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Date:      Sun, 7 May 95 17:20:07 MDT
From:      terry@cs.weber.edu (Terry Lambert)
To:        julian@ref.tfs.com (Julian Elischer)
Cc:        bde@zeta.org.au, mtaylor@gateway.cybernet.com, hackers@FreeBSD.org
Subject:   Re: lance Ethernet and > 16 Mb RAM failure
Message-ID:  <9505072320.AA29752@cs.weber.edu>
In-Reply-To: <199505072008.NAA10606@ref.tfs.com> from "Julian Elischer" at May 7, 95 01:08:13 pm

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> so, mtaylor:
> it looks like you have something you can do for us.. :)
> 
> get the DMA controlling code from the floppy driver
> and merge it in with the lnc driver, (or similar) 
> I don't have that board and couldn't test it....
> other possible options might be to pre-allocate it's own buffer space
> during boot if it has > 16MB and use that instead..
> or look at the bounce buffer support in the aha driver
> and copy that?

Which one should be used depends on whether it is motherboard DMA
or bus master DMA.  The motherboard controller is typically "different".


					Terry Lambert
					terry@cs.weber.edu
---
Any opinions in this posting are my own and not those of my present
or previous employers.



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