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Gigabyte HD7950 Windforce - Bios update problem

post #1 of 7
Thread Starter 
Hey guys,

I figured I try and update my bios to a more recent one (a 1000Mhz Core boost bios) and it worked, I could login to windows, browse and what not.
The problem, however, occurs when I launch Overwatch (I'm sure it'll happen with other games, I just haven't tried that). RadeonSettings.exe will stop responding and overwatch will let me know the rendering device has been lost.

Flick my dual bios switch to slot 1 (original bios) and it works again.

I used ATIWinflash.exe (gui) to flash my card.

I guess it's not a big deal, original bios worked fine but if I can get the new bios to work properly that'd be great, so if anyone has any ideas what might be causing the problem it'd be greatly appreciated. thumb.gif
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post #2 of 7
It sounds like the bios just isnt stable on that card. are you sure its for your specific gpu model? honestly gpu bios flashing is the most dangerous from my testings. i say leave the stock one there and just use Msi Afterburner and overclock it a bit. much easier then trying to flash different bios's. but it does sound like the one you flashed just isnt playing nice and is too unstable in certain scenarios. hope this helps.
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post #3 of 7
You can save your stick bios and edit with vbe 7 http://www.techpowerup.com/forums/threads/vbe7-vbios-editor-for-radeon-hd-7000-series-cards.189089/

Then flash with Windows
Make sure to increase power by 10-20% and make sure the core/volts you are flashing is stable

My sapphire 7950 runs 24/7 at 1.2 and 1100/1500
post #4 of 7
Thread Starter 
Quote:
Originally Posted by InverseTundra View Post

It sounds like the bios just isnt stable on that card. are you sure its for your specific gpu model? honestly gpu bios flashing is the most dangerous from my testings. i say leave the stock one there and just use Msi Afterburner and overclock it a bit. much easier then trying to flash different bios's. but it does sound like the one you flashed just isnt playing nice and is too unstable in certain scenarios. hope this helps.

I got the new bios from hardware something or techpowerup (bios database). But the device ID they attached to that bios matched my device id.
Yeah that's what I've always done, but once I reach about 1090 maybe a bit more, I start getting textures with a chess pattern. Once I bump my mem clock to 1575 it'll happen less often and once my voltage is at 1.25 it's partically gone (occasional flicker will still happen).
But once I'm at 1.25 I think my GPU is getting too warm. (I believe my core temps were around 75 - 80 celcius and vrm's at 85 celcius) and I started to smell this warm plastic scent.

I've got the obisidian 700d with quite a decent airflow so not really sure why it gets this warm (ambient would be around 24-25 celcius I'd say)

I was hoping the newer bios would possibly increase my OC ceiling allowing me to run 1100 without any problems.

Quote:
Originally Posted by CravinR1 View Post

You can save your stick bios and edit with vbe 7 http://www.techpowerup.com/forums/threads/vbe7-vbios-editor-for-radeon-hd-7000-series-cards.189089/

Then flash with Windows
Make sure to increase power by 10-20% and make sure the core/volts you are flashing is stable

My sapphire 7950 runs 24/7 at 1.2 and 1100/1500

I'll look into it although I'll probably don't do that. I only flashed my bios because it seemed like a possible quick solution, normally I don't touch my bios.
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post #5 of 7
It just sounds like the gpu wasnt a good overclocker. changing the bios wont make it overclock better, thats a limiter of the chip itself. it sounds a bit hot but amd has always ran pretty hot and ive never owned the card so i really dont know if it is normal or not.
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by CravinR1 View Post

You can save your stick bios and edit with vbe 7 http://www.techpowerup.com/forums/threads/vbe7-vbios-editor-for-radeon-hd-7000-series-cards.189089/

Then flash with Windows
Make sure to increase power by 10-20% and make sure the core/volts you are flashing is stable

My sapphire 7950 runs 24/7 at 1.2 and 1100/1500
Quote:
Originally Posted by InverseTundra View Post

It just sounds like the gpu wasnt a good overclocker. changing the bios wont make it overclock better, thats a limiter of the chip itself. it sounds a bit hot but amd has always ran pretty hot and ive never owned the card so i really dont know if it is normal or not.

Not really, the 290's yes they did, but before that as I remember Nvidia ran hotter. Especially their GTX 470 and 480's. But that's not the point.

I guess I'll just stick with the old bios, I'll just have to grab a new gpu soon. It's getting quite old anyway haha.
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post #7 of 7
Quote:
Originally Posted by Sleazybigfoot View Post


Not really, the 290's yes they did, but before that as I remember Nvidia ran hotter. Especially their GTX 470 and 480's. But that's not the point.

I guess I'll just stick with the old bios, I'll just have to grab a new gpu soon. It's getting quite old anyway haha.

Just use the old bios then use Afterburner to overclock the gpu yourself. its alot easier. you trying to do it the hard way for some reason. OC that way and when you hit the oc cap you hit it. Changing the bios wont really do much to aid you performance wise over what you can already achieve if at all.
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Koji
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