Re: Epson 1680 SCSI Problem

["Michael Demyan" <mdemyan@xxxxxxx>]

Jim:

I really don't know. I would think it may be either the card software or
windows scsi drivers continuing to look for more devices and when to doesn't
find the terminator - it hangs (dumb computer - huh!).

Mike
----- Original Message -----
From: "Jim Allen" <JAllen@NortechVentures.com>
To: <scan@leben.com>
Sent: Thursday, March 07, 2002 10:50 AM
Subject: RE: Epson 1680 SCSI Problem


> Mike,
>
> OK.  I will give that a try.  Do recall however, that I did try the Epson
in
> the middle of a chain and it still did the same thing.
>
> Seems to be the consensus that termination is a big problem.  Just
curious,
> what is it that Windows sees that causes it to lock up when the device is
> not properly terminated?
>
> (I will let you know if new termination helps.)
>
> Jim
>
>  -----Original Message-----
> From: owner-scan@leben.com [mailto:owner-scan@leben.com]  On Behalf Of
> Michael Demyan
> Sent: Wednesday, March 06, 2002 6:33 PM
> To: scan@leben.com
> Subject: Re: Epson 1680 SCSI Problem
>
> Jim:
>
> Try switching the scanner internal terminator off and putting an external
> terminator on the other port.
>
> Mike Demyan
>
> ----- Original Message -----
> From: "Jim Allen" <JAllen@NortechVentures.com>
> To: <scan@leben.com>
> Sent: Wednesday, March 06, 2002 3:40 PM
> Subject: RE: Epson 1680 SCSI Problem
>
>
> >
> >
> > Byard,
> >
> > Thanks for the thoughts.  I tried every setup I could think of.  The
> > simplest, and one that I had hoped would work, was to only have the
Epson
> > 1680 scanner connected.  It has a switch in the back that you set for
> > termination on or off.  Since it was the only device in the chain, I had
> it
> > on.  That gave the same results.  I even tried putting the problem Epson
> > scanner in the middle of the chain.  Same problem.  Hence, although I
> cannot
> > be sure, it does not seem that it is a termination problem.  It is a
very
> > strange problem.  Any other thoughts?
> >
> > Jim
> >
> > Are you sure that only the first and last devices on the chain are
> > terminated?
> >
> > I think Adaptec supplies a terminated cable, so the card is
> > terminated...therefore, you need only terminate the last device on the
> > chain, and shouldn't terminate anything between the card and the last
> > device.
> >
> > Just to make things even happier...some terminators won't work with some
> > devices...oh, joy...so you could try a different terminator.
> >
> > Scanners, in general, seem to do better as the last device on the chain,
> so
> > perhaps reconfiguring the chain would help.
> >
> > And, be sure of your SCSI ID numbers...as you probably know, it isn't
the
> ID
> > number but the position in the chain that determines first and last
> device.
> >
> >
> >
> > on 03/05/2002 05:38 PM, Jim Allen at JAllen@NortechVentures.com wrote:
> >
> > > Greetings,
> > >
> > > I have an Epson 1680  Therefore, I decided to go to
> > > SCSI connection.  I already had a SCSI card (Adaptec 2903B)  that I
had
> > been
> > > using with a Nikon LS-2000 with no problem
> > >
> > > When I connected the 1680, powered it up, and started Windows, it
would
> > hang
> > > on the opening screen.  Finally, I found on my own that if I turned
the
> > 1680
> > at the
> > > point it hung that Windows would continue starting.  If I then turned
on
> > the
> > > Epson it was recognized and I could install the appropriate drivers.
> > >
> > > Every time I restart windows, it hangs if the 1680 is on.  If I then
> turn
> > it
> > > off and let it make it past that point in loading Windows before
turning
> > it
> > > on again it is OK.  (If I wait too long before turning the 1680 on,
then
> > it
> > > is not recognized as being available.)
> >
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