Re: Plug'n'Play? I think not!

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#548

From: Richard Slobod
Date: Wed, 30 Jun 1999 00:00

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haeb@haeb.noc.easynet.net (Harry Broomhall) wrote:
>In article <rO9ACAAphHe3EwAI@dunvegan1.demon.co.uk>,
>	Paul Richards <Paul@dunvegan1.demon.co.uk> writes:

>> and 1 LPT port (takes an IRQ?).
>
>  Depends. If in standard mode then it doesn't need one.  In ECP mode
>it will try and grab one.

While it's not usually used, even an old unidirectional (non-EPP,
non-ECP) parallel port gets assigned an IRQ (although Win9x seems
quite willing to ignore this and let you set it up in the Device
Manager without the IRQ assignment).

>>  How many IRQ's do PC's have?
>
>   In theory - 16. Some are predefined by the PC, so rather fewer than
>that are available for plug-in cards.

Actually, it's only 15 even before you start taking the preassigned
ones into account because IRQs 2 and 9 are one and the same.

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<ECsb3.35235$%65.81553@tor-nn1.netcom.ca> <376E5CED.43B3425@nospam.visi.com> <kltb3.35240$%65.81344@tor-nn1.netcom.ca> <bASi2GAVT9b3EwPb@ghastly.demon.co.uk> <ep+JdDAmc+b3EwcT@dbqa.demon.co.uk> <C0ePEFAFVUc3EwnO@ghastly.demon.co.uk> <IMWcUZAYM7c3Ew1U@dbqa.demon.co.uk> <rO9ACAAphHe3EwAI@dunvegan1.demon.co.uk> <7la6vq$2qse$1@quince.news.easynet.net>

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From: 71231.104@compuserve.com (Richard Slobod)
Subject: Re: Plug'n'Play? I think not!
Date: 1999/06/30
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References: <ECsb3.35235$%65.81553@tor-nn1.netcom.ca> <376E5CED.43B3425@nospam.visi.com> <kltb3.35240$%65.81344@tor-nn1.netcom.ca> <bASi2GAVT9b3EwPb@ghastly.demon.co.uk> <ep+JdDAmc+b3EwcT@dbqa.demon.co.uk> <C0ePEFAFVUc3EwnO@ghastly.demon.co.uk> <IMWcUZAYM7c3Ew1U@dbqa.demon.co.uk> <rO9ACAAphHe3EwAI@dunvegan1.demon.co.uk> <7la6vq$2qse$1@quince.news.easynet.net>
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