HD4000 driver hack for custom VRAM size

Discussion in 'OS X Mountain Lion (10.8)' started by kpkp, Apr 21, 2013.

  1. rikytax macrumors newbie

    rikytax

    Joined:
    Feb 4, 2019
    #126
    hi guys, i am trying to do this on MBP mid 2012 13" 8gb ram and mojave.
    I have done all the passages but the system info keep saying 1536mb to vram (i putted x80 in the sudo command).
    Any help?
     
  2. jackluke macrumors 68000

    jackluke

    Joined:
    Jun 15, 2018
    #127
    Try use mine already patched, it works correctly, tested by me from Mojave first GM to the latest 18D109 update, just replace yours inside /S*/L*/E*/

    and after issue these Terminal commands:

    sudo chmod -R 755 /S*/L*/E*
    sudo chown -R 0:0 /S*/L*/E*
    sudo kextcache -i /


    reboot and check system profiler, now will show 2048 MB VRAM size allocated.
     

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  3. rikytax macrumors newbie

    rikytax

    Joined:
    Feb 4, 2019
  4. derkiki macrumors newbie

    Joined:
    Jul 23, 2019
    #129
    Thanks a lot for this!! I'm on high sierra and i had to disable some sort of root protection first, else terminal would say "Operation not allowed." After that it worked! I'm hoping it helps DaVinci Resolve's performance...

    If anyone else has this problem, the following should help (do this at your own risk):

    Boot into recovering mode using command-R
    Start terminal from utilities menu

    To see system integrity protection status, type
    csrutil status
    To disable System Integrity Protection, run the following command:
    csrutil disable
    to enable:
    csrutil enable

    Hope it helps someone
     

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