On Wed, 14 Aug 1996, Aaron Brown wrote:

> Hmm...I don't know much about the Sun3* machines, but the sun4m bpp
> is based on the same DMA chip used by the espdma SCSI and ledma ethernet;
> I didn't think the sun3's had these. Or is the sun3x something completely
> different?

In an almost retrograde action, Sun produced the 3x line just after they 
came out with the 4.  The 3x includes the 3/80 and 3/4xx machines.  The 
3/80 has the same case as the Sparc 1, 1+, and 2.  It also happens to use 
the esp chip.  It's really a weird cpu.

-J