Uggh, this got me so frustrated. After flashing, card wouldn't let 2 boards to boot. I'm not really tech expert, but I've been messing with PCs for a long time, so BIOS reseting, setting internal graphics and so on, isn't unknown to me. I've never even heard of a similar thing. So, as soon as I connect this fresh flashed card to the motherboard (in first PCI ex slot,second, with or without internal enabled or connected, bios reset and so on), motherboard won't POST. ASUS p5kr old one or Gigabyte h77 one. I've found 3rd one where I was able to boot (past POST screen) with flashed card and reflash original vBIOS. Put it back in Gigabyte h77, sigh, it works. Ok, lets try another Sapphire bios and other available BIOSes, boom, it won't boot again. I was arguing with my brother at the time, so instead of putting it in 3rd board (am2) to recover bios, i put it in ASUS p5kr and it boots. WTF. So, to shorten story, I've tried all the BIOSes available on techpower site (compatible, ofc) and as soon as I flash it, my Gigabyte h77-ds3h won't post. If I return original vBios it posts. 2 other boards will boot with card flashed with new bios.
I've tried looking online, but all the posts are related to bricked cards.
I seriously have no idea why the hell this could be happening and won't be flashing my card anymore, too much stress wondering will it boot after each try.
I don't need Hackintosh for many things, I would be using it for online work (teaching), so I don't really need powerful graphics card, it should be able to provide smooth browsing, watching yt videos and
I was actually wondering, since this motherboard has PCI ex x16 and PCI ex x4 slots, if I can use second slot for another graphics card that would be working only under OS X, like cheap GT 710 or so, but I guess that's question for another thread.
Thank you guys for your help.
