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Article #2

Re: Has this device startup volume?

#2
From: Joerg Erdei
Date: Wed, 10 Jan 1996 00:00
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bill@clavin.lmsc.lockheed.com (Bill Catambay) wrote:
>In article <simonjw-0301960838220001@dialup06.odyssey.apana.org.au>,
>simonjw@odyssey.apana.org.au (Simon Wright) wrote:
>
>> In article <leo-2812952132070001@adinstruments.tmx.com.au>, leo@adi.com.au
>> (Leo Possajennikov) wrote:
>> 
>> > If I know the ID of SCSI device (more exactly: bus, ID, LUN) how I can
>> > know has this device startup volume or not?
>> 
>> Leo,
>> 
>> As far as I know, if it has a valid system file & neccessary system stuff,
>> it can be a boot (startup) volume.  The one selected in the "Startup Disk"
>> control panel is the current startup volume.
>> 
>> 
>
>There would appear to be more to it than that. Well, at least FWB toolkit
>would indicate so.  It formats disks and will flag a disk as bootable if
>the user requests.  Does anyone know how to determine whether a partition
>is flagged as bootable or not?  And is that truly required?  (or is FWB
>just yanking our chains?)

The Mac looks into the boot blocks to determine if a volume is bootable
(= is a startup volume). Most formatters have an option to set the bootable
flag for any drive/partition. Or you could look at the boot blocks using
Norton Editor. 

Joerg Erdei
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References: <leo-2812952132070001@adinstruments.tmx.com.au> <simonjw-0301960838220001@dialup06.odyssey.apana.org.au> <bill-0401961213440001@129.197.20.15>

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From: Joerg Erdei <a8101gbb@vm.univie.ac.at>
Subject: Re: Has this device startup volume?
Date: 1996/01/10
Message-ID: <4d0tha$1obc@ftp.univie.ac.at>
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references: <leo-2812952132070001@adinstruments.tmx.com.au> <simonjw-0301960838220001@dialup06.odyssey.apana.org.au> <bill-0401961213440001@129.197.20.15>
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