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From: Ted Dennison<dennison@telepath.com>
References: <nW1p7.17633$mj6.2402202@news6-win.server.ntlworld.com>
 <qpfp7.15438$L%5.12873076@news1.rdc1.sfba.home.com>
Subject: Re: Access types and classwide programming
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In article <qpfp7.15438$L%5.12873076@news1.rdc1.sfba.home.com>, tmoran@acm.org
says...
>
>>   For x'address use blah;
>> ...
>> (PC with Win9x)
>  You're barking up the wrong tree if you start worrying about address
>clauses for an OS on x86 machines - they use IO instructions, not memory
>mapped IO.

Now I'm just getting into this, so correct me if I'm wrong, but isn't I/O to the
PCI bus done almost entirely with memory mapped addresses and interrupts?

---
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