[rescue] Amigas arrived
bdwheele at indiana.edu
Fri May 18 12:11:46 CDT 2007
On Fri, 2007-05-18 at 17:58 +0100, Peter Corlett wrote:
> On Fri, May 18, 2007 at 08:11:51AM -0400, Brian Wheeler wrote:
> > Now if I could just find a set of roms for my A2091 that let me hook up
> > more than one SCSI device without it hanging I'd give AMIX a shot!
> That is because earlier ROMs attempt to read the RDB (partition table,
> amongst other things) even from non-disk devices and will continue to poll
> the device until you insert a CD or whatever.
> There is a workaround, however. There is a flag in the RDB that says that
> this is the last LUN on the SCSI ID, or the last SCSI device on the bus. So
> you should renumber your devices so that all of your disks have a lower ID
> than non-disk devices and then set this flag. I now habitually number disks
> up from 0 and non-disks down from 6 as a result of this "feature".
> To set the highest-disk flag, power-down and/or disconnect the non-disk
> devices so that the A2091 doesn't try to scan them and boot the system. Run
> HDToolbox and re-save the partition table on your highest-numbered disk. Now
> you can turn on the non-disk devices and they should work after the next
> You can also use this trick to hide disks larger than 4GB from AmigaOS that
> you were only going to use under Unix.
That is very good to hear! Looks like I may have a project to try this
weekend when my daughter is at a birthday party :)
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