Best documented platforms [was Re: [rescue] Perverse Question]

[Scott Newell]

At 11:34 AM 6/9/2003 , you wrote:
>>If you ever wanted to play with a RISC machine at a really low level,
>>the sun4c and sun4m (the LX is sun4m) are probably the best-documented
>>platforms on the planet, and SPARC assembly language is -really- easy.
>
>Links & pointers, please!
>
>I'm aware that DEC put out quite a bit of good stuff on the TurboChannel
>MIPS based machines (http://decstation.unix-ag.org/docs/dec_docs/) , but
>I've never been able to find much other than the CPU docs for the sun4c
>stuff.  Sun pulled the SBUS spec (800-5822-10) from their site and don't
>intend to put it back, from what they remember them telling me.  (If anyone
>can tell me where the sun4c gets it's 100Hz ticker, let me know...)
>
>What else out there is really well documented...PPC based chrp and prep,
>perhaps?

Replying to my own message...I've just noticed that some of the HP PA
documentation appears to be available at http://www.openpa.net/index.html.
Looks like ASIC register level programming info, memory maps, bus
descriptions, and all kinds of other good stuff.


newell