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Flashed bios

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HeavyHemi
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Re: Flashed bios 2015/11/27 20:54:55 (permalink)
My own personal take is the recommendations and advice to flash GPUs are getting far too casual and it is not being made very clear what risks are. Most of the time folks are flashing to get around the Boost 2.0 *limits* for little to no real gain. IOW the risk reward isn't there for the user.

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Zuhl3156
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Re: Flashed bios 2015/11/28 03:48:56 (permalink)
I personally swore off BIOS flashing after I bricked my Sapphire HD5870 trying to install an ASUS BIOS on it. Sapphire was kind enough to approve an RMA replacement for it anyway and I decided then and there to not press my luck ever again. I have never flashed or modded the BIOS on any of my EVGA video board except for the fan unlocker BIOS supplied by EVGA for my GTX-570 superclocked boards. I have seen different warranty coverage explanations posted by EVGA's support staff. Warranty may or may not have been voided. I have seen a board warrantied because a SSC BIOS was borked when trying to flash it onto a vanilla board because it was a non-modded EVGA BIOS. In the end it all depends on what EVGA decides to do for you.

 
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bob16314
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Re: Flashed bios 2015/11/28 06:29:48 (permalink)
Jim Moriarty
I have tried the solutions that you guys mentioned, but without any luck. I try to boot from the invigorated graphics, and that works, but then the gpu is not detected. How can I have the card recognized but not used to boot?



Well, that sux..I would try some different versions of NVFlash and see how things work out..You can find the newest and older versions for DOS here, and for Windows here.
 
I don't know if the version that you're using (whatever it is) initially detected the card and flashed it with a VBIOS that it now doesn't recognize to flash it back or something weird like that or what, or if it's just plain bricked.
 
There's some different command line switches for the newer vs. older versions but I don't know exactly when they changed..The older versions used -4 -5 -6 to override and flash and the newer versions just use -6..There's more info at the OCN NVIDIA Forum.
 
Using old versions of NVFlash tells me "No NVIDIA display adapters found" as seen in the snips below..Newer versions work just fine.
 
I'm just guessing (and hoping) that you need to use another version of NVFlash and that your card isn't actually bricked..Good luck.
 

 

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Zuhl3156
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Re: Flashed bios 2015/11/28 06:52:22 (permalink)
Did you try nvflash --protectoff ?

 
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kwkrnu72
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Re: Flashed bios 2015/11/28 22:17:16 (permalink)
HeavyHemi
My own personal take is the recommendations and advice to flash GPUs are getting far too casual and it is not being made very clear what risks are. Most of the time folks are flashing to get around the Boost 2.0 *limits* for little to no real gain. IOW the risk reward isn't there for the user.



The gains on Maxwell are amazing, actually.  Especially since they have artificially low power limits.  Getting a decent clock out of Maxwell, pretty much means you're going to have to flash the bios, or hit a power limit at some pretty pedestrian clock speeds.  I haven't seen a 970 / 980 / 980ti bios yet that didn't need some serious help.  Most everyone I've helped with flashing their GM204 have gone from seeing PWR perf caps starting around 1450 to 1500 to no perf caps at all at 1600.  The gains are there....just gotta be willing to take them.
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HeavyHemi
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Re: Flashed bios 2015/11/29 10:23:30 (permalink)
kwkrnu72
HeavyHemi
My own personal take is the recommendations and advice to flash GPUs are getting far too casual and it is not being made very clear what risks are. Most of the time folks are flashing to get around the Boost 2.0 *limits* for little to no real gain. IOW the risk reward isn't there for the user.



The gains on Maxwell are amazing, actually.  Especially since they have artificially low power limits.  Getting a decent clock out of Maxwell, pretty much means you're going to have to flash the bios, or hit a power limit at some pretty pedestrian clock speeds.  I haven't seen a 970 / 980 / 980ti bios yet that didn't need some serious help.  Most everyone I've helped with flashing their GM204 have gone from seeing PWR perf caps starting around 1450 to 1500 to no perf caps at all at 1600.  The gains are there....just gotta be willing to take them.


'Decent' is a subjective term. Sure you can get another 100 mhz  which translates into a couple of FPS. Getting 1600 mhz stable out a 980Ti is pure luck of the silicon lottery. FWI, I'm running a modified BIOS myself, but I know what I'm doing. My comments are more directed toward those that just believe they can grab any BIOS floating around and just cross their fingers. It should be emphasized there is a risk. Particularly when using a BIOS that isn't native to your particular GPU manufacturer/model. Personally, I've always modified the existing BIOS...after saving the original of course.

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