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gameyoda
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 Posted: Sun Feb 08, 2009 7:29 am Post subject: Cant find the BIOS for my graph card |
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The problem is that I cant find the proper BIOS file for my video card (which I want to flash).
I have a Sapphire ATI Radeon HD 4870 1024MB. The only files I can find are for the 512MB or the 4870 X2.
Can somebody please post a link or something to where they are? |
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kls85
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| Posted: Sun Feb 08, 2009 11:47 am Post subject: |
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Why you want to flash your graphic bios, is it because of the speed issue plague on most of the HD 4800 series cards?
There is a work around if you can't find it. |
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gameyoda
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| Posted: Sun Feb 08, 2009 3:29 pm Post subject: |
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Yes, made a post about it earlier, thought it ended as it didn't crash for some time, but now its back more then ever (about 6-7 mins with some games).
And whats the work around for it? Would like to know ^.^
Original post: http://forum.cheatengine.org/viewtopic.php?t=314311&highlight= |
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kls85
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| Posted: Sun Feb 08, 2009 4:24 pm Post subject: |
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| Code: | Workaround Solution, should work with any ATI card
The first solution is the easier and safer solution to do. Also this should work on any of the other ATI cards and is not limited to the Sapphire cards only. The solution for this is to fixate the GPU clock speed at 750 Mhz via RivaTuner. To do this the following steps are necessary.
1. Download and install RivaTuner, http://downloads.guru3d.com/download.php?det=163
2. After installation, start up RivaTuner.
3. Click on the expansion symbol, in the greyed out text box. This will bring up a list of icons.
4. Click on the first icon in the list shown, it's called Low-level system settings.
5. In the Overclocking tab, tick the "Enable low-level hardware overclocking" box to on.
6. It might be smart to reboot if you have been playing some games / running some apps, either way let RivaTuner detect the speed.
7. Set the core clock speed to 750 Mhz (the speed required for 3D apps)
8. In the section "Overclocking profile settings", type in a profile name (fex. WAR) and click on the disk icon to save the profile.
9. Press OK to be returned to the main RivaTuner screen.
10. Go to the Launcher tab and click on the green + symbol.
11. Choose to add a "Regular item" and press OK
12. Type in a name (fex. WAR), the other boxes should be enabled now.
13. Tick the box "Associated overclocking profile", and select the profile we made in step 8.
14. Tick the "Associated Application" and fill in the path and filename of the warpatch.exe (fex. "C:\Program Files\Warhammer Online - Age of Reckoning\warpatch.exe")
15. Click OK to save the settings.
What we have done now, is create a shortcut inside RivaTuner that we can click on to start up WAR with the changed GPU clock speed. This means that whenever you'd like to run WAR, you should start it via RivaTuner's Launcher tab.
Alternatively, it's possible to have RivaTuner automatically apply the clock speed at the startup of Windows every time you boot. To do this, do everything up until step 7, and then tick the "Apply overclocking at Windows startup" box, and press Save. This will make the GPU clock speed at 750 Mhz all the time. While this is easier, since you don't have to run specific applications, or apply the profile each time, it lets the GPU run at an increased speed even if it's not required.
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Credited to the person who found the work around. |
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cheesecan
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| Posted: Sun Feb 08, 2009 5:43 pm Post subject: |
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| kls85 wrote: | Why you want to flash your graphic bios, is it because of the speed issue plague on most of the HD 4800 series cards?
There is a work around if you can't find it. |
Please elaborate on this speed issue. |
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gameyoda
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| Posted: Mon Feb 09, 2009 3:20 am Post subject: |
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Did that, after 30 minutes of Lotr Conquest (which crashed every 6 minutes) I thought it worked, but then it crashed -.-'
Do I need to update my BIOS or would a new fan also help?
Edit: Even with other games it crashes, tried 5  |
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kls85
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| Posted: Mon Feb 09, 2009 4:45 pm Post subject: |
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| cheesecan wrote: | | kls85 wrote: | Why you want to flash your graphic bios, is it because of the speed issue plague on most of the HD 4800 series cards?
There is a work around if you can't find it. |
Please elaborate on this speed issue. |
When your not doing anything intensive the card will set itself to 2d mode where it also reduces its clock frequency. Once you start running something intensive, it goes back to 3D mode and brings the speed back up.
Depending on the game or program you run, sometimes it will cause the the card to constantly switch between 2d and 3d. The card can handle the stress for a limited amount of time before it crashes.
The 750MHz speed is the stock clock set by the factory, by using a 3rd party tool to set to that particular speed it prevents the card from switching between 2d and 3d.
The bios update fixes this issue, but not all card makers will provide bios updates.
As for that work around...
Build a system once with the HD 4870 1GB and it does crashes when I start to play intensive game like Crysis. By doing that work around the problem went away.
Of course the most update driver, game patches, and other setting may have played a part as well.
Anyway, this is interesting |
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gameyoda
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| Posted: Tue Feb 10, 2009 1:42 am Post subject: |
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It is interresting indeed  only problem is though the programs I downloaded from there wont work, only RBE will, but without a bios from either of the 2 other programs its useless.
Thank you for the link tough, didn't know it was possible to make the BIOS more custom to avoid the bad BIOS updates out there.
Edit:
I tried ATITool today, it also doesnt work (something a bit like Rivatuner but then for ATI only). Some how it seems that even though those programs are on the core speed of my graphics card will still just do what it wants no matter what its told...
Is BIOS updating nesscary? And can I do it from USB or CD as I dont have a floppy drive? |
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