7800GTX overclocks with Volt Mods??

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10-08-2005, 10:05 AM
ViperJohn

Quote:

Originally Posted by sdat1333

alright well im gonna practice A TON before doing this
can you recomend a good but affordable soldering iron?

And Im sorry to bring this up again but i was the first few pages and im really sorry about your dad, but it sounds like he was a beleiver and hes in heaven now

Any decent 25-30 watt iron will work but the key is the iron tip. You need a micro point iron tip (.3mm or .015" max) for the small solder points. I make my own tips from alloy 182 Hard RWMA Class 2 Chromium Copper and grind the tip to a point. The hard alloy keep the tip points from getting screwed up.

Thanks on my dad. My mother passed away 22 days later on 7/31 as well. I was in Oregon two weeks ago to scatter their ashes on the property they used to own up there (tall timber country).

Viper
10-08-2005, 10:42 AM
sdat1333

Quote:

Originally Posted by ViperJohn

Any decent 25-30 watt iron will work but the key is the iron tip. You need a micro point iron tip (.3mm or .015" max) for the small solder points. I make my own tips from alloy 182 Hard RWMA Class 2 Chromium Copper and grind the tip to a point. The hard alloy keep the tip points from getting screwed up.

Thanks on my dad. My mother passed away 22 days later on 7/31 as well. I was in Oregon two weeks ago to scatter their ashes on the property they used to own up there (tall timber country).

Viper

oh i didnt even see the part on your mother
i cant even begin to imagine what your going through

well since i dont really have the ability to make my own, wheres a place to buy the tip?
10-09-2005, 11:08 AM
Weee

I got a pretty decent one from radio shack.

I think it said pro's kit on it or something like that. One of the tips had a nice point, so maybe they have replacement tips for it there . It has 20W and 40W settings, just make sure you set your iron to the lower settings, or you'll end up pulling off a 402 just by touching it! Having a really nice set of tweezers helped me a lot when this happened!
10-10-2005, 04:13 PM
sdat1333

alright ill make a trip to radioshack in a few days then
10-10-2005, 06:38 PM
eclypse

I have a prob.. Seems like the cards are going into 2d speeds half the time and are not changing into the 3d speeds once i run 3dmark..

I've verified this with rivatuner.. I run 3dmark and a min later not even i exit out and check that graph and it shows it never changed from 275Mhz on the cores.

I keep trying and once in a while it will but i dont know why its not everytime. Really buggin me.

Before i was using a modded bios i was using with only the 3d perf enabled and the clocks at 490/1400 at 1.4v and with the volt mods its runing at 1.62 and 2.32v on the ram 24/7.. So i thought changing it back to the normal specs with the 2d and throttle in there would be smarter so the card would run cooler in 2d.. but now i'm getting this stupid prob.

Someone said that the temp bug or throttling bug isint a prob after the 7.77 driver version so i thought i'd give it a shot since i'm using the 78.3 drivers.

Any ideas cause i think it would be annoying be have to keep checking to make sure its going into 3d pref mode when i bench or game.
10-10-2005, 09:36 PM
ViperJohn

Quote:

Originally Posted by eclypse

I have a prob.. Seems like the cards are going into 2d speeds half the time and are not changing into the 3d speeds once i run 3dmark.

I see highly core OC'ed cards that often will only clock up to the low power 3D clock the first time you try to run 3DM03 and 3DM05 but have never seen one that would come up off the 2D clock.

Try the 81.84 drivers and see if it makes any difference at all.

Viper
10-11-2005, 02:15 PM
eclypse

Well i tried those drivers but there a known bug with them with 2 cards installed.. It seems it cant tell you have the SLI board attached! So those are no go.. I was going to go with the old set a 80's betas but then since those would make the cards bench higher it would be tough to tell if there working right.

In another thread someone suggested to mod the bios with only 2d and 3d, saying that the throttle might be givin probs.. I dont see how since its stayin in 2d insted... tried that and the same crap would happen.

