Best program to OC my eVGA 7800GT?

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videogames101

Diamond Member
Aug 24, 2005
6,783
27
91
Originally posted by: duragezic
Coolbits simply enables the tab in the Nvidia display options. Works well enough for me so I've never had a need to try out RivaTuner.

And since its a EVGA, if you have it registered, you have a lifetime warranty on it whether or not you overclock it. Damn good company I'd say.

Anyone have an idea how much the step up from a 7800GT to a 7900GT will cost?

And yeah finally the 7800GTs rarely overclock well. I'm at 475/1150 and its unlikely I'll try going higher since I don't want it overheating or artifacting.

??? They rock at ocing, I got 505/1250 on stock cooling totaly stable.
 

redbox

Golden Member
Nov 12, 2005
1,021
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Originally posted by: the cobbler
Originally posted by: Bad Dude
Originally posted by: the cobbler
Originally posted by: duragezic

And yeah finally the 7800GTs rarely overclock well. I'm at 475/1150 and its unlikely I'll try going higher since I don't want it overheating or artifacting.


Rivatuner includes hundreds of low-level controls that the simple Coolbits registry edit does not. One of which is "DisableInternalClockTest". i.e. with Coolbits, your card will actually start artifactin/hit the wall well, well below your max core and memory speeds.

Coolbits "Detect Optimal Frequencies" stops my GPU at 490mhz/1160mhz or so. With the internal clock test disabled, my card easily reached 510/1220mhz.

With regards to 7800GT being "poor overclockers"...well, that is just ludicrous. Especially because they are easier to volt mod than falling off a tree, and they respond extremely well to it. I have done nothing but a .1v core increase via bios flash, and a .3v increase on the vmem via "pencil trick". No soldering. Gives me 550mhz/1390mhz speeds= I get ~9200 in 3DMark05 and 4500 in 06. That's a pretty healthy whipping over stock 7800GTX 256mb cards, and puts mine about on par with a stock 512mb GTX.

Could you give us the links to these mod please?
Thanks.


bios volt mod thread @ MVKTech

pre-modded bios thread @ MVKTech

complete volt modding thread @ VR-Zone

the last one includes all possible volt mods to the 7800GT, including doing it the right way (soldering variable resistors), as well as the bios and pencil trick mods.

I have Rivatuner where is the option for taking out the delta clock?
 

the cobbler

Senior member
Mar 8, 2005
643
0
0
Originally posted by: redbox
Originally posted by: the cobbler
Originally posted by: Bad Dude
Originally posted by: the cobbler
Originally posted by: duragezic

And yeah finally the 7800GTs rarely overclock well. I'm at 475/1150 and its unlikely I'll try going higher since I don't want it overheating or artifacting.


Rivatuner includes hundreds of low-level controls that the simple Coolbits registry edit does not. One of which is "DisableInternalClockTest". i.e. with Coolbits, your card will actually start artifactin/hit the wall well, well below your max core and memory speeds.

Coolbits "Detect Optimal Frequencies" stops my GPU at 490mhz/1160mhz or so. With the internal clock test disabled, my card easily reached 510/1220mhz.

With regards to 7800GT being "poor overclockers"...well, that is just ludicrous. Especially because they are easier to volt mod than falling off a tree, and they respond extremely well to it. I have done nothing but a .1v core increase via bios flash, and a .3v increase on the vmem via "pencil trick". No soldering. Gives me 550mhz/1390mhz speeds= I get ~9200 in 3DMark05 and 4500 in 06. That's a pretty healthy whipping over stock 7800GTX 256mb cards, and puts mine about on par with a stock 512mb GTX.

Could you give us the links to these mod please?
Thanks.


bios volt mod thread @ MVKTech

pre-modded bios thread @ MVKTech

complete volt modding thread @ VR-Zone

the last one includes all possible volt mods to the 7800GT, including doing it the right way (soldering variable resistors), as well as the bios and pencil trick mods.

I have Rivatuner where is the option for taking out the delta clock?


it doesn't, you have to use NiBiTor to edit the bios, then flash the card with the edited bios. there should be a bunch in that thread with no delta (like mine). If you can copy your bios with NiBiTor, feel free to email it to me and I'd be happy to mod it however you like.
 

redbox

Golden Member
Nov 12, 2005
1,021
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I read some of those threads I have the EVGA 7800gt CO SE can I use any brand of 7800gt bios or will that not work, also i am completly new to bios flashing what do i need to know when it comes to vid card bios flashing


Sorry if the thread has been hijacked. OP it looks like you need not only programs but hands on work to make these cards clock like they can.
 

1Dark1Sharigan1

Golden Member
Oct 5, 2005
1,466
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I'm pretty sure Rivatuner uses coolbits to overclock since whenever I enable overclocking with Rivatuner, coolbits is automatically unlocked in the control panel.
 

the cobbler

Senior member
Mar 8, 2005
643
0
0
Originally posted by: 1Dark1Sharigan1
I'm pretty sure Rivatuner uses coolbits to overclock since whenever I enable overclocking with Rivatuner, coolbits is automatically unlocked in the control panel.



it unlocks CoolBits, but RT isn't using coolbits per se. RT overrides coolbits with loads and loads of low-level controls that Coolbits simply doesn't offer. Much, much more effective. Coolbits will actually artificially limit your OC. When you DisableInternalClockTest with RT, you will see what I mean.