[rescue] Differential SCSI?

velociraptor velociraptor at gmail.com
Tue Jan 10 16:39:44 CST 2006

On 1/10/06, Rox <rox at sunmuseum.org> wrote:
> On 10 Jan 2006 at 5:35, jodys at helluin.org wrote:
> > Ignoring the issue of the wideness of the bus, am I  correct in thinking
> > that I cannot connect "Differential", or HVD, devices to a single-ended
> > or LVD bus?
> Yes (though there are interface convertors available which can
> translate between the two, e.g. by Paralan and Rancho)
> > And will connecting single ended or LVD devices to a HVD bus actually
> > make magic smoke come out?
> The smoke is rarely visible, but sometimes things do break as a result
> of this mistake. BTDT.  SCSI shares the property of several other
> interconnection systems (RS-232 springs to mind) - the plug may fit,
> but that doesn't mean it's going to work.

Some SCSI hard drives DTRT, though, so if that's where your question
lies, check your drive specs.

I haven't seen a SCSI drive labelled "differential" (LVD or HVD) in
quite some time.


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