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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 3707

post #37061 of 38721
Good to hear....
My 280x does not have the switch.... the dual BIOS is the best thing these card manufacturers ever did!! biggrin.gif

Still curious as to what the flash offers for the card??

I have done some BIOS editing with my brother on his 7950 to get 50% power limiter, and that worked out nicely. We removed the boost feature, and got a 1200 core and 1850 memory on a reference sapphire 7950....

Card performed great, but just wondering what the OP is trying to accomplish. rolleyes.gif
Edited by Agent Smith1984 - 10/21/14 at 6:57am
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post #37062 of 38721
Quote:
Originally Posted by Agent Smith1984 View Post

Good to hear....
My 280x does not have the switch.... the dual BIOS is the best thing these card manufacturers ever did!! biggrin.gif

Still curious as to what the flash offers for the card??

I have done some BIOS editing with my brother on his 7950 to get 50% power limiter, and that worked out nicely. We removed the boost feature, and got a 1200 core and 1850 memory on a reference sapphire 7950....

Card performed great, but just wondering what the OP is trying to accomplish. rolleyes.gif

hey, i bought 7950 instead of 280x, and able to achieve 1230 on core and 1500 on memory maximum. with 20% TPL . i want know if i flash its BIOS, will i be able to get any more overclock over 1230mhz like extend to 1260,1280 mhz . what you say on it.
post #37063 of 38721
1230 on core is amazing, 1500 on memory is ok if you have elpidia memory.

Flashing a custom BIOS will not likely gain you any head room overclocking unless you are downclocking due to power limit. Or if you are like me and just prefer not to use overclocking software, but that still wont net you any overclocking headroom. But honestly, if my cards did 1230 on core, I would not complain one bit.
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post #37064 of 38721
Quote:
Originally Posted by inedenimadam View Post

Quote:
Originally Posted by incog View Post

Can someone tell me what's up with having a blue PCB on a Sapphire 7970?

Also, I would like to know if there are any good sources to flashing a BIOS, having never done it before. There are obviously pros and cons. What do you do with a card with a messed up BIOS btw? Imagine I saved my current BIOS (back up). How to I bring it back to the card when it has a messed up BIOS? I have a boost edition so I think I have two BIOSes.

http://www.overclock.net/t/1353325/tutorial-atiwinflash-how-to-flash-the-bios-of-your-ati-cards

That is the guide that got me started. If your flash goes south for some reason, you just turn your PC off, flip the BIOS switch and reboot. While powered on, you can flip the switch again to the failed bios and flash again. It sounds daunting, but 7970s are pretty easy.

If you want to get really funky with it, you can just use your original BIOS and edit it to suit your own needs:

http://www.techpowerup.com/forums/threads/vbe7-vbios-editor-for-radeon-hd-7000-series-cards.189089/

@Agent Smith1984 7970s with the dual BIOS are pretty easy to get right, and to recover. Allot of the woes of flashing are not a concern for this series.


He's not asking how to flash but in preparation for a failed flash, and how to recover.


He needs the blind flash guide. Here's what you're looking for.

http://www.overclock.net/t/593427/how-to-unbrick-your-bricked-graphics-card-fix-a-failed-bios-flash/0_40


As I wrote in the other thread, blue pcb cards are different. You might have better luck as mentioned above modding the bios. The vbe7 thread is good, and here's another.


http://www.overclock.net/t/1395490/ati-hd-7950-7970-bios-mod-thread/0_40
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post #37065 of 38721
I've used VBE7 and it works great.

I always look at the risks and fixes, if it is out of my league I leave it alone.
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post #37066 of 38721
Quote:
Originally Posted by inedenimadam View Post

1230 on core is amazing, 1500 on memory is ok if you have elpidia memory.

Flashing a custom BIOS will not likely gain you any head room overclocking unless you are downclocking due to power limit. Or if you are like me and just prefer not to use overclocking software, but that still wont net you any overclocking headroom. But honestly, if my cards did 1230 on core, I would not complain one bit.

yes i do feel lucky i able to achieve 1200+, because have seen many that lies even below 1200. well memory is Hynix stock was 1250 and overclocked to 1500 on memory and its 20% over stock.

actually i am a bencher + Overclocker you can call me enthusiast. playing game is low and highly involved in benching. so wanna go beyond if possible.
post #37067 of 38721
Quote:
Originally Posted by Nafu View Post

yes i do feel lucky i able to achieve 1200+, because have seen many that lies even below 1200. well memory is Hynix stock was 1250 and overclocked to 1500 on memory and its 20% over stock.

actually i am a bencher + Overclocker you can call me enthusiast. playing game is low and highly involved in benching. so wanna go beyond if possible.

Is that 1230 stable, or for benching only, in which case which bench do you use?
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post #37068 of 38721
Quote:
Originally Posted by Nafu View Post

Quote:
Originally Posted by inedenimadam View Post

1230 on core is amazing, 1500 on memory is ok if you have elpidia memory.

Flashing a custom BIOS will not likely gain you any head room overclocking unless you are downclocking due to power limit. Or if you are like me and just prefer not to use overclocking software, but that still wont net you any overclocking headroom. But honestly, if my cards did 1230 on core, I would not complain one bit.

yes i do feel lucky i able to achieve 1200+, because have seen many that lies even below 1200. well memory is Hynix stock was 1250 and overclocked to 1500 on memory and its 20% over stock.

actually i am a bencher + Overclocker you can call me enthusiast. playing game is low and highly involved in benching. so wanna go beyond if possible.

1500 mem is not great for Hynix. Are you able to adjust memory voltage through afterburner? I am asking because it is not all that uncommon to get 1800+ on hynix for benching. Both of my hynix cards will do 1800.
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post #37069 of 38721
My blue PCB as well as the fact that I'm not really going to make my card overclock any better makes me not want to flash anymore really. I can't think of any tangible benefits, I'm fine messing around with AB.
post #37070 of 38721
Quote:
Originally Posted by incog View Post

My blue PCB as well as the fact that I'm not really going to make my card overclock any better makes me not want to flash anymore really. I can't think of any tangible benefits, I'm fine messing around with AB.

Completely understandable. The only reason I have mine flashed is because of the headache mixing in an ASUS gpu has been. My DC2 is an overclocking beast, but is only voltage adjustable through GPUweak, which coincidentally wont adjust voltages on the MSI card, and vice versa for AB.

Edit: It is also nice to have a GOP enabled BIOS for Ultra Fast Boot. But fast boot from an SSD is really not all that much slower.
Edited by inedenimadam - 10/21/14 at 1:29pm
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