*BSD News Article 12580


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Newsgroups: comp.os.386bsd.questions
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From: volker@sfb256.iam.uni-bonn.de ( Volker A. Brandt )
Subject: Re: WFJ's talk last night...
Message-ID: <1993Mar9.153812.15815@olymp.informatik.uni-bonn.de>
Sender: usenet@olymp.informatik.uni-bonn.de
Organization: Applied Math, University of Bonn, Germany
References: <1m1a0oINN8ds@jethro.Corp.Sun.COM> <1993Feb25.172414.6852@olymp.informatik.uni-bonn.de> <CGD.93Feb25152238@eden.CS.Berkeley.EDU>
Date: Tue, 9 Mar 1993 15:38:12 GMT
Lines: 29

In article <CGD.93Feb25152238@eden.CS.Berkeley.EDU> cgd@eden.CS.Berkeley.EDU (Chris G. Demetriou) writes:
>In article <1993Feb25.172414.6852@olymp.informatik.uni-bonn.de> volker@sfb256.iam.uni-bonn.de ( Volker A. Brandt ) writes:
>>>        - can use up to 1GB of RAM
>>
>>Even with my Adaptec 1542B busmaster DMA?  This is my biggest gripe, having
>>16 of my 32 MB lying on a shelf gathering dust.

>if you want it, why don't you write it?

Hmmm ... you are certainly right, and I guess that I will do it, given a few
more years :-(

>the fact that you can't address > 16M from your ISA card is a hardware
>limitation that can only be gotten around via the use of bounce
>buffers, or something similar.

True.  How hard would it be to set up something like this without breaking
lots of other kernel/fs/driver/whatever stuff?

>add it to the driver, and it'll probably go in.

I can only hope that someone more knowledgeable than I beats me to it :-)

-- Volker
-- 
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Bitnet:   UNM409@DBNRHRZ1                              Volker A. Brandt
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