EFI for GTX 770 SC?

Discussion in 'Mac Pro' started by Akira28.com, Nov 9, 2013.

  1. Akira28.com macrumors member

    Oct 2, 2013
    I had a friend of mine selling a barely used GTX 770 SC, so i decided to give it a try. I must admit it looks a little faster and smoother compared to my previous GTX 680 SC Signature.

    Now, my noob questions this time are [given the fact that with 10.8.5 & cuda & nvidia driver manager the card is almost plug and you're almost fine like that]:

    1. Is there a valid motivation why one should have to stay on gtx 680? I mean, the 770 is almost identical and looks like a re-newal of the 680 and its price new is almost a 680 price used.

    2. Is there a tutorialed way to flash an EFI in a 770? I know for someone it's a business, so I can understand if there won't be a tutorial. I'm just aking.
    'cause I noticed the black-maybeworkingmaybenot-screen until the desktop shows up and i remembered after that i have bootcamp too, so I'd need a boot screen. With the 680 that was pretty easy considering the 680 mac edition rom + bios tweaker combo.
  2. pastrychef macrumors 601


    Sep 15, 2006
    New York City, NY
    BootChamp is a nice little app that helps with booting to a Bootcamp partition without having to use the boot menu.
  3. chiefsucker macrumors newbie


    May 8, 2011
    The GTX 770 is basically an overclocked GTX 680. My experience is that the former card is a little bit cheaper (especially after the price cut about a week ago) and it is a couple percent faster (due to the overclocking). Both are great and it’s almost the same card.

    Yes, that’s the only reason I can think of while one should stay with the GTX 680. The missing boot screen isn’t a huge problem for most folks though. You can even select the boot volume from the corresponding System Preferences pane without 3rd party utilities.

    I would also love to know if we’ll see a GTX 770 EFI ROM in the future. From a couple of eBay searches it looks like MacVidCards is selling them already.
  4. Akira28.com thread starter macrumors member

    Oct 2, 2013
    I tried bootchamp and it's really great.
    New problem: i just bought a second SSD, so i'll need a boot screen.
    I think I'll be forced to sell the gtx 770 even if I feel it working better than the 680.
  5. ActionableMango macrumors G3


    Sep 21, 2010
    Not a problem. Bootchamp doesn't care if your boot volumes are partitions or whole drives, so the procedure doesn't really change just because you are adding an SSD. I have OS X and Windows on separate internal SSDs and Bootchamp works just fine.
  6. MacVidCards Suspended

    Nov 17, 2008
    Hollywood, CA
    If you are in US might be worth having us mod it for you.
  7. Akira28.com thread starter macrumors member

    Oct 2, 2013


    I'll have a SSD with OSX & WIN, the other with just OSX.
    So the problems come when i need to decide which SSD i want to boot from, that's what i meant
  8. DanielCoffey macrumors 65816


    Nov 15, 2010
    Edinburgh, UK
    There is always System Preferences - Startup Disk which will allow you to chose your OSX drive to be used from next boot. Clumsy but available.
  9. Akira28.com thread starter macrumors member

    Oct 2, 2013
    There are several ways.
    Since i have pci-e adapter i have to power the SSD taking power from MacPro's mobo or from external with a 220V to sata power adapter.
    I could decide which SSD power if i use 2 external power adapters.

    But the target is staying sat with my finger on the alt button and see my beloved grey screen haha

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