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Re: How to determine if the system is started up from firewire disk
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Re: How to determine if the system is started up from firewire disk


  • Subject: Re: How to determine if the system is started up from firewire disk
  • From: Andrew Merenbach <email@hidden>
  • Date: Tue, 9 Sep 2008 19:50:36 -0700

On Sep 9, 2008, at 5:10 PM, Ryota Tsukiashi wrote:

Hi,

I am writing a cocoa application for our firweire device. I need to
know if the system is started up from firewire disk. For PowerPC with
Mac OSX 10.4/10.5, I have used information from "nvram boot-device".
For IntelMac with 10.4/10.5, I have used "nvram efi-boot-device". I am
not sure if it is a proper way, but it has been working OK. But on Mac
OS X 10.6, even if the systems is started from firewire disk, there is
no information in "nvram efi-boot-device" if it is connected to
firewire bus. Does anyone have an idea or know a proper way how to
determine if the system is started up from firewire disk.

Sincerely,

Ryota

Hi! By "Mac OS X 10.6," are you referring to the still-under-NDA SnowLeopard system? If so, you'd have to report the bug (or whatever it is) directly to Apple, as the Non-Disclosure Agreement legally prevents others from assisting you in this matter. :( (Note that this was not at all meant to sound harsh.)


Best,
	Andrew

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