DMA over the Sbus

[Bruce Davie]

One of the interesting features of the Sparcstation is a new bus called
the Sbus. It is supposedly intended to allow users to develop their own
boards to interface to the CPU. Has anyone out there tried to do this? In
particular, have they tried to build a DMA interface to the bus? I'd be
interested to hear of anyone's experiences (e.g.  difficulty of getting
things to work, speeds achieved, etc.)

Thanks in advance,

 Bruce Davie
Bell Communications Research
Morristown, NJ
bsd at bellcore.com