On Mon, Feb 07, 2005 at 03:55:36PM -0500, Eric Siegerman wrote:
> On Fri, Feb 04, 2005 at 07:21:59PM -0500, Gene Heskett wrote:
> > Aha, LVD!  LVD is not compatible with the rest of the system unless 
> > the rest of the system is also LVD.  It is two, completely seperate 
> > signalling methods that just happen to use the same cabling.
> 
> Yes and no.  From the SCSI FAQ: "[ANSI] specified that if an LVD
> device is designed properly, it can switch to S.E. [single-ended,
> i.e. "normal", SCSI] mode and operate with S.E. devices on the
> same bus segment."
>   - http://h000625f788f5.ne.client2.attbi.com/scsi_faq/scsifaq.html#Generic099
> 
> So if you mix it with S.E., you lose its LVDness, e.g. you have
> to stick to a S.E. bus length; but you shouldn't fry any
> hardware.

Can on look at the device connectors, or better yet, the external connectors,
and tell if a device is LVD or SE?  Or does one have to check the HW doc?


-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
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