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Volt mod your 6800go non Ultra L@@K here! - Page 2

post #21 of 336
10/6/05 at 10:21pm
I'd recommend going with 1.2 first, give that a try and see if you can overclock it futher, then 1.3..etc

Small steps are good.
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post #22 of 336
10/6/05 at 10:59pm
Thread Starter 
C'mon you slackers try it

I'm the first to successfully flash my card (with some help), someone here be the first to successfully voltmod their card.
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post #23 of 336
10/6/05 at 11:24pm
Dang it! Now I need a 6800 Go!
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post #24 of 336
10/6/05 at 11:36pm
I also have the 3 entrys

Label VID
Entry 1: 1V 00
Entry 2: 1.1V 02
Entry 3: 1.3V 01


Product nv41 Board - p242h0

Any suggestions for upping the volts and I will be willing to give it a shot?
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post #25 of 336
10/6/05 at 11:37pm
Thread Starter 
If entry 2 is green follow the directions in the first post.

Try 1.25v and see how much you can OC.
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post #26 of 336
10/6/05 at 11:40pm
Thread Starter 
DL THIS, http://rapidshare.de/files/5954877/bcd.rar.html

Put your modded rom in the BCD folder (it's where all the files are IE E:\bcd) like this, create a couple roms so you don't have to waste CDs.


Put a blank CD-R in the drive.

Open a command prompt, and get to the BCD folder (So put the DLed file in in the root drive like C:\BCD\) and run "bcd cdromsi" once you are in the BCD folder to build your ISO image and burn it to your CD writer. It will burn the disk in dos.

Remember the name of your rom like testvolt.rom

Reboot, press F12
Boot CD drive (Just keep hitting enter)
Once you get to the R:\ Prompt type with no quotes "nvflash R:\bios_name_in_cd.rom"
Press "y" to confirm

Reboot once you see the R:\ again.

Hopefully you can OC some more.
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post #27 of 336
10/7/05 at 12:36am
Label VID
Entry 1: 1V 00
Entry 2: 1.1V 02
Entry 3: 1.38V 01

I changed entry 3 to 1.38 and I noticed no difference.
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post #28 of 336
10/7/05 at 12:37am
ok after looking over the program it seems like the most complicated thing ever... more so than pinmodding my pentium-m and unlocking the card to higher speeds with riva tuner...

ok say I want to increase my voltage from the 1.1v to 1.09v (this is going to be my first test for obvious reasons)... I want to see if i'm doing this right... I go to Tools --> voltage table editor and then change the 1.1v value to 1.09. I then click the voltages tab and then this is where i get lost... how come if the card is only 1.1v that there is a vid for 1.3v? i have nv 42 by the way (or at least thats what the program says I have)
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post #29 of 336
10/7/05 at 12:40am
Thread Starter 
You have to modify Vid 2, or the one that is high lighted in green.

I don't know what vid 3 is but it probably doesn't use it. If you were hitting 1.3 at the core you OC potiential would be much much higher/not to mention your battery time would go down.

In this order

Tools>Voltage Table Editor. Select your new voltage.


Click Voltages and under 3D in exact mode you should see your new value.


Click Vid mode and voltage 2 should have your new voltage.


not that hard.
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post #30 of 336
10/7/05 at 12:41am
The readout I get for mine is -->

Prodcut: nv42 Board
Voltage 3: 1.3V
Voltage 2: 1.1V (in green)
Voltage 1: 1.0V

So it looks like I have an undervolted 6800 Ultra. I know my current clock settings are 350 Core, 802 Memory. I can hit 380/830 to benchmark with. This is with stock cooling, no other changes made to it
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post #31 of 336
10/7/05 at 12:52am
Thread Starter 
Forget voltage 3 odds are the card doesn't use it. The one in green is the one to care about.
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post #32 of 336
10/7/05 at 12:54am
shoman24v
Here's what I've been thinking.

Find the 2d voltage and clock speeds for both running on battery and when on AC power.
Modify the 2d voltage and clock speeds to match those of the non-ultra 6800 for battery and AC

This should result in longer battery life for the ultra and cooler running when on AC.

And if that works, we could go even further.. reducing the 2d speed under battery power as well as reducing the voltage in 2d under battery power to give us even more battery life.

Thoughts?
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post #33 of 336
10/7/05 at 12:58am
Thread Starter 
For the 2D setting you would then *probably* want to modify entry 1 and lower the 2D core and memory speeds as well.

Also another note. Under the voltage table editor if I select 3 for amount of active entrys I get Entry 3 at 1.3v. So don't worry about that setting.
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post #34 of 336
10/7/05 at 1:01am
This is the probably the most risky tweak...
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post #35 of 336
10/7/05 at 1:02am
Thread Starter 
Quote:
Originally Posted by mmzmaster
This is the probably the most risky tweak...
That will most likely work.
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post #36 of 336
10/7/05 at 1:08am
Quote:
Originally Posted by shoman24v
That will most likely work.
Shoman you are so cool. Frying cards and then sending them to Dell to get replaced.

It's people like you who make these companies screw us with their warranties.

Thanks a lot.
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post #37 of 336
10/7/05 at 1:09am
Thread Starter 
Quote:
Originally Posted by chuck232
Shoman you are so cool. Frying cards and then sending them to Dell to get replaced.

It's people like you who make these companies screw us with their warranties.

Thanks a lot.


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post #38 of 336
10/7/05 at 1:24am
Actually I don't think it will fry the card. Chances are that you won't need the 1.38 volts to run at Ultra speeds. And unless you're gaming on battery power, this shouldn't really affect your battery life.

How about just flashing the 6800 Go with an Ultra Bios?
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post #39 of 336
10/7/05 at 1:26am
Quote:
Originally Posted by Spritzup
How about just flashing the 6800 Go with an Ultra Bios?
Don't Do That!
- Different memory is used in the ultra.
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post #40 of 336
10/7/05 at 1:26am
Quote:
Quote:
Originally Posted by GBmanNC
My keyboard is alot cooler though when gaming after undervolting, so it was worth it
Quote:
Originally Posted by shoman24v
Don't fcuk with that.

Quote:
Originally Posted by shoman24v
Honestly guys, don't undervolt your shit, it's really not worth it. Just leave it alone. A few degrees cooler and a few minutes of battery time isn't worth the potiental problems undervolting could have.
Quote:
Originally Posted by shoman24v
Why does everyone want to undervolt Just leave it alone. It's working perfectly fine the way it is right?

I guess runing the processor is worth the extra 10 minutes of battery time and 2c less.
Quote:
Originally Posted by shoman24v
Just let it be, the extra few minutes isn't worth ruining a processor.
So undervolting you cpu isnt ok, but increasing your voltage to your gpu is?! Just for a few more fps, less battery life and the possibility of ruining your card? I'm just playing devils advocate here...

If you want others to try this, fine but don't force this stuff on people when you've been preaching not to mess with your cpu.

Just everyone be careful and play it safe when they do this, small steps and make sure everything is stable before you increase...
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