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Date: Tue, 18 Jan 2005 18:17:07 +0300
From: "Andrew L. Neporada" <andr@dgap.mipt.ru>
To: Emanuel Strobl <emanuel.strobl@gmx.net>
Message-ID: <20050118151707.GA26651@nas.dgap.mipt.ru>
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Subject: Re: strange ucom (uplcom) error
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On Tue, Jan 18, 2005 at 01:06:43PM +0100, Emanuel Strobl wrote:
> Dear experts,
> 
> I have two USB-RS232 Adaptors, both with PL2303 chipset. One is working the 
> other one not (I hate to say it but both are working under win).
> 
> The not working (more expensive) one gets recognized as ucom0 and I have 
> ucom0, also I can receive signal but not transmit.
> 
[skip]

Take a look at http://gate.intercaf.ru/~lesha/6100/ and try patch
http://gate.intercaf.ru/~lesha/6100/pl2303x.patch

It can break old (working) PL2303 chip, but it works for me with newer 
revision  chip (tested under 4.10).  

> 
> -Harry

			Andrew.