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thấy cái card đó còn có thể chiến được F.E.A.R. thì CSS ăn nhằm gì
chưa kể ông còn overclock cái card màn hình![]()


thật không vậy sếp. Máy nhà em cũng 945 nè, không tin nổi chiến được CSS
VGA Intel 945 ~
CSS max setting, quăng flash, smoke tùm lum, fps vẫn 30-40 đều đều
đỉnh chưa?
hình như ngoài mình ra không ai chơi mượt được CSS với cấu hình máy cùi như vậy =))








chưa bao giờ có ý đinh overclock, nhưng kiếm lang thang kiếm được cái TUT này cho ai muốn chơi css và có dám risk
tớ k chịu trách nhiệm về nội dung nhé....
ai muốn thử thì thử
The other week Veget asked for help in overclocking his 9800Gx2; so I told him I'd write him one and post it here.
FIRSTLY; YOU DO THIS AT YOUR OWN RISK. ALTHOUGH IT IS HIGHLY UNLIKELY THAT YOU WILL F**K UP YOUR CARD DOING THIS I WILL NOT BE HELD RESPONSIBLE FOR ANY DAMAGE TO YOUR CARD YOU DO THIS AT YOUR OWN RISK. :thumbsup:
Now everything in this guide applies to Nvidia Cards in single and SLi mode and ATi cards in single config, I have very limited knowledge of Crossfire/X so I cannot write about that but if there is an expert here then could always fill in the blanks. Overclocking cards in SLi is the exactly the same overclocking one card as both cards must opporate at the same speed and have their fans spin at the same speed. Therefore if you are upgrading to SLi by adding an identical card (SLi must be done with the same card although they can be different brands/bios eg: an EVGA 8800GT and an XFX 8800GT Alpha Dog will work together) make sure you put your old one in the bottom slot as you know which speeds this works at and therefore will be overclocking up to the limit of the newer card as that is the master card.
SLi CAN ONLY BE DONE ON NFORCE CHIPSETS, CROSSFIRE CAN BE DONE ON INTEL P35/X38/X43 AND ON MOST AMD CHIPSETS :dumb:
Finally before we get started I feel it is important to say that if you have overclocked other parts of your pc make sure that they are 110% stable inorder to ensure that any problems are down to the card.
Software
Drivers:
First things first, update you're drivers to the lastest version, you can get the latest versions here:
ATi: http://ati.amd.com/support/driver.html
Nvidia: http://www.nvidia.com/Download/index.aspx?lang=en-us
Other third party drivers are available most notable Omega Drivers; some people find these give better performance however I have not seen any noticeable difference when I used them on my ATi laptop or on my Nvidia desktop.
Get them here: http://www.omegadrivers.net/
Overclocking software:
Regardless of brand these are the programs we will be using:
- RivaTuner 2.09: http://downloads.guru3d.com/download.php?det=163
- ATi tool 0.26: http://www.techpowerup.com/atitool/ Do not let the name fool you this works with Nvidia cards as well
- A suitable game to test you're overclock in I recomend Crysis as it is the fussest game when it comes to graphics card overclocking cards.
- GPU-Z: this tells you stats about your card and other usefull info. get it here: http://www.techpowerup.com/gpuz/
- FRAPS: this will be used to measure you're fps in games before and after the overclock. http://forum.digitalpowered.info/index.php?showtopic=21557 (Thanks to n00bn00bn00b for this :thumbsupup: )
- rthdribl 1.2: This is the Ultimate Stress test for your GPU; imagine it like Prime95/Orthus for your GPU, If you can run two instances of this at the same time with x16AF for an hour then you'll fine. Get it from here: http://www.daionet.gr.jp/~masa/rthdribl/
Before we start, open FRAPS and your chosen games and load a level when in the game you will see a yellow number in one of your corners. once you're in level press F11 and you should see the number disapper. Play the level you've loaded and at the end of the level hit F11 and the yellow number will reapper. Then quit the game and close FRAPS.
Overclocking
Install the drivers of you're choice making sure you have uninstalled the old ones and ran a driver cleaning program from safe mode.
Next set up the apps listed above and make desktop shortcuts to them all. Next boot up Rivatuner and we'll configure it:
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- Navigate to settings and make sure the two things circuled on the diagram above are checked, this ensures that Rivatuner stays open and you're settings happen when you logon by autostarting the program.
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- Click on system settings and choose "fan"
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- Now Lets crank that thing up to 100% you should be able to hear it spin up (unless you've got headphones on/are death). Then click the button that says saves so that at windows start up/log in the fan will crank up
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- Now clicking apply/ok will take you back to the main menu so click on the button I've highlighed in the diagram called "Hardware monitoring" Then click on the button labeled Setup
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- On the new window there should be a section called data sources with multiple rows, now you want to uncheck them all apart from the one entitled "Core temperature" now if you have more than one card like I do you will have more than core temperature showing up I have circuled on the diagram. Now Click OK, and we're done configuring Rivatuner. Time to overclock!! Oh and don't close the hardware monitoring window as we need it to check temps
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- Now go back to system settings and stay on the first tab "Overclocking" and check the box "enable driver-level hardware overclocking" and change it to "performance 3D" once you've done this make sure you uncheck the link "clocks option" as well.
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- Now up the core clock slider by about 10-20Mhz, on my card the default clock is 700Mhz I'm gonna up mine by 20Mhz to 720. Now click apply and ok to close this and then ok on Rivatuner as well to close this to the tray
