RE: Epson 1680 SCSI Problem

["Jim Allen" <JAllen@xxxxxxxxxxxxxxxxxxx>]

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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