BIOS, no damn BIOS editor! of course nothing supports the 3870 yet? so cannot do it for ya

Tatty_One said:

Trog, loaded the HIS BIOS, no damn BIOS editor! of course nothing supports the 3870 yet? so cannot do it for ya

Click to expand...

he he he.. i think the world would welcome a bios that keeps the card a little cooler left to its own devices.. never mind.. one will appear soon i recon..

trog

he he he.. my HIS 3870 had now become an MSI O/C edition running a default core speed of 800mhz..

another Mk1.. 61k bios.. exactly the same as the HIS one except for the different core speed.. i was hoping they might have tweaked the fan speed a little..

trog


ps.. what i am looking for is gecube turbo bios.. they fit their own cooler so might well have tweaked the bios fan speeds..

trog100 said:

mine has to run the fan at 100% to get temps down there.. something is wrong..

noise wise..

25% pretty near silent..

50% audble but not overly so.. least not for gaming..

75% getting noisy but i recon okay for gaming..

100% sounds like a leaf blower but keeps the card temps down around 60 C..

so u cant see fan speeds.. how about the ear test..

trog

Click to expand...

Noise level and performance is similar to using RivaTuner's "fixed 50% fan control."

The automatic fan profile of this bios starts in at 35% and ends up at 50%(guess when temperature's reaching to 50-55C).

nope.. having tried all fan speeds and lots of bios's 50% fanspeed will run the card at around 75 C or slightly higher

without any doubt at all the leaf blowing (fixed rivatuner) 100% is needed to keep the card around 60 C..

something is messing your figures (guesses) up..

the way all the bios fan speeds work in all the bios i have tried is the same..

when first booted into windows with no 3d apps run the fan is off.. its stays off.. the card runs about about 50 C with what amounts to passive cooling..

when a 3d app is run the card rapidly heats up to around 90 C.. the fan starts to come in before this but quite slowly.. around 30% at 90 C.. if the card reaches 93 C the fan speeds up to 45%..the card temp stabilizes around 90 C.. the fan slows down a bit..

when the 3d app is closed the fan speed drops off to 23%.. it seems to stay this way.. the card takes a while to cool back down again..

if it ever gets back down to around 40 C the fan switches off again.. it rarely does thow and seems to keep running at 23%..

ATI seem to have set 90 C as a target temp.. the fan makes no attempt to get the temps lower even thow it could easily do..

it all seems set up for silent running and the card temp being around 90 C.. ATI must be quite happy with 90 C.. perhaps we should also be.. dunno..

trog

ps.. there does seem to be two basic kinds of bios out there.. the Mk1 61k ones and the (i think) Mk2 64k ones.. the smaller ones do the black screen trick the bigger ones dont.. 3k is a fair size difference so the bigger ones might do something else i dont know.. but apart from the black screen thing and using different timing jumps i cant find any other differences..

i am currently using the Mk1 msi overclcocked bios with a default core of 800 instead of 777.. just got my second 3870 card and have flashed it to the msi bios.. gonna play with C/F.. he he

It's been the tradition of ATI VGA card that using automatic fan which is temperature oriented, at least my previous X850 XT PE, X1950 PRO and HD 2600 XT DDR4 does it this way.

My Zalman VF 900's still left in the drawer, the stock fan does a great job!

If "your card" insists on running at 90C...then no way! 90C Vs. 90C, I'll probably take a 8800 GT.

it does insist on running at 90 C when fully loaded.. but then again so did my 1900xtx..

there was a logical explanation with the 1900xtx.. the fan was very noisy and noise kinda limited fan speeds..

the fact that the 3870 fan is quieter yet ATI still let things run at 90 C tells me that they are happy with those temps..

in an ideal world i would like mine to run about 70 C but aint gonna worry over much about the 90 C..

i dont supposed from what i read the 8800gt runs that cool either with its weak single slot cooler..

trog

At 60% fixed and 810/1206 my card is staying fairly cool. My temps are staying ~60c even playing games. Benchmarks are staying in the 50's. I do have Thermaltake 13cm fans blowing around that area and that may be partially why.

This Sapphire bios is way too noisy for me. You can hear the fan spinning up and down.
I flashed my card back to connect3d bios. It may be hot (up to 80°) but at least it is quiet, and I never got any bug.