[SunRescue] LVD drive on SCSI-2

[Mike Nicewonger]

Unless that is one of the Multi-mode drives, i.e. SE or LVD it will not
work.

The Sparc Stations use SE (single-ended) SCSI, where that drive is LVD (low
voltage differential) SCSI. If you are lucky you have not let the magic
smoke out of the drive or the controllers. You run a high risk of destroying
the electronics on the drive or the controller by mixing SE with
differential.

Cheers,

Mike N
----- Original Message -----
From: Chris Powell <Chris_Powell at mitel.com>
To: <rescue at sunhelp.org>
Sent: Monday, May 22, 2000 4:54 AM
Subject: [SunRescue] LVD drive on SCSI-2


>
> Hi All,
>
> I'm trying to get an IBM DRVS-09V 9.1G LVD SCSI drive working on a Sun
> SPARCstation. The drive connector is a 68-way micro-D, and I'm using
> a 68-way to 50-way IDC converter to put the drive in a 411 box. I'm
> then connecting the 411 to the SCSI-2 connector of the base unit. I've
> tried both a SPARCstation 5 and 10. Neither the PROM probe-scsi command
> or UNIX see the drive. The drive does spin-up on power-up (not tried
> removing the jumper to spin-up on SCSI command).
>
> I have tried jumpering the drive to turn off single-ended and wide
> negotiations, still nothing.
>
> Am I doing something wrong here? My understanding is that LVD should work
> on a SCSI-2 bus.
>
> Thanks.
>
>
> Chris.
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