sane-project-website/old-archive/2000-02/0127.html

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<H1>Re: SCSI Cable</H1>
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<STRONG>From:</STRONG> Irv Thomae (<A HREF="mailto:irv.thomae@succinct.com?Subject=Re:%20SCSI%20Cable&In-Reply-To=&lt;200002141523.KAA30797@benz.tpk.net&gt;"><EM>irv.thomae@succinct.com</EM></A>)<BR>
<STRONG>Date:</STRONG> Mon Feb 14 2000 - 07:18:51 PST
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On Mon, 14 Feb 2000 07:00:29 -0800, Andrew McHorney wrote:
<BR>
<P><EM>&gt;Well I can get a simple 4 to 6 scsi foot cable for now. When I get my
</EM><BR>
<EM>&gt;computer desk setup, the scanner will be located much closer and then I can
</EM><BR>
<EM>&gt;use a 3 foot cable.
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt;The scanner came with an adaptec controller which is ok, but I would rather
</EM><BR>
<EM>&gt;not waste a slot.
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt;Andrew
</EM><BR>
<EM>&gt;
</EM><BR>
<P>&nbsp;&nbsp;&nbsp;Although it's certainly true that a decent SCSI controller can accept a wide
<BR>
mix of devices insofar as addressing and delivery are concerned, OTOH it's also
<BR>
true that slow devices can limit bus speed, effectively bringing all down to
<BR>
the &quot;least common denominator&quot;. *That*, IMHO, is a strong argument for using a
<BR>
distinct (low-speed, cheap) controller for your scanner. Also, with a lower
<BR>
maximum speed, the separate bus will more easily tolerate the 6-foot cable
<BR>
length.
<BR>
&nbsp;&nbsp;Didn't an el-cheapo controller come with the scanner? If not, check
<BR>
misc.forsale.whatever , a likely place to find people with extra hardware they
<BR>
don't happen to want....
<BR>
<P><EM>&gt;At 07:55 AM 2/14/00 -0500, you wrote:
</EM><BR>
<EM>&gt;&gt;Tom Napolitano &lt;<A HREF="mailto:tomnap@bersama.net?Subject=Re:%20SCSI%20Cable&In-Reply-To=&lt;200002141523.KAA30797@benz.tpk.net&gt;">tomnap@bersama.net</A>&gt; writes:
</EM><BR>
<EM>&gt;&gt;
</EM><BR>
<EM>&gt;&gt;&gt; I'm not sure why you say this, but you must have a reason. I've
</EM><BR>
<EM>&gt;&gt;&gt; been &gt; using Adaptec SCSI controllers on my machines since 1988
</EM><BR>
<EM>&gt;&gt;&gt; or so and that's &gt; one of their niceties, just toss on a device,
</EM><BR>
<EM>&gt;&gt;&gt; disks, tape, scanners, cdrom, &gt; and they get recognized. Modulo
</EM><BR>
<EM>&gt;&gt;&gt; setting the device numbers and terminators &gt; of course. I'm
</EM><BR>
<EM>&gt;&gt;&gt; curious about why you would have these bad experiences.
</EM><BR>
<EM>&gt;&gt;
</EM><BR>
<EM>&gt;&gt;I have a Tekram DC-390F UW scsi card, and one thing I cannot do is
</EM><BR>
<EM>&gt;&gt;burn a CD and scan at the same time. Also, note that the original
</EM><BR>
<EM>&gt;&gt;poster wanted to connect the scanner with a 6 foot cable. This would
</EM><BR>
<EM>&gt;&gt;be already pushing it to the limits of the UW specification,
</EM><BR>
<EM>&gt;&gt;effectively limiting him of the number of other devices that may be
</EM><BR>
<EM>&gt;&gt;connected to the card.
</EM><BR>
<EM>&gt;&gt;
</EM><BR>
<EM>&gt;&gt;That's why I think that, rather than spending $50 for a cable, it's
</EM><BR>
<EM>&gt;&gt;better to get a separate SCSI-[12] controller instead. ;^)
</EM><BR>
<EM>&gt;&gt;--
</EM><BR>
<EM>&gt;&gt;Arcady Genkin <A HREF="http://www.thpoon.com">http://www.thpoon.com</A>
</EM><BR>
<EM>&gt;&gt;Nostalgia isn't what it used to be.
</EM><BR>
<EM>&gt;&gt;
</EM><BR>
<EM>&gt;&gt;--
</EM><BR>
<EM>&gt;&gt;Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
</EM><BR>
<EM>&gt;&gt;To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20SCSI%20Cable&In-Reply-To=&lt;200002141523.KAA30797@benz.tpk.net&gt;">majordomo@mostang.com</A>
</EM><BR>
<EM>&gt;&gt;
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt;--
</EM><BR>
<EM>&gt;Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
</EM><BR>
<EM>&gt;To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20SCSI%20Cable&In-Reply-To=&lt;200002141523.KAA30797@benz.tpk.net&gt;">majordomo@mostang.com</A>
</EM><BR>
<EM>&gt;
</EM><BR>
<P><P><P><PRE>
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