[1308] in linux-scsi channel archive
Re: looking for a write-protected SCSI disk
daemon@ATHENA.MIT.EDU (Michael Schwingen)
Fri Jan 24 18:40:17 1997
From: Michael Schwingen <m.schwingen@stochastik.rwth-aachen.de>
To: kaos@ocs.com.au (Keith Owens)
Date: Fri, 24 Jan 1997 16:53:10 +0100 (MET)
Cc: jrv@mbunix.mitre.org, linux-scsi@vger.rutgers.edu
In-Reply-To: <19970118011109.22715.qmail@mail.ocs.com.au> from "Keith Owens" at Jan 18, 97 12:12:31 pm
> your SCSI chain is happy with external, inactive termination, disable
> the drive termination and put an external terminator on the second
> connector of the SCSI box. Separates the termination from the drive
> power, works for me with a 1542 and Sysquest 270Mb, powered down most
> of the time. YMMV.
That should not be necessary. The SCSI standard requires the termination on
the drive to work even if it is powered off (that's what the TERMPWR line is
for).
If the drive powers its terminators internally instead of using TERMPWR, it
is not conforming to the SCSI specs.
cu
Michael
--
Michael Schwingen <m.schwingen@stochastik.rwth-aachen.de>
Institut fuer Statistik und Wirtschaftsmathematik, | In the beginning there was
Wuellnerstr. 3, 52056 Aachen | nothing, which exploded.
