not sure if this is the problem but if you are connecting the disk to
the internal scsi bus, no termination is required or expected as this is
a scis 'stub'. Try removing the terminator pack.

On Sat, 2003-05-10 at 04:09, henry nelson wrote:
> I'm trying to install 1.5.3 on an old IPC.  I put in a Seagate ST3600N
> out of a Mac Quadra800 without any changes to the jumpers and without
> removing the terminator resistors.
> 
> When I run "(I)nstall", I get an error after replying 'y' to "Do you
> wish to edit disklabel?".  I get the same error if I drop out of the
> installation environment (^C) and try to use `disklabel sd0 > st3600`
> from the shell prompt.  The error is:
> 
>   "disklabel: ioctl DIOCGDINFO: Operation not supported by device"
> 
> Is there anything that can be done to get a usable partition table
> on the disk?  The next-largest disk I have (280MB) is too small for
> what I want to use the machine for.  TIA
-- 
Greg Matthews
iTSS Wallingford	01491 692445