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- Open up ATi tool and check the temp it lists matches the one in Rivatuner and then hit the "Scan for Artifacts" button to see a fir cube pop up
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- If ATi tool looks like this then your good go! Thats what I call stable :clap2: You should know this is stable as the running time should equal the time without errors
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- Now if the above start happening on the other hand then your overclock is not stable and you need to drop the the clock you've just raised in small increments until it stops happening.
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- Once you've found this frequency, you need to go back and increase the Memory clock in 10-20Mhz increments using the same method for the core clock; my default mem clock is 1100MHz so my first increase is up to 1120Mhz. Remember to leave the core clock at you're overlcock frequency. Then increase the mem until yellow dots appear and then follow the clock back instructions for core clock.
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- Finally repeat this for the shader clock using the above method(s), just as a guide my default shader clock is 1780, so I upped mine to 1900.
- Once you've done this give you're Card overclock one final ATi tool test for 20 minutes and make sure you you check the Startup box so that when you log on Rivatuner will apply you're overclock.
Final Stress testing----IMGAGES COMING TONIGHT------
First things first is Open up rthdribl 1.2 twice and choose which objects/scene you want to render. Then go to options and set the AF to x16(might be called multisampling). You will very quickly notice your temps shoot up and your frame rates fall. EXPECT LAG it is ok to get it and does not mean it is stressing it any less. Rather quite the opposite infact, it pushing your card(s) harder than ATi tool and more than most games.
Comparing Results
- Ok, reopen FRAPS and the same level from earlier repeating the steps with F11 and all.
- Once you've done this navigate to the FRAPS install directory and open a file called FRAPSLOG.txt open this up and you should see a date a time followed by the name of your games executable's name. This should appear twice: once for your origonal settings and a second time for when you ran the game at you've overclocked settings. Hopefully you should see that the the Avg, Min and Max should all give you higher numbers for the second set of results (you may have noticed smother gameplay while playing the game anyway.)
There you have you have now overclocked you're graphics card and fingures crossed got better performance. If you weren't already running a game a max settings, depending on how good you're overclock was you may be able to up the settings to a higher level.
This is the first tutorial of this scale I've written so bare with me as I make this less shit and revise it over the next few months. I hope it was useful, feel free to add/flame as appropiate. :popcorn:
How to Set up and OSD to monitor you GPU's In game!
FAQ
QI'm trying to overclock my card higher however it articfacts at really low temps.
AEither 1 or 2 things are happening. 1 your card is not powerful enough for the cards you are running either in Watts or the number of Amps down the rails. 2 You have reached the limit of your card on stock volts! Its time to volt mod it if you wanna go higher. Check out www.xtremesystems.org to find out how.
Q I just enabled SLI/Crossfire(CF) on my rig and my 3Dmark score only increased by 2000 points?
A That is because of a CPU bottleneck. SLI configurations are massively bound by CPU speed. If you want big scores in benchmarks you better be prepared to overclock your CPU because even the mighty QX6850 quad core at stock speeds isn't nearly enough speed to push the cards in SLI/CF to their limits. Now there is a flip side to the coin. You don't need a ridiculosly expensive CPU or have to overclock the daylights out of your CPU to benefit from SLI/CF. SLI/CF is best used in 2 ways (well 3 if you're a benchmark freak like me )
1st is if you play at high resolutions (1680x1050 or above) and what to be able to turn the eyecandy all the way up in the latest games (I'm talking 8xAA minimum, all bells and whistles for the graphics settings, 16xAF...ect) and you want it all to stay silky smooth.
2nd is if you are trying to get a little more life out of your rig before having to do a PC overhaul. Say maybe that 7900GT card is starting to feel the pressure of all those new games and their fancy new effects and want a cheap way to boost your frames per second. Well SLI is for you, adding a second card will help you tame some of the tougher games and give your PC a shot of adrenaline and give you that extra 6 month or year to save up for your next uber rig.
Q = If I put 2 cards in SLI/CF do I get double the memory from it?
A No, you do not get double the memory. In order for SLI/CF to function all data that is in one GPU's memory must also be mirrored in the other's. This is because the GPU's are co'rendering the same scene at the same point in time. In order for this to be possible they must both be processing the same data. So in SLI/CF, since both banks of RAM are holding the same data, that leaves you with the total of ONE cards ram. So 2 cards that have 512MB of RAM means you have only a total of 512MB of RAM.

0verclock là gì vậy mấy lão làng , nghe không hiểu![]()
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0verclock là gì vậy mấy lão làng , nghe không hiểu![]()
chạy hết công suất




nóng hơn là cái chắc. ta mở thùng máy ra cho cái quạt con cóc phà vàotên oko kia, khi overclock thì nhiệt độ tỏa ra có... tăng lên theo ko vậy
nếu đúng thì kiểu này phải chơi ở ngoài trời tuyết luôn quá![]()
