can you boot from an ext. USB Hard Drive?

Discussion in 'Mac Accessories' started by andiwm2003, Oct 10, 2005.

  1. andiwm2003 macrumors 601

    andiwm2003

    Joined:
    Mar 29, 2004
    Location:
    Boston, MA
    #1
    sorry if that's already answered in an old thread but even goolgle didn't find anything useful.

    can you boot a Al powerbook from an usb drive? (given that there is a system cloned to this drive)

    would that only work if you select that drive as a startup disk or does it also work in case of a internal hd failure without the chance to set the start up disk? in other words will the usb drive automatically be detected as start up disk?

    thanks, ANDY
     
  2. HydroMan macrumors 6502

    HydroMan

    Joined:
    Sep 19, 2004
    Location:
    Luton. Lutonshire.
    #2
    I'm not an expert on this but I did try to boot my old iMac G3 with a Lacie pocket drive using usb (Firewire fried) and I have to say it was unsuccessful as the data transfer rates are too low, as for usb 2 haven't tried it yet but for some reason (probably read it in a thread here on MR) I think that it would not work, Firewire is the only way to go IMHO.
     
  3. PlaceofDis macrumors Core

    Joined:
    Jan 6, 2004
  4. Josh396 macrumors 65816

    Josh396

    Joined:
    Oct 16, 2004
    Location:
    Peoria/Chicago, IL
    #4
    It won't even boot off of a USB 2.0 Drive?
     
  5. tdhurst macrumors 68040

    tdhurst

    Joined:
    Dec 27, 2003
    Location:
    Portland, OR
    #5
    Nope

    OS X cannot boot off any type of USB external drive (only firewire) no matter how you set the drive up.
     
  6. andiwm2003 thread starter macrumors 601

    andiwm2003

    Joined:
    Mar 29, 2004
    Location:
    Boston, MA
    #6
  7. yenko macrumors 6502a

    Joined:
    Aug 29, 2005
    Location:
    SouthWest-USA
    #7
    NO :mad:
     
  8. strydr macrumors 6502

    strydr

    Joined:
    Mar 25, 2005
    Location:
    SoCal
    #8
    I don't want to start another debate about BIOS/open firmware, but Intel systems can boot from USB. I did some training @ Intel's campus in Hillsborough, OR about a year ago, and we were booting Itanium2s from a USB 2.0 thumb drive. Used it to run Diags. and utilities, pre-OS.
    Depending on how Apple designs their BIOS/Firmware chip, it would be posible to boot from USB, at least from a hardware perspective. I do not know if OSX can handle boot from USB
     

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