*BSD News Article 26431


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From: ivie@cc.usu.edu
Newsgroups: comp.os.386bsd.development,comp.unix.bsd
Subject: Re: Late comments on the DMA problem.
Message-ID: <1994Jan24.103912.8591@cc.usu.edu>
Date: 24 Jan 94 10:39:12 MDT
References: <jmonroyCJy610.HB7@netcom.com> <1994Jan21.095505.8375@cc.usu.edu> <jmonroyCK2t6n.1pM@netcom.com>
Organization: Utah State University
Lines: 15

In article <jmonroyCK2t6n.1pM@netcom.com>, jmonroy@netcom.com (Jesus Monroy Jr) writes:
> ivie@cc.usu.edu wrote:
> : Since you can't get an interrupt to tell you that the DMA controller has
> : finished doing a page, you can't reload the DMA addresses when the end of
> : a page is reached.
> :
> 	please define page.
> 	your message is ambiguous.

Page = virtual memory page. I'm most familiar with the VAX, where a page
is 512 bytes; I don't know how big it is on these newfangled 386 thingies.
-- 
----------------+------------------------------------------------------
Roger Ivie      | Don't think of it as a 'new' computer, think of it as
ivie@cc.usu.edu |     'obsolete-ready'