On Mon, 4 Apr 2005, Tracy Nelson wrote:

> Thierry Lacoste wrote:
>
>> I'd like to study the low level details of modern OS features
>> (Virtual memory, context switching, device drivers, etc...).
>> Of course I plan to use NetBSD ;)
>> 
>> I'm looking for the simplest architecture.
>> I'm aware of the inherent complexity of these topics but
>> I want to avoid "unnecessary" complexities (like those of i386
>> which is so encumbered with legacy issues).
>> 
>> 
> You might want to look for a 68K Mac.  They're pretty cheap, pretty capable 
> (I had an SE/30 that ran DNS, qmail and my firewall for years) and the 68K 
> instruction set is pretty clean.  You'll want a 68030 or better (anything 
> earlier than that didn't have an MMU built in), one of the '040-based Quadras 
> (900 or 700) would be a good pick.

 	A variation might be a sun3/80 (m68k), nice firmware, serial
 	console...
-- 
 		David/absolute       -- www.NetBSD.org: No hype required --