Date: Sun, 28 Sep 1997 22:56:48 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: tony@dell.com (Tony Overfield) Cc: tlambert@primenet.com, hackers@FreeBSD.ORG Subject: Re: INB question Message-ID: <199709282256.PAA18439@usr07.primenet.com> In-Reply-To: <3.0.2.32.19970927055543.006bd29c@bugs.us.dell.com> from "Tony Overfield" at Sep 27, 97 05:55:43 am
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> Port 0x18, on many systems, is an alias of port 0x08, which is > the read-only DMA status register and the write-only DMA command > register. Likewise, port 0x1A is often an alias of the write-only > port 0x0A DMA mask register. Peachy. I suppose this was done "for no good reason", as usual in PC hardware design. 8-(. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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