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Discuss efi on pc, it's possible at the Tiger - Hackint0sh.org; Found a way to get rid of the BootStart! BootError!: In DOS, I removed every ...
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    Found a way to get rid of the BootStart! BootError!:

    In DOS, I removed every Partition and Updated MBR from the USB-stick with Paragon Disk Manager (hirens Boot CD).

    Then I plugged in the USB stick under Windows and denied the question if I wanted to format the new device.

    After that, I used dd for windows, but changed synthax to

    dd if=c:\complect\imageefi.img of=\\?\Device\Harddisk6\Partition0 bs=1M --size --progress

    dd if=c:\complect\usbmbr_novesa of=\\?\Device\Harddisk6\Partition0 --size --progress


    where Harddisk6 is my USB-drive (found via diskpart in cmd).

    Now it boots without errors.



    Unfortunatly, the system reboots without any errors, while loading the kernel after like 6 lines of ".............." - could be a VESA issue, because this is on Core2Duo T7300 with NoNX enabled in BIOS, HPET enabled in BIOS, SSE3 of course and i965+ICH8M chipset.

    It could also be a kernel issue - T7300 is SantaRosa - first seen with 8.9.4 kernel and the provided kernel is 8.9.1 I think - netkas, any idea?
    Last edited by themaxx32000; 07-09-2007 at 03:08 AM.


  2. #122
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    Quote Originally Posted by themaxx32000 View Post
    EDIT: Also, how does Apple manage the decryption on current Mac's, since some don't have a TPM-module anymore? Is this managed by an EFI-module? If so, can't we use it for this implementation to boot of original restore-discs?
    AFAIK Decryption is handled by the kernel module which pulls it's key from the SMC hardware...?

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    Quote Originally Posted by themaxx32000 View Post
    Found a way to get rid of the BootStart! BootError!:

    In DOS, I removed every Partition and Updated MBR from the USB-stick with Paragon Disk Manager (hirens Boot CD).

    Then I plugged in the USB stick under Windows and denied the question if I wanted to format the new device.

    After that, I used dd for windows, but changed synthax to

    dd if=c:\complect\imageefi.img of=\\?\Device\Harddisk6\Partition0 bs=1M --size --progress

    dd if=c:\complect\usbmbr_novesa of=\\?\Device\Harddisk6\Partition0 --size --progress


    where Harddisk6 is my USB-drive (found via diskpart in cmd).

    Now it boots without errors.



    Unfortunatly, the system reboots without any errors, while loading the kernel after like 6 lines of ".............." - could be a VESA issue, because this is on Core2Duo T7300 with NoNX enabled in BIOS, HPET enabled in BIOS, SSE3 of course and i965+ICH8M chipset.

    It could also be a kernel issue - T7300 is SantaRosa - first seen with 8.9.4 kernel and the provided kernel is 8.9.1 I think - netkas, any idea?
    Hi guys,

    themaxx, any way this is make in OSX? i have tryed but all time have this err, and dont have more a winPC for try this metod.

    any idea for help me?

    thanks

  4. #124
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    No idea, but found out, that it does not work with my other 2gb usb stick....

    EDIT: Please, somebody who got this working... My stick boots strait to the menu instead of the shell... I can hit continue twice to load the shell or select "Boot Maintance Manager" -> "Boot from file" and then select the shell from \efi\boot\bootia32.efi

    but this does not work, so i need to load it automatically....

    EDIT1:

    Hmm, just me working with this?

    I compiled latest DUET, cause netkas version was pretty old... Currently my goal is to get ICH8-M AHCI EFI module to access my HDD in AHCI mode. Also, I am looking for an UGA VESA generic driver, which could easily fix the VESA issue - just a guess...

    Also, I found out, that I get BootStart error like 8 of 10 times I copy the image to the stick, or use the nmake usb command. You have to try a couple of times and clean your USB-Sticks MBR before that.

    Last one is, that I did not manage to get DUET working on my 2GB stick. From 512--128, every stick was ok but this one always gives me BootStart error!


    EDIT2:

    two questions:

    1.) Does anyone else get a gray screen (apple-grey) when loading fm1.fv with "loadfv fs0:\apple\fm1.fv"?

    2.) Netkas, could you provide a kernel which shows us where it hangs (actual kext file and not "............" while "loading drivers..."?
    Last edited by themaxx32000; 07-16-2007 at 11:54 AM.

  5. #125
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    good topic! bump...


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  7. #127
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    hi all and netkas.

    have a question:

    u use all original kexts or need some modification in kexts?

    thx
    If you just want to support hackint0sh.org with a donation click here.

    Twitter: @f41qu3 @hackint0sh @hmbt_org @iphone_dev

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    this looks really good !! I'm looking forward to dd the new bootloader to my Leo partition

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    woow!... exellent job!

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    if you're running Apple stock kernel with pc_EFI bootloader, then you might need to edit the FSB setting in boot file (default is 200Mhz)

    here is how you can do it yourself :

    1/ open the boot file in an hexadecimal editor (hexedit or any other you like)

    2/ search for ASCII string FSB (only one occurence at the end of the file),
    FSB setting is right before it (starting at offset 0xD798) :

    Code:
    90 FA EF 7E 01 00 00 10 00 C2 EB 0B 00 00 00 00
    00 C2 EB 0B is endian flipped 0b eb c2 00 -> 200 000 000 for 200Mhz

    3/ convert your actual FSB to hex :
    let's say you're running your FSB at 350Mhz, this will be 350 000 000
    - open OS X calculator in programmer mode, click the decimal button and enter 350 000 000
    - click Hex button, this gives you 0x14DC9380
    - click the "reverse bin. octet" button to get the value flipped (my OS X is french localized, so not sure of the name in english localized OS X),
    this gives you 0x8093DC14, 80 93 DC 14 is the value you want to use
    - replace the original value with your own value

    4/ overwrite the boot file to the boot sector of your OS X partition, same as you've done first :
    - boot in single user mode (do not /sbin/mount -uw / )
    - CD to the directory where you have startupfiletool and boot files
    - enter the command :
    Code:
    ./startupfiletool /dev/rdisk0s1 boot
    rdisk0s1 is first partition of first harddrive, if you booted from another OS X boot disk, or if your boot partition is not first partition, you will need to enter your own value...

    reboot and you're done !
    Last edited by gotoh; 11-08-2007 at 10:11 AM.


 

 

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