1. Join Date
    Jun 2012
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    GIGABYTE GA-965P-DS3 (rev. 1.3) Socket 775
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    Intel Core 2 Duo E6300 Conroe 1.86GHz LGA 775 65W
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    DIAMOND ATI Radeon™ HD 2600 XT 512MB GDDR2 PCIe
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    nbpanjwa is offline
    #11

    ATI Diamond HD 2600XT 512 MB - Mountain Lion - Video Problem


    Quote Originally Posted by goober296 View Post
    The number one thing i have learned about a hack is to not stay locked in on any one way of getting something done. I see you have done some research on the 2600xt so you know it's an older unpopular card that is seldom used. My suggestion would be to find a different card. It doesn't have to be expensive, there are many cheap alternatives. Move on so you can enjoy your hack.
    Thank you for your suggestion, and it does makes a lot of sense. I'm sorry but my post is misunderstood. I'm not stuck in any way with this video card as I do have other working alternatives but I'm interested to make this card work. When it works flawlessly in Windows 7, Windows 8, Linux and in OS X 10.5.2 then why not in OS X 10.8 especially when Mac pro 3.1 comes with it and Apple was replacing defectives ones up until recently. I see more than 200 views to this post which itself proves that it is not unpopular video card and that there are other users also interested to know a working solution. I'm not in hurry and I don't demand help as I can understand experts may be busy with other important things and when they get a chance they may offer a helping hand. I request users to provide only technical help in future. Thanks

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    goober296 is offline
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    #12

    ATI Diamond HD 2600XT 512 MB - Mountain Lion - Video Problem


    This is a list of the most popular supported cards...http://legacy.tonymacx86.com/wiki/in..._Card_Database.... find your card here and see if that will help...oh wait, i don't see it......have a nice day.

  3. Join Date
    Apr 2012
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    System
    N68C-S UCC Mobo
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    AMD Athlon II X3 450 Rena
    Graphics
    ATI Radeon HD 2600 XT 512Mb
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    dragolas is offline
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    #13

    ATI Diamond HD 2600XT 512 MB - Mountain Lion - Video Problem


    I have an ATI Radeon HD 2600 XT in my hackintosh as well. This card works FLAWLESSLY in Leopard 10.5.X (all versions) just by adding the ATY_init.kext. I have made some SLIGHT progress in Snow Leopard, 10.6.2 and 10.6.8 but seeing as Snow Leopard is going to lose official apple support due to the release of Mountain Lion, I am looking to move forward.

    The interesting point here is that from 10.6 all the way to 10.8 the process is the same on this card. In order to get ANY resolution change we have to remove or mod ATIRadeonX2000.kext. I think there is something SMALL missing from a kext or something that we're normally unable to pinpoint.

    A friend of mine is running a Mac Pro (2008ish) and he has the Radeon HD 2600 that works in Snow and Lion without OpenCL but he still has QE/CI support. (He dual boots because Lion doesn't support Rosetta.) I've tried copying his kexts from his machine on both installs but it appears they're identical to the ones in hackintosh builds.

    THIS means that we need something extra OR it's the card itself (firmware). I'm not sure he'd let me go as far as to borrow the ATI card itself... but I also tried to copy his card's firmware to a .rom file in DOS and it worked... but unfortunately I cannot flash it to my card since it's 128kb and my card's chip is only 64kb.

    The fact that the cards are different is due to their EFI preamble before the BIOS of the video card itself. BUT the EFI preamble shouldn't be a whole extra 64kb! That's almost insane. Also his card is only 256mb where as mine is 512. I know flashing my card to different firmwares works because I'm currently running it on a Club3D firmware (it's originally a HIS/Sapphire). So basically... here's what I want to try...

    Either finding and flashing a 64kb Mac Firmware for the 2600XT
    OR Copying all the original kexts from Leopard 10.5.8 to 10.6.8(+) (I know it probably won't work, but it's worth a shot.)
    OR Taking the crazy amount of time to scrutinize every difference between my friends (Lion) Kexts for 2600XT and my (hackintosh lion) kexts to make sure that every tiny detail and MD5 hash is the same.

    Oh in THIS VERY forum a user has managed to get the 2600XT working by using a flashed rom, but the details are vague. You can read that here:http://legacy.tonymacx86.com/viewtopic.php?f=3&t=19629
    (Yeah, I know it's for SL but the process should be exactly the same for L and ML. Same mods and kext adds...)

    I think that's about all I have on the topic... Hoping for a solution soon. :-/

    Also...
    Quote Originally Posted by goober296 View Post
    This is a list of the most popular supported cards...http://legacy.tonymacx86.com/wiki/in..._Card_Database.... find your card here and see if that will help...oh wait, i don't see it......have a nice day.
    "Note: this is not an exhaustive list, and many cards are currently working besides the ones listed here."
    Which is RIGHT above the list of 'supported cards'. The INCOMPLETE list. >.>

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