USB 3 cards should all be bootable by now?

Discussion in 'Mac Pro' started by macmesser, Mar 11, 2016.

  1. macmesser macrumors 6502a

    Joined:
    Aug 13, 2012
    Location:
    Long Island, NY USA
    #1
    Should I be checking bootability on currently available USB 3 cards for Classic Mac Pros or should they all pretty much be bootable? If it is not safe to assume they will be bootable in latest OS, what's the reason (other than they weren't made that way :p)?
     
  2. rawweb macrumors 6502a

    rawweb

    Joined:
    Aug 7, 2015
    #2
    No USB 3 PCIe card is bootable in a Mac Pro 1,1-5,1 as there is no driver support until an operating system loads drivers. USB 3 is not in EFI.
     
  3. erer macrumors member

    Joined:
    Jun 1, 2018
  4. h9826790 macrumors G4

    h9826790

    Joined:
    Apr 3, 2014
    Location:
    Hong Kong
    #5
    Yes, it’s definitely possible.

    And I did able to activate the KT4004 via Clover few months ago when I was trying to activate the GPU via Clover.
     
  5. erer macrumors member

    Joined:
    Jun 1, 2018
    #6
    as we know now mac pro 4,1 5,1 boot rom can be modıfıed as NVME boot maybe same way we can modıfy bootrom to have usb 3.0 boot. not ın clover..
     
  6. handheldgames macrumors 65816

    handheldgames

    Joined:
    Apr 4, 2009
    Location:
    Pacific NW, USA
  7. erer macrumors member

    Joined:
    Jun 1, 2018
    #8
    Is it a problem?
     

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