On Sun, 19 Jan 1997 19:41:04 -0800 (PST) 
 Jeremy Cooper <jeremy@broder.com> wrote:

 > The I/O cache is a DMA cache.  That is, it is a cache for data received by
 > DVMA devices.  It makes for very fast DMA transfers.

The Sun 4/400 has an I/O cache, as well.  NetBSD/sparc doesn't yet support
it, but it's one of the last things we need in order to run on the 4/400.

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                               Home: 408.866.1912
NAS: M/S 258-6                                          Work: 415.604.0935
Moffett Field, CA 94035                                Pager: 415.428.6939