Date: Wed, 06 Dec 1995 14:35:01 -0800 From: "Jordan K. Hubbard" <jkh@time.cdrom.com> To: "Christoph P. Kukulies" <kuku@gilberto.physik.rwth-aachen.de> Cc: freebsd-hackers@freefall.freebsd.org Subject: Re: dma beyond isa with a AH1542? Message-ID: <20827.818289301@time.cdrom.com> In-Reply-To: Your message of "Wed, 06 Dec 1995 15:09:32 %2B0100." <199512061409.PAA22744@gilberto.physik.rwth-aachen.de>
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Uh, Christoph, you should read the handbook sections about this. *ANY* ISA card is DMA address space limited! :-) Jordan > > I built a new kernel for my non-IDE system running from a > AH1542A. Is this board limited to 16MB? I have 20MB Ram, > disabled option BOUNCE_BUFFERS since I thought this was not > necessary when running a busmaster DMA controller > but got a panic after the dma beyond ISA message during boot. > > > --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
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