*BSD News Article 29003


Return to BSD News archive

Path: sserve!newshost.anu.edu.au!munnari.oz.au!spool.mu.edu!howland.reston.ans.net!vixen.cso.uiuc.edu!newsrelay.iastate.edu!news.iastate.edu!ponderous.cc.iastate.edu!michaelv
From: michaelv@iastate.edu (Michael L. VanLoon)
Newsgroups: comp.os.386bsd.development
Subject: Re: DMA bounce-buffers now implemented in FreeBSD-current
Date: 4 Apr 94 19:38:58 GMT
Organization: Iowa State University, Ames, Iowa
Lines: 24
Message-ID: <michaelv.765488338@ponderous.cc.iastate.edu>
References: <JKH.94Mar25161128@sentnl.ilo.dec.com> <JKH.94Mar27000401@whisker.hubbard.ie> <JKH.94Apr4023920@whisker.hubbard.ie> <2npmcp$ste@news.service.uci.edu>
NNTP-Posting-Host: ponderous.cc.iastate.edu

In <2npmcp$ste@news.service.uci.edu> bob@nemesis.ps.uci.edu (bob prohaska ) writes:

>Can a BT 445s revision C controller be updated?

BusLogic's phone number is 408-492-9090.  Let us know how you make
out...

>Jordan K. Hubbard (jkh@whisker.hubbard.ie) wrote:

>: In article <Cnor2s.15w@aeon.in-berlin.de> thomas@aeon.in-berlin.de (Thomas Wolfram) writes:

>:    Could someone please explain what "broken DMA" of Bt445S means exactly?
>:    Does it mean it acts like a ISA busmaster DMA controller (16MB address
>:    space only) or what?

>: Right!  That's exactly it.  Revision D or E versions of this controller don't 
>: have the problem.

-- 
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Michael L. VanLoon                 Iowa State University Computation Center
    michaelv@iastate.edu                    Project Vincent Systems Staff
  Free your mind and your machine -- NetBSD free Un*x for PC/Mac/Amiga/etc.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -