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Discuss [Kernel] For AppleTV (to run OSX) at the AppleTV - Hackint0sh.org; HI, I am new to this forum. I have a question I hope you guys ...
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    Default got 10.4.8 working on apple tv, image problem

    HI, I am new to this forum. I have a question I hope you guys can answer. I have installed 10.4.8 on my apple tv, but I have a screen resolution that is stuck at 720/480 which looks too big on my 47 inch lcd. Is there any way to increase the resolution with with a driver or something. thanks in advance for your help


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    Question Display resolutions?

    Quote Originally Posted by Cruzun View Post
    I have installed 10.4.8 on my apple tv, but I have a screen resolution that is stuck at 720/480 which looks too big on my 47 inch lcd. Is there any way to increase the resolution with with a driver or something.
    Hi,
    Yeah I've kinda got the same question too.
    Running ATV with iDeneb 10.5.6, with 20" Cinema Display. All seems ok but I don't have the ability to change the resolution.

    I also have a 23" Cinema Display which I would like to use, but it won't fire up. I am assuming it's the driver as the onboard video of the ATV should get to 1920x1200.

    The from what I've read, the ATV has a Nvidia graphics chip, but i'm not keen on installing a nvidia driver in case I bugger everything.

    Any help would be great!

    Litespeed.

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    Default about sound

    I will repeat the post from anothe thread:

    There is no way of getting sound over HDMI. It only works out of the analog sound.

    You can still use the video part from HDMI and then select the analog sound input in the TV set.

    * Download the AppleHDA audio driver: RapidShare: 1-CLICK Web hosting - Easy Filehosting

    * Drag the alc885dump.txt on the AppleHDAPatcherv1.20 and wait till the patching is finished.

    **** Do not run AppleHDAPatcherv1.20!! simply drag the codec onto the AppleHDAPatcherv1.20!! ****

    Reboot and select internal speaker in the preferences.

    It works for Tiger and Leopard. The volume and quality works great for me, it is not low at all.

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    Default

    I don't have an AppleTV to test with, but I would like a relatively inexpensive Apple server....

    Does anyone know if you can run Snow Leopard Server on an AppleTV?

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    ash
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    Default

    I tried to boot snow leopard off of an usb disk, but the ATV didn't even detect it as bootable, though I did the exact same stuff that is needed to boot leopard.
    It seems that the ATV boot.efi and the one used in SL are incompatible.

    But I never tried to use a normal Leopard DVD to install, only OSx86 DVDs. So maybe there is something more to do than just to install and exchange the boot.efi.


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    Default

    The Apple TV only has 256MB RAM. Given the number of additional processes that launch with any of Apple's server products, I would avoid trying to install them in the first place -- if they'd even run in such a small footprint. My PPC Mac mini had an upper RAM limit of 2GB RAM and I never upgraded to Leopard because of the slightly larger memory footprint of just the OS. Which makes me wonder if it's possible to install an EFI bootable Linux on the ATV...

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    Default

    Quote Originally Posted by phedboi View Post
    The Apple TV only has 256MB RAM. Given the number of additional processes that launch with any of Apple's server products, I would avoid trying to install them in the first place -- if they'd even run in such a small footprint. My PPC Mac mini had an upper RAM limit of 2GB RAM and I never upgraded to Leopard because of the slightly larger memory footprint of just the OS. Which makes me wonder if it's possible to install an EFI bootable Linux on the ATV...
    No, the AppleTV EFI firmware will ONLY load the appletv boot.efi file, it's cert signed and EFI firmware checks it. That means you can NOT get another EFI bootloader running... The ONLY way is to fake a mach_kernel and get boot.efi to load this and then you can load a Linux kernel. At this point EFI is useless and that's why atv-bootloader works the way it does. Believe me, I spent months trying to work around it.

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    Super Moderator Array Olethros's Avatar

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    Default

    Quote Originally Posted by davilla View Post
    No, the AppleTV EFI firmware will ONLY load the appletv boot.efi file, it's cert signed and EFI firmware checks it. That means you can NOT get another EFI bootloader running... The ONLY way is to fake a mach_kernel and get boot.efi to load this and then you can load a Linux kernel. At this point EFI is useless and that's why atv-bootloader works the way it does. Believe me, I spent months trying to work around it.
    Are there no exploits in the cert validation like the pwnage exploit for the iPhone? A way to break the whole chain of trust at the lowest level. Has anyone even looked for this?
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    Quote Originally Posted by Olethros View Post
    Are there no exploits in the cert validation like the pwnage exploit for the iPhone? A way to break the whole chain of trust at the lowest level. Has anyone even looked for this?
    Nope, since we can get boot.efi to load a fake mach_kernel, there was never any need to look further.

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    Default Re: [Kernel] For AppleTV (to run OSX)

    To clear some things up:
    Semthex kernel includes a CPU emu to allow Osx to run on this cpu, which he has written back than. New techniques for sse2 emu use a evolution of this in a kext. It works by catching exceptions and emulating the correct opcode. The Apple tv is sse2, osx retail will never run with it.
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