Re: Busmaster DMA broken in 2.4.18 on Alpha

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 11 Mar 2002 15:45:42 +0000 (GMT)

> There are ISA cards, regardless of what ISA bus machine they are
> plugged into, that are able to generate only something less than
> 32-bits worth of address. I believe that the Adaptec 1540 SCSI

All busmasters in fact. There are only 24 address wires on the ISA bus. That
covers stuff from tpqic02 through pcnet/isa, lance and aha154x.

Alan
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