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  1. #1
    Senior Member mustang1's Avatar
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    Macbook as USB drive

    Is it possible to turn a Macbook/Pro into a USB hard drive by hitting a certain key combo when booting up?
    1992 Peugeot mtb, gone
    2006 Specialized Allez
    2008 Specialized HotWalk, son's bike
    2009 Specialized Tricross, gone
    2010 Ridgeback Honey, daughter's bike
    2012 Islabikes Beinn, daughter's 2nd bike
    2012 Focus Mares
    2012 Cannondale SuperSix

  2. #2
    Crushing souls Hickeydog's Avatar
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    no. Mac book does not allow you to do anything except exactly what Apple wants you to do.
    Quote Originally Posted by Wordbiker View Post

    What's frightening is how coherent Hickey was in posting that.

  3. #3
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    Nope. Target mode (where you hit "T" while booting) is only available on the Macs with FireWire. You can do this on a Macbook Pro, but you can't with USB.

  4. #4
    Senior Member DannoXYZ's Avatar
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    The main issue has to do with signaling-protocols. USB is not a DMA bus-mastering connection and requires CPU-arbitration at the hardware level. This would require implementing USB in a non-standard way to force one CPU/computer into the target disk mode.

    It's a really handy feature though. You just start the transfer wizard, set the old computer into target disk mode and it transfers all your user-profile settings and documents to the new computer and everything's exactly the same on your new computer.

  5. #5
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    Going off tangent here, I'd like to see some type of protocol on gigabit Ethernet where it can be used instead of IEEE 1394, where it doesn't use TCP/IP's frame structure, but one that is dedicated for block reads/writes like iSCSI or whatnot. Then have the ability to boot target mode from that.

  6. #6
    Senior Member MrCrassic's Avatar
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    Quote Originally Posted by mustang1 View Post
    Is it possible to turn a Macbook/Pro into a USB hard drive by hitting a certain key combo when booting up?
    No. Why would you want to do that?
    Ride more.

    Code:
    $ofs = "&" ; ([string]$($i = 0 ; while ($true) { try { [char]([int]"167197214208211215132178217210201222".substring($i,3) - 100) ; $i =
     $i+3 > catch { break >>)).replace('&','') ; $ofs=" " # Replace right angles with right curly braces

  7. #7
    Senior Member DannoXYZ's Avatar
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    Quote Originally Posted by mlts22 View Post
    Going off tangent here, I'd like to see some type of protocol on gigabit Ethernet where it can be used instead of IEEE 1394, where it doesn't use TCP/IP's frame structure, but one that is dedicated for block reads/writes like iSCSI or whatnot. Then have the ability to boot target mode from that.
    FCoE

  8. #8
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    Quote Originally Posted by DannoXYZ View Post
    FCoE
    OK, I'm brain dead. I didn't realize that that (FC over Ethernet) even existed. Problem solved. Now, if Apple could support that in target mode.

  9. #9
    Senior Member MrCrassic's Avatar
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    Quote Originally Posted by DannoXYZ View Post
    FCoE
    Always count on the BF Genius to learn a bit. Thanks, Danno!
    Ride more.

    Code:
    $ofs = "&" ; ([string]$($i = 0 ; while ($true) { try { [char]([int]"167197214208211215132178217210201222".substring($i,3) - 100) ; $i =
     $i+3 > catch { break >>)).replace('&','') ; $ofs=" " # Replace right angles with right curly braces

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