From owner-freebsd-usb@FreeBSD.ORG  Thu Feb  9 18:38:24 2006
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Date: Thu, 09 Feb 2006 19:38:25 +0100
From: Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no>
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Subject: Re: rev # changes
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On Thu, 09 Feb 2006 07:46:51 -0800 (PST)
John Despujols <jcd_l@yahoo.com> wrote:

> What does the rev # mean? and why does it change on
> the vendor\product line?  

FWIW, my usb scanner does that (change revision and / or version) when
it loads firmware.
First time it is connected it has, say revision 1.0
On first use, it autmatically (through sane-backends) loads a firmware
file. After that, it reports, say revision 2.10 
(I don't remember the exact numbers).

HTH
-- 
Torfinn Ingolfsen,
Norway