supposedly NiBitor 2.8a lets you adjust the voltage on 7900's through bios. can anyone confirm this?
http://www.mvktech.net/content/view/2069/37/1/1/
http://www.mvktech.net/content/view/2069/37/1/1/
Originally posted by: seanp789
supposedly NiBitor 2.8a lets you adjust the voltage on 7900's through bios. can anyone confirm this?
http://www.mvktech.net/content/view/2069/37/1/1/
Well, the Prescott 90nm runs with 1.25v-1.525v stock so 1.4v isn't really high at all. Granted they're different processes so they're not the same but they should be pretty similiar.Originally posted by: Steelski
I dont get it. I know the numbers are great for a cheap card. I know that most would agree that the increese is fantastic. But what is the standard voltage on a GTX? 1.4? is that not a bit high for a 90nm process? how long will this card last, does anyone care?
Originally posted by: samusaraniv
I have a VF700 on my 7900GT SE so I bet I will get comparable results to that guy's heatsink/fan combo.
Originally posted by: samusaraniv
Oh? Maybe I should try a gradual step-up from 1.3 then instead of jumping right to 1.5V. I also have OCZ copper ramsinks on the memory, and after 2 hrs of Oblivion last night, my card only got up to 55C with it clocked at 587/1880 (this is with the VF700 set to quiet, too!).
One question, if I do the conductive pen mod, can there be any undoing of the ink?
Also, no one has answered my question so I ask again.. when you draw the lines to ground for 1.5V, should you form the two lines into one or keep them separate?
Originally posted by: 1Dark1Sharigan1
Originally posted by: samusaraniv
Oh? Maybe I should try a gradual step-up from 1.3 then instead of jumping right to 1.5V. I also have OCZ copper ramsinks on the memory, and after 2 hrs of Oblivion last night, my card only got up to 55C with it clocked at 587/1880 (this is with the VF700 set to quiet, too!).
One question, if I do the conductive pen mod, can there be any undoing of the ink?
Also, no one has answered my question so I ask again.. when you draw the lines to ground for 1.5V, should you form the two lines into one or keep them separate?
When I tried 1.5v initially my system BSODs several times, which I why I changed to 1.3v and now to 1.4v.
Originally posted by: samusaraniv
So since you changed back from 1.5 to 1.4, I assume that this means that you can remove the ink somehow?
Originally posted by: samusaraniv
Nice! So to get 1.5V, do you combine the two ink leads into one stream or keep them separate?!?
Originally posted by: Muhadib
Is there a picture for the memory votage mod?
With so much more power caused by this voltmod, some heatsinks on the power mosfets are definitely in order.Originally posted by: Elfear
Just a small word of warning. With the 7800GTs (not sure if this applies to the 7900GTs but more than likely it would, especially given the budget hsf and inexpensive price) the power circuit area needed some work to make them run semi-reliably with increased volts. ViperJohn, who is the voltmodding emperor, strongly recommended that I spend some time modifying that area with better heatsinks before I increased the voltage too much. In fact he basically refused to do the voltmods for me unless I paid the extra for further modifications as he didn't believe the cards would be reliable with just straight voltmods and watercooling. A smaller core bump, like 1.3V, probably isn't a concern but if you want reliability out of your card than I'd suggest waiting for more comprehensive documentation about these cards.
The 7800GT power circuit area was physically different than the 7800GTX, from what I heard, so the increased voltage that the 7800GTX used wasn't an issue.
I'm all about serious overclocking but I thought I'd chime in for those unfamiliar with hardware voltmods and the inherent risk involved.
Originally posted by: nib95
I wish someone would just release a softvolt mod already
Originally posted by: Extelleron
Originally posted by: nib95
I wish someone would just release a softvolt mod already
Wish nVidia would just allow for software over-volting like ATI.
Originally posted by: nib95
Does that mean, there may never be a softvolt mod for the 7900 GT? :Q
Originally posted by: 1Dark1Sharigan1
So I'm at 1.4v now and doing 693/1820 stable, getting almost 5500 in 3DMark06 . . .
Originally posted by: 1Dark1Sharigan1
So I'm at 1.4v now and doing 693/1820 stable, getting almost 5500 in 3DMark06 . . .