So i went with the 77.7s and it was'nt any different.. sure it ran a little faster but it still had probs turnin on the 3d everytime..

Another strange part is that sometimes when its showin the 3d speeds are enabled in riva tuner via that graph its still very slow like a 1/4 the speed.. I've been using ATiTool (v2.5 i believe) to overclock the cards and using the 3d cube to make it switch into 3d speeds on the desktop.. And you can see the frame rate which verifies the speed.. Sometimes it shows 280-300FPS in 3d mode and sometimes when it shows that the current speed is the 3d pref its still slow as like the 2d is runing at like 130-150FPS.

So i dont know what the hell is going on or what to try next.. I think i need to just flash back with just 3d speeds only and see whats up.
10-11-2005, 03:22 PM
freecableguy

Rivatuner causes problems with the 7800GTX. Do this, rip your BIOS to your HD using ATI Tool (then uninstall it). Use NiBTor to modify your BIOS. Remove the 3D low power and change your clocks by flashing the BIOS. DON'T use Rivatuner to OC....just to monitor frequencies. Flash your BIOS (can do SLI flashes) using NVFlash 5.15. Works like a charm.
10-11-2005, 03:28 PM
eclypse

Yeah thats what i have been using to flash the cards.. i've flashed before last night with no 3d low (Throttling) with just 3d and 2d at 608/740-1480Mhz with a 50 delta.. I believe i'm even using NVflash 5.15 but will check.

But i'll try what you said by not changing the overclock with ATI Tool and see if i have probs.
10-11-2005, 05:43 PM
eclypse

Hey thanks freecableguy! All is fine now it seems.. as long as i dont change the clocks with that Ati Tool everything is perfect.. It changes back and forth from 2d to 3d no probs.. Benches no probs and is fast at 608+50 Geo/1480.

Now what other program can i safely overclock with as i'm still in the process of tweaking and finding the bottom of these cards..
10-11-2005, 05:45 PM
eclypse

Oh wait after re-reading your post.. I am using Ati Tool to overclock and river tuner to monitor speeds.

Great now what to use?
10-11-2005, 05:58 PM
freecableguy

Overclocking should be done by BIOS only. Find you max clocks and flash your card to these speeds. Don't use an overclocking problem as it doesn't work right with these cards in SLI right now.
10-11-2005, 06:47 PM
Weee

I have two BFG 7800GTXOC, and I absolutely can't get them to run with a delta under peltier cooling. I Have tried many many many BIOS versions and no matter what, The computer locks up whenever I try and run with a Delta, If I use a BIOS modded to ignore temp sensor, and NO delta, it runs just fine. I've been really busy with work, but every time I have had a free moment at home, I've been trying at least 10 different permutations of BIOS. Like, the BIOS for my card with just temp sensor disabled, no good.

When I use 3 performance levels, it runs fine in 2D mode but computer locks up when I run a 3D application (With Delta turned ON). With one performance level, the cards won't make it past the windows scrolling bar screen (77.72 or 78.03 BIOS versions).

Any clues? I think i could eek out quite a few more points if I could put a Geo Delta back on!

right now @ 594/1520 cpu@3.27GHz I max out at just over 15k, I want to get this all sorted out before my Chilly1 SS for my cpu comes in a few weeks, so I don't have too many things to try and do at once!
10-22-2005, 10:57 PM
Gogar

I got two trimmers at a local store. They are 15 turns, is that safe?
Also i measured the 200Ohm one and it only seems to go up to 187Ohm... Will that be a problem? The 100K one reads 96.5KOhm
Thanks.
10-22-2005, 11:17 PM
ViperJohn

Quote:

Originally Posted by Weee

I have two BFG 7800GTXOC, and I absolutely can't get them to run with a delta under peltier cooling. I Have tried many many many BIOS versions and no matter what, The computer locks up whenever I try and run with a Delta, If I use a BIOS modded to ignore temp sensor, and NO delta, it runs just fine. I've been really busy with work, but every time I have had a free moment at home, I've been trying at least 10 different permutations of BIOS. Like, the BIOS for my card with just temp sensor disabled, no good.

