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New Bios update for gigabyte HD7950 ! - Page 50

post #491 of 1324
I haven't done long-term stability testing, but so far, the new F43 BIOS is working wonderfully.

Passing some short tests in OCCT, I can run 1150/1550 MHz with 1.09v. My idle voltage is still 0.95, but the 1.09 is a lot better than the 1.25. At that voltage I couldn't even hit 1100/1400 MHz without it crashing after a minute.
post #492 of 1324
For testing try Unigine Heaven and Valley and 3DMark. Also play some games like Crysis 3...smile.gif
post #493 of 1324
I find that the ultimate stability test is Battlefield 3 as I could pass any benchmark or GPU stress test, but BF3 would still crash.
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Asus ROG G751JY
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post #494 of 1324
Was playing SC2 with the 1150/1550 clocks, but was getting weird shadow artifacts. Even resetting to default 1000/1250 clocks didn't solve it. Flipped back to default BIOS and restarted computer, and it was good to go. Then restarted again and flipped back to F43, and now SC2 runs flawless at 1100/1500. Going to bed, but I'll be putting it through the Unigine benches this weekend.

And yea, BF3 seems awfully picky with overclocks.
post #495 of 1324
Tomb Raider is my new stability test.. rolleyes.gif
My 7950 was running 1200/1600 all day long in 3DMark looping, BF3 Ultra, Crysis 3 and several other demanding games. Not a single artifact or crash.

In Tomb Raider it crashed. I downed to 1150, it was stable now, but i got artifacts, so i had to down the memory to 1500 too.
Im running 1150/1500 now and Tomb Raider is running without issues.

Anyone else tested their OC in Tomb Raider?
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Golden Ivy
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post #496 of 1324
I have a hardware locked card (two of them in fact) that came with the FX0 BIOS. I got the F43 BIOS on them and the cards run cooler due to the lower vCore and seem to stable at 1050/1400. I can't tweak voltage, so i am stuck there at stock volts.

Since the F3 BIOS runs 1.25 vCore (like my OE FX0), I *should* get a better OC, however, the FX0 BIOS was very aggressive with the fans. Is the F3 BIOS more reasonable with the fan speeds? I am really liking the default fan scaling on the F43 BIOS...
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post #497 of 1324
Hi guys! I found some more new bioses for hd 7950, which were posted by gagbyte at 22th of march. As I understood the main change is that 7950 uses a boost clock now.

http://www.gigabyte.com/products/product-page.aspx?pid=4121#bios
There are 2 new bioses FX1 and FY1.

I have some questions:
1) What does such letters (FX&FY) means? Is it suitable for my 7950 with original F42 bios?
2) What does it means - "UEFI BIOS"? Is it kind of unusual bios setup procedure?

of course I can try to setup this for having answers, but I dont want to unbrick 2nd bios if it goes wrong) just lazy)))

anyone who tested please make a post about your results.
post #498 of 1324
These are GHz bios versions... This FX1 is just for F42/F43 bioses - i will try it...smile.gif

EDIT: FX1 broke my bios - just returned to F43.
FY1 don't work too...
Edited by Belkov - 3/22/13 at 12:40pm
post #499 of 1324
So my card passed the Heaven and Valley benchmarks at max settings - and by pass I mean didn't crash (average FPS was like 15) - with clocks at 1100 / 1500, 50% fan speed. Temps topped out at barely 62 degrees Celsius. It passed with 1150 / 1550 as well, but when I ran the 1150 / 1550 a second time (80% fan speed), the driver crashed.

Does anyone else have the problem with the AMD driver not recovering properly? If it crashes, I have to restart my computer or I get artifacts in all games until I do, regardless of my clock speeds.
post #500 of 1324
Don't worry - this is normal. It happens because you need more voltage for such clock. Try to downclock a little.
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