Good day all. Anyone know where I can find development specs for the
Sparc Station 20? I would like information on the

internal architecture of the system
system bus
SBUS
MBUS
memory map (very important)
development manuals for the various peripheral devices (audio,scsi,etc)
list of Open Boot Rom routines and method to access them

Any and all information will be appreciated. Most of what I have gathered
from Sun's website and the net are rather limited. I have the sparc
architecture manual, but, I am considering writing Sun to request access
to the information that I am not able to find, if thats possible.

Information for the Ultra 5/10 series (for example) is readily available on
on their site, but nothing for the earlier systems