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List:       ms-smartcardddk
Subject:    Re: Number of readers?
From:       "Klaus Schutz (Exchange)" <kschutz () EXCHANGE ! MICROSOFT ! COM>
Date:       1998-11-02 17:12:12
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Bruce,

this is a good thought and we were already thinking about that, too.
It's likely that we will implement that for the next version.

Klaus U. Schutz
Microsoft

-----Original Message-----
From: Bruce Hatton [mailto:bruceh@WARRIORTECH.DEMON.CO.UK]
Sent: Sunday, November 01, 1998 3:37 PM
To: SmartCardDDK@DISCUSS.MICROSOFT.COM
Subject: Re: Number of readers?


Hi again,

Just a thought....

If this was configurable in the registry, then a default of 10 could be set
on installation, but for those
of us who need stacks of readers, we could set the value to whatever (within
reason) we needed.

For our application, it is likely that the server hosting these cards
(around 128 of them) will be
dedicated to the task, with a DCOM interface from the clients needing the
card services.

Thanks,

Bruce Hatton

-----Original Message-----
From: Klaus Schutz (Exchange) <kschutz@EXCHANGE.MICROSOFT.COM>
To: SmartCardDDK@DISCUSS.MICROSOFT.COM <SmartCardDDK@DISCUSS.MICROSOFT.COM>
Date: 30 October 1998 17:31
Subject: Re: Number of readers?


>Bruce,
>
>this is an artificial limit, since the smart card resource manager needs to
>scan
>for readers which simply can take a while and we did not want to increase
>boot
>time drastically.
>
>The next version of the resource manager will support Plug and Play (for
>Windows 9x
>and Windows NT5/2000, not for NT4). With this version there will be no
limit
>anymore.
>
>If you need support of more than 10 non PnP readers, please let me know.
>
>Klaus U. Schutz
>Microsoft
>
>-----Original Message-----
>From: Bruce Hatton [mailto:bruceh@WARRIORTECH.DEMON.CO.UK]
>Sent: Friday, October 30, 1998 1:51 AM
>To: SmartCardDDK@DISCUSS.MICROSOFT.COM
>Subject: Number of readers?
>
>
>Hi,
>
>I've just started writing a PC/SC driver for NT 4.0. I see there is a limit
>of 10 readers (MAXIMUM_SMARTCARD_READERS).
>
>Looking back through the archives, I see that there has been some
discussion
>of this in the past. (1 July 1998)
>
>My questions is, when will an updated DDK be available which resolves this
>problem, and what will the new limit be.
>
>The driver needs to support somewhere around 128 readers.
>
>The problem of irq sharing is not an issue here - we talk to 32 readers
down
>one serial port, and if we need multiple
>serial ports we use Digiboards, which give us as many lines as we need.
>
>Thanks,
>
>Bruce Hatton

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