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List:       ms-smartcardddk
Subject:    Re: Is it necessary to develop different drivers for NT 4 and
From:       Jeff Chung <jeff_chung () BIGFOOT ! COM>
Date:       1999-07-09 3:01:33
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Alex and Klaus,

Thank you and I found it!

It's odd that the directory 'smartcrd' didn't show up in the folder view of
Explorer after installation, but I found it when I searched the whole NTDDK
directory.

As for the question of Alex's, yes, you need a VxD driver for Win98.
There're many differences between a VxD and an NT driver, but basically
they're running in a same model ( structure, workflow, whatever ). You don't
have to redesign one, only a lot of details need  to take care of. I've
developed both VxD and NT driver based on the DDK samples, the only problem
I'd encountered is that SCardSvr didn't find my driver. That's a problem of
the Base Component, and MS has a 'work around' on it.

Jeff

> -----Original Message-----
> From: SmartCardDDK [mailto:SmartCardDDK@DISCUSS.MICROSOFT.COM]On Behalf
> Of Alex Shevachman
> Sent: Thursday, July 08, 1999 5:59 PM
> To: SmartCardDDK@DISCUSS.MICROSOFT.COM
> Subject: Re: Is it necessary to develop different drivers for NT 4 and
> Win2000?
>
>
> Hello, Jeff.
> You have a sample of the Win2000 serial driver in Win2000 DDK  in
> ...\src\Smartcrd.
> I have a question about 98 and NT. We have a serial PC/SC driver
> for NT4 and
> Win200. As I know Win98 does not have a WDM stack for serial
> devices and we need
> to write a VxD driver for Win98 - completely different from NT4
> and Win2000. Is
> this true?
>
> Sincerely,
> Alex Shevachman
> Design Engineer Fortress U&T Ltd.
>
>
>
>
> Jeff Chung wrote:
>
> > Klaus,
> >
> > The complicated one, please. If it won't cost you too much. :-)
> >
> > My situation here is, we have a serial reader that we'd like to apply a
> > Windows Logo. I'm developping drivers for Win98 and NT4 based on the DDK
> > samples, but the WHQL also requires a Win2000 test. I wonder if I should
> > develop another driver for Win2000 to obtain the logo. If yes,
> is there a
> > sample just like the 98 and NT ones? I just download the 2000 DDK, and I
> > haven't found one yet. Therefore I'd like to ask for someone's help.
> >
> > After a whole day's browsing in the list, I believe you're the
> right person
> > to talk to. Sorry that   I don't have too much time to read
> before I talk,
> > since schedule is tight. It's highly appreciated that you can show me a
> > right path. Thank you.
> >
> > Jeff
> >
> > > -----Original Message-----
> > > From: SmartCardDDK
> [mailto:SmartCardDDK@DISCUSS.MICROSOFT.COM]On > Behalf
> > > Of Klaus
> Schutz
> > > Sent: Thursday, July 08, 1999 1:01 AM
> > > To: SmartCardDDK@DISCUSS.MICROSOFT.COM
> > > Subject: Re: Is it necessary to develop different drivers for NT 4 and
> > > Win 2000?
> > >
> > >
> > > Jeff,
> > >
> > > I can give you a simple answer or a complicated one. What's
> your question?
> > >
> > > Klaus U Schutz
> > > Microsoft
> > >
> > > -----Original Message-----
> > > From: Jeff Chung [mailto:jeff_chung@BIGFOOT.COM]
> > > Sent: Tuesday, July 06, 1999 8:42 PM
> > > To: SmartCardDDK@DISCUSS.MICROSOFT.COM
> > > Subject: Is it necessary to develop different drivers for NT 4 and
> > > Win2000?
> > >
> > >
> > > Dear All,
> > >
> > > Sorry I'm not familiar with Win2000. I simply guess that
> there's always a
> > > chance of backward compatibility. Could anyone give me a simple answer
> > > which might save me weeks of time?
> > >
> > > Of course I still like to know if the answer is positive, why and
> > > where can
> > > I get information of developing Win2000 driver?
> > >
> > > Thank all of you.
> > >
> > > Jeff
> > >
> > >
>

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