Re: SCSI device numbering
Michael Neuffer (neuffer@goofy.zdv.uni-mainz.de)
Tue, 2 Jul 1996 18:34:21 +0200 (MET DST)
On Tue, 2 Jul 1996, Albert Cahalan wrote:
> >> No, it is sufficient for everything, including really weird
> >> SCSI adapters. Using nibble boundries (for nice hex output),
> >> dev_t can be split as follows:
> >
> >> Purpose Bits Normal Extreme
> >> controller 4 <= 1 2
> >> bus 4 == 0 1
> >> device 8 <= 2 4
> >
> > What about wide SCSI? It does 16 devices.
>
> No problem. 8 _bits_ gives 2^8-1 devices, which is 255.
> That is over 15 times what you need for wide SCSI.
Maybe for WIDE, but with FCAL you have no more room left to breathe.
FCAL supports 8 bits as device ID.
Mike
Michael Neuffer i-Connect.Net, a Division of iConnect Corp.
mike@i-Connect.Net 14355 SW Allen Blvd., Suite 140
503.677.2900 Beaverton, OR 97008