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RE: Linux SCSI seagate (TMC-950) driver help

daemon@ATHENA.MIT.EDU (Christian Jullien)
Thu Dec 9 11:23:02 1999

From: "Christian Jullien" <eligis@wanadoo.fr>
To: "Egbert Eich" <eich@hilbert.ikp.physik.tu-darmstadt.de>
Cc: <linux-scsi@vger.rutgers.edu>
Date:   Thu, 9 Dec 1999 17:00:22 +0100
Message-ID: <NDBBKEKEPPEHBDFOABLGGEDBCBAA.eligis@wanadoo.fr>
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 > Have you checked meanwhile if NT really sees the irq 5 or has
 > just registered it?

I've no idea to do that on NT, so I made this test:

Both a SCSI CD-ROM and 4mm DAT are connected to the TMC 9C50.

While a full tape erase has been sent (quite a long job), I've complete
CD-ROM acces where a recusive dir
(DIR /S) gives me pretty good performances. I guess that if disconnection
was not allowed, CD-ROM performances should not be so good. Right ?

I've no idea how to progress now, except to add a

#if defined( ALLOW_DISCONNECTION )

in Linux driver and leave with it. After all, this laptop is not used as a
server ;^)
and having periodic CD-ROM, disk or DAT is not so bad.

Of course, a better solution is still a must!!

Christian.


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