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Intel Macs can boot from USB drives

Last week Dan posted about the new complications of Intel OS X drives not being bootable on PowerPC Macs, and vice-versa. The report came from Jon 'Wolf' Rentzsch, who recently updated the originating post with some specifics about booting and partition schemes, with one fairly positive detail: Intel based Macs can boot from USB2 drives.

While many in the Mac community prefer FireWire over USB2 for various reasons, this will nevertheless open the doors for OS X to be bootable from more external hard drives. What are the chances I can bring a slimmed down OS X installation along with me on a 2 or 4 GB USB2 flash drive? I guess a geek can dream.

Last week Dan posted about the new complications of Intel OS X drives not being bootable on PowerPC Macs, and vice-versa. The report came...
 

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Mr. J Bauer

FireWire is living! Think of all the DV-Cams, and Audio-Interfaces via. FW.
I don't mind if most peripherials are usb2 because then firewire is free for the important things like low latency audio editing and dv-cams (or hdv-cams:)

February 10 2006 at 7:00 AM Report abuse rate up rate down Reply
Alexander

Apparently HTML code can't be used when linking.. http://micromat.com/protege/protege_intro.html

February 09 2006 at 9:28 PM Report abuse rate up rate down Reply
Alexander

There already a a bootable thumbdrive. And it's 1GB of Firewire. The ultimate system maintenance hardware. Micromat Prot駩

February 09 2006 at 9:26 PM Report abuse rate up rate down Reply
RPlatt

For theose that may be interested, the iMac Intel Core Duo will boot to an external USB hard drive. I'm using a 3.5" External SATA Hard Drive Enclosure (USB 2.0) that I cloned from one of my external Firewire hard drives. Only the iMac Intel Core Duo version of OSX will boot. Intuitively, the USB drive seems just as fast as any of my Firewire drives.

February 09 2006 at 7:26 PM Report abuse rate up rate down Reply
NavStar

I thought it was *impossible* to boot from USB because of technial limitations.

February 09 2006 at 3:54 PM Report abuse rate up rate down Reply
Eli

Most people who knock FireWire do so because they don't understand why it's better than USB2 in many applications. Here's a good rundown for those who don't "get it":

http://www.dv-gear.com/digital-video-capture-card/firewire-vs-usb.htm

I'd
rather boot off FireWire.
But flexibility is nice, so hooray for the new Macs ability to boot from either.

February 09 2006 at 10:33 AM Report abuse rate up rate down Reply
Apple Tech

Booting from USB isn't really that amazing. Now if target disk mode would work on either USB or Firewire that would be excellent. Target disk mode makes imaging machines a breeze and the problem with usb is that the chip is host controlled so maybe they could offload that onto EFI. Any news on that development?

February 09 2006 at 9:23 AM Report abuse rate up rate down Reply
[Geeks Are Sexy]

Hey, a slimmed down version of OsX running on a USB key would surely be something wonderfull for techies.. I know that similar installation for windows do wonders..

Kiltak
[Geeks Are Sexy] Tech. News
http://geeksaresexy.blogspot.com

February 09 2006 at 7:12 AM Report abuse rate up rate down Reply
Scott

Besides my HP ZD7000 laptop has firewire. Firewire will be around for a while...still the best way to hook up a video camera.

February 09 2006 at 7:12 AM Report abuse rate up rate down Reply
Lee

It never ceases to amaze me how many folks believe the "Apple is going to do away with firewire" myth.

1- That was for iPods ONLY. to cut the unit manufacturing costs on a $300 device.
2- It would orphan MILLIONS of DV cams that are firewire out. Last I checked most of the new ones are STILL firewire. Can you say iMovie/Final Cut??

February 08 2006 at 10:11 PM Report abuse rate up rate down Reply
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