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You would want to set the PCI Clock Synchronization on 33.33Mhz or auto since this is to make sure your PCI cards like a sound card or a PCI TV Tuner card is not being overclock and the PCIe should be set to 100Mhz ,but some say when overclocking ,setting it to 105Mhz sometimes makes it more stable.

If you want a Cooler for your 7900GT KO and no modifications needed just buy a ZalMan VF 900-Cu ,it fits perfect ,all you have to do is unscrew the four srews on the back of the card and the HSF will just fall off ,then make sure to clean everthing with some good 91% or better Alcohol and make...

On my 7900GTX EGS that runs at 650 on the core and 800(1600) on the memory and 50mhz on the geometric delta ,Does this mean when I run a 3D game the core is really running 700 mhz,and if that is all it does ,then what is the difference if it is ran at 700mhz and 0 on the geometric delta.

I have never had any trouble out of a video card I have bought wheather it was a ATI or Nvidia ,but I have had 3 7900GT one was just DOA and then I decided I would just send them back and get the 7900GTX and that way I would'nt have to mess with overclocking and I would have 512mb of memory...

I have had good luck with my OCZ PowerStream 470watt.

The only way is to give them a shot and if you have reboots or games dropping out of a games back to windows then it is more then likely not enough.

How many amps does it put out on the 12v rail.

these things are fast enough ,I am not about to temp faith after spending $950 on two 7900GTX ,there will be no volt-modding for me .

with more and more games comeing out the extra 256mb can't hurt .

Just install the drivers you want and install coolbits2 and go to your property page and click on the 6600GT tab and on the left hand side you should see a refresh rate override and just set it to what you want.

I had two 7900GT KO for almost a month and they ran all my games perfect ,but on some games I had to switch drivers but no big deal,I sent them back because I wanted the 512mb version ,so I have now two 7900GTX's and no problems with them

Has any one heard if they were able to control the voltage useing RivaTuner ,because ever time I try to up the voltage the Bios of the card will show it has been overvolted but it is still at default of 1.2v.

As cheap as motherboards are I would get a $60 motherboard and go PCIe and then you have more options.

yes they will worked together ,they will run at the slowest clocked card ,but I had two 7900Gt KO and they would run at Superclock speeds ,so you could get the KO version and use nibitor and flash the bios to Superclock speeds.

I have two Zalman VF 900-Cu laying around that I was going to use on my 7900GT KO ,but I sent them back and got two of the 7900GTX ,It is such a tight spot with the default coolers ,they are good but I need something that will cool just as good and give me a little more room,Do you think the...

I would bet since this card is going to run at 580 on the core the voltage has been increased in 3D,because most of them that are 1.2v will not do 580 without artifacting ,so IMO it is worth a step-up.and soon as some one get one of the new 7900GT KO Superclock they should use nibitor and check...

The $158 256-P2-N553 has a smaller heatsink on it and the $179 256-P2-N554 has a larger heat sink that covers the memory and is a newer model so it might overclock a little better and run cooler ,but the $158 one is just as fast at default speed ,so I would get the $158 one and if it needed more...

I did'nt see the 1.4v volt-mod that big of a risk as long as you had it cooled good with a good HSF ,I thought there was a volt-mod that was easy like the 7900GT was ,with a conductive ink pen ,like drawing a trace from a resistor to ground ,I just wanted to add .1v to make it 1.5v ,but if I...

Go with EVGA they have a life time warranty but what really sells me on evga is there tech support ,It is the best they have a fourm that you can get help from or you can call there 800 number and a tech will help you right over the phone ,I called them and wanted a bios update for my 7900GT KO...

I was talking about a easy one, that just says solder a 200 ohm resistor on it and ground the other end ,but it does not tell what it is raiseing it to ,All I want is a simply .1v added to make 1.5v for the 3D ,I guess there is no simple one ,if that told me what it volts it to then I might know...

I have seen plenty that explain a 7900GT and it was a easy mod,but could someone show me a Volt-mod of a detailed picture of the 7900GTX, like with the 7900GT if there is one .I just wanted to mod it to 1.5v

I have heard from serval people that it does show 1.35v when you use Nibitor to read but when the voltage was read with a volt meter it was still 1.2v.and when I flashed my 7900CO KO with the 7900GT CO SS ,but first I set the clock at 550 instead of 600 and it flashed and I ran Nibitor and it...

yes it worth it IMO since a 7900GT will do 550 on the core and some do up to 1900 on the memory.

That what I have never understood about the memory speed ,I had two 7900GT KO which has 1.4ns memory on them and one will overclock to 1950 and the other will do 1860 and I have seen 1.1ns that would'nt even do 1750.

I do not think they would have all the problems if they would have at least clocked the 7900GT to 1.3v ,the bios that says 1.35v some say it is still 1.2v and I flashed my 7900GT KO with the 7900GT CO SS bios except that I downclock it to 550 on the core before I flashed ,after I flashed the...

I have order two Evga 7900GTX and I done have the Zalman 900-CU and it is a tight fit with the stock cooler ,so I am going to give the Zalmans a shot since it will give me a little extra space between cards. in SLI.

I tried it but it did not work It showed all the correct voltages when reading it from nibitor ,but it did not increase the voltages on my cards ,with the 1.4v mod I could clock it to 656/1900 ,but I took off the mod and flashed it with the 7900CO SS bios except I turned down the clock to 550...

I don't look for them to go much lower then $280 since the 7800GT never went down a lot

I have put a Zalman 900-Cu and some copper heatsinks on mine ,it is doing a better job then the factory one on it .

I was wondering has anyone tried the new Evga 7900GT SS bios and flshed it to thier Evga 7900GT and did it work.

At stock the 7900GTX is going to be better,the extra 256mb helps in some games

The only voltage regulator that seems to get hot is the one to the memory and it does get hot ,I would'nt do a volt mod on them memory because it is already over volted at 2v .but Evga has been putting out BIOS that raise the voltage on the core to 1.35v so I think 1.4v is in the safe range as...

When I run ATITOOL and it shows 65c I can look in my properties and it is about 10c cooler so I don't know which one is right.But I would'nt worrie about 75c since they don't throtle until 130c.

I had some texture flashing in sin episodes but after I changed to a different driver it worked fine.

I have two Evga 7900CO KO running in SLI altho when I first got them one was DOA ,but after I got one to replace it they have been working perfect I played Sin Episodes at 4x FSAA and 8x aniso at 1600x1200 all the way threw about 6to 8 hours and had no problems ,I hope it keeps working...

When you go from a ATI to a Nvidia card it is always best just to do a clean install so you make sure you get any hidden things out that may cause conflict with your new card because the 7800GS is at least twice as fast as a 9800pro in nearly ever game .Make sure you have your gart driver installed.

No one really needs the extra ,but it there and it is a easy mod and just doing a 1.4v IMO is not that dangerous since the CPU is rated to do 1.4v plus if you get a aftermarket cooler then there should be no problems ,They already have Bios updateds that raises the Vcore to 1.35 for the...

Another gig of ram will help load your game faster and on some games 2gigs will help it run smoother.the 7800GS is a great card if you are running a AGP system since it is the Fastest AGP card made and they overclock good too.

the first batches seem to have a lot of bad cards exspecialy the 7900GT Superclock.

When the 7800GTX' first came out they just had 256mb of memory with 24 pipelines ,,so a 7900GT would be a buffed 7800GTX.with a smaller die.It is worth it ,I did not think it would be worth it ethier when I had two 7800GT running in SLI at 490/1200,but you can certainly tell a difference from 20...