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vbios

  1. W

    GPU Bios/flashing help needed

    I have a 2011 27" iMac i7 3.4GHz 12,2 which I want to put a Metal AMD GPU into so I can upgrade the OS with OCLP. I'm very comfortable mechanically and I have stripped out the machine several times before to upgrade the HDD and SSD, as well as bake the old GPU (HD6970M) when its failed over the...
    • Whistlejacket
    • Thread
    • 2011 27" imac flash bios gpu card installation legacy imac metal oclp vbios wx4150 wx4170 wx7100
    • Replies: 0
    • Forum: iMac
  2. JustTinkering

    GPU Tinkering for 2010 iMac

    Hello all, I recently acquired (for free) a 2010 iMac that wasn't operational. I got the OS running again, but it was all but unusable. So I upgraded the ram from 4 to 8 GB, added in an SSD in addition to the original HDD and ODD, replaced the thermal paste on the GPU and CPU, and upgraded...
    • JustTinkering
    • Thread
    • gpu imac overclock upgrade vbios
    • Replies: 10
    • Forum: iMac
  3. S

    iMac Pro 2010 iMac Graphics Card K2000M flashing failed

    Graphics card upgrade K200M for iMac 2010 21 inch failed on flashing with USB Ubuntu live boot ,the error getting was I/O ERROR: cannot open file.Saved rom for current vbios was 156KB,while the new vbios file was (K2100.rom ) was 256KB, don,t know this issue was higher 256KB bios needed or...
    • streak8047
    • Thread
    • flashing efi imac 2010 upgrade vbios
    • Replies: 8
    • Forum: iMac
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