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List:       ms-smartcardddk
Subject:    Re: Number of readers?
From:       Bruce Hatton <bruceh () WARRIORTECH ! DEMON ! CO ! UK>
Date:       1998-10-30 19:27:44
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Thanks for the quick response.

We will definitely need more than 10 readers, I'll find out exactly how many
and get back to you.

However minimum will be 32.

I expect we'll need the support this by the end of the year.

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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