Problem with recognizing umax scanner

Doug Ledford dledford at redhat.com
Sun Mar 4 23:01:03 PST 2001


Karl-Heinz Herrmann wrote:
> 
> Hi,
> 
> The Astra 2200 is working nicely here on a different scsi-controller though. I got
> a cheap ncr810 based one.
> 
> >From what you sent I guess that you do not have the sg (generic scsi) interface in
> your kernel. This is needed for the scanner access. Try to load the module "sg".

Sorry, won't help.  His bus is hosed.  The whole 50 pin -> 25 pin converter
thing only works when the scanner is the only thing on the bus.  When you
start mixing it with other internal devices that want decent transfer speeds,
it ends up hosing the bus.  In short, I don't think he'll have much luck as
long as he has his bus wired the way he does, and the constant PARITY_ERROR
messages in the log files are a clear indication that the bus wiring is having
problems coping with the combination of bus topology and bus speed.

-- 

 Doug Ledford <dledford at redhat.com>  http://people.redhat.com/dledford
      Please check my web site for aic7xxx updates/answers before
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