low-end vaxen and unix
Michael Sokolov
mxs46 at k2.scl.cwru.edu
Sat Jan 30 08:52:00 AEST 1999
Ken Wellsch <kcwellsc at math.uwaterloo.ca> wrote:
> On a KA410 (VAXstation 2000 etc.) the MFM controller and the NCR 5380
> both do DMA to a shared 16Kb private memory buffer. You then have to
> pull your data out into the regular VAXen memory. I believe the Lance
> chip (ethernet) is the only DMA to main memory capable device.
Correct.
Michael Sokolov
TUHS 4BSD Coordinator
4.3BSD-* Maintainer
Quasijarus Project Principal Architect & Developer
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