What happens if I try to connect an internal drive designated as a Startup disc? - ehMac.ca
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Old Mar 25th, 2009, 03:54 PM   #1
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What happens if I try to connect an internal drive designated as a Startup disc?

hello all,

alright here's my dilemma: i need to access data from an SATA drive which came out of another mac. normally i would simply connect it internally in my present mac. the issue is that the new drive was designated as the startup drive in the other mac.

would this cause a conflict in my current mac? i mean, if you have two drives connected which are both startups, would my current mac have an issue with this?

btw, i would be putting it into a g5 1.6mghz PPC. the drive in question came out of a dual G5 PPC 2.0. i know, i'm going backwards as far as processing power is concerned. i need to access the data, is all.

thanks!
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Old Mar 25th, 2009, 04:24 PM   #2
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The startup disk is connected to the hardware of the Mac. Therefore, if you connect the second drive, your Mac will still boot from its original drive as always.
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Old Mar 25th, 2009, 04:27 PM   #3
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Lars, I hope you are right. if I try to do this, are you absolutely sure that I won't get a conflict of interest? have you done it? btw, there is an OS on the new drive going in. that's two OS's--one on the new drive going in, and one on the original already inside the machine.

btw, thanks for your response!
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Old Mar 25th, 2009, 05:05 PM   #4
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Lars is right.
I have three start up drives connected to my Mac right now.
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Old Mar 25th, 2009, 05:34 PM   #5
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If you doubt, then hold the Option key down at startup, and after a while you will be presented with your choice of drives to designate as the drive to start up with.

(O'course, if they are both named Macintosh HD... )
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Old Mar 25th, 2009, 06:11 PM   #6
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alright thanks guys. i will go ahead and do it.
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Old Mar 25th, 2009, 11:40 PM   #7
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You can safely connect the external after you are booted. Then as suggested go to system prefs and confirm that your internal is still the start-up disk. If both disks have the same HD name change it on your external so as to avoid confusion!
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