When I use 3 performance levels, it runs fine in 2D mode but computer locks up when I run a 3D application (With Delta turned ON). With one performance level, the cards won't make it past the windows scrolling bar screen (77.72 or 78.03 BIOS versions).

Any clues? I think i could eek out quite a few more points if I could put a Geo Delta back on!

right now @ 594/1520 cpu@3.27GHz I max out at just over 15k, I want to get this all sorted out before my Chilly1 SS for my cpu comes in a few weeks, so I don't have too many things to try and do at once!

77.72 and 78.03 are driver versions not bios versions.

Viper
10-22-2005, 11:20 PM
ViperJohn

Quote:

Originally Posted by Gogar

I got two trimmers at a local store. They are 15 turns, is that safe?
Also i measured the 200Ohm one and it only seems to go up to 187Ohm... Will that be a problem? The 100K one reads 96.5KOhm
Thanks.

Wither trimmer is fine. Being only 15 turn the setting will be slightly touchy so just go easy on the adjust screw until you get a feel for it.

Your 100K's Vmem trimmers are fine as well. I am using 50K's now.

Viper
10-22-2005, 11:21 PM
ViperJohn

Quote:

Originally Posted by freecableguy

Overclocking should be done by BIOS only. Find you max clocks and flash your card to these speeds. Don't use an overclocking problem as it doesn't work right with these cards in SLI right now.

Haven't had any trouble with SW OC's here with cards in an SLI.

Viper
10-23-2005, 03:07 PM
Weee

Quote:

Originally Posted by ViperJohn

77.72 and 78.03 are driver versions not bios versions.

Viper

Sorry you're right, i used 77.72 and 78.03 driver versions, and i've made bioses based on 11.01 and 11.25 or i think that's the ones. I asked lardarse/shamino about the problem I was having, and he verified the existence and told me that I should start 3dmode warm and then turn on my cooling for things to work properly and make sure it doesn't go back into 2d mode or things will not work.
10-23-2005, 04:28 PM
eclypse

I had that problem and it was because i was using Ati Tool to overclock the card. Once i just set the overclock in the bios all has been fine.
10-24-2005, 06:40 AM
albertwesker

http://malvescorner.net/images/7800vgpu.jpg

this is the right mod for vGPU isn't it?
10-24-2005, 08:39 AM
Weee

Quote:

Originally Posted by MickeyMouse

yes albert thats it.

Indeed (I know when I was looking for this I wanted confirmation from as many ppl as possible)
10-28-2005, 05:40 AM
AC/DC

Have anybody done a pencil trick on 7800GTX?
10-28-2005, 12:54 PM
cheap

can someone explain how to back up/edit and re-flash the bios on a 7800gtx

would also be helpfull if you could list the programs used

many thanks
10-28-2005, 01:42 PM
cheap

ok ive backed up the bios, edited it. now how do i get it back onto the card?
10-28-2005, 02:11 PM
eclypse

Quote:

Originally Posted by cheap

ok ive backed up the bios, edited it. now how do i get it back onto the card?

Download nvflashv513.exe. Now unzip the contents to a blank formatted floppy disk and also load your original bios (just encase theres something wrong with the new one) and the new edited copy onto it.

Make a bootable floppy for you can get into pure DOS.. If you dont know how just take a blank floppy disk and insert it into the floppy drive. Open up windows explorer and right click on the A drive and select make a bootable disk.

Now boot the computer with the bootable disk installed in the floppy drive. There will be some options that come up on the screen asking you if you want to boot into windows ect..ect.. Choose the one that says command prompt.

Now put in the other floppy disk with the nvflash and your original and edited bios.. Type nvflash.exe -5 -6 "name of the bios file .rom" and hit enter.

It will search for the card and when it finds one it will ask you if you want to flash this card and hit "y" i think or enter for yes.. Reboot without the floppy disk and your all good to go. If theres any probs do the flash again but this time with your original bios.

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