Re: A500 [was : AmigaOne X5000]

[Michael <macallan%netbsd.org@localhost>]

Hello,

On Tue, 21 Mar 2017 11:14:23 +0100
goon <goon%yellowcouch.org@localhost> wrote:

> > > > Maybe you meant ACube's AmigaOne 500? :)    
> > > 
> > > No, it's for the A500 from 87 :-) There's just support ending in obsd 3.2
> > > for the A1200 and up.  
> > 
> > Without an MMU? IIRC we already support A500 with a suitable CPU upgrade.
> >   
> 
> I read some history sites about the A500, I have on with 1Mb RAM. The thing is 
> I downloaded srcsys and am looking at the code but it is somewhat unclear to me
> where the differences lie in between the A500 and up until A2000 as these are
> newer supported machines.

Err, the original A500 had 512KB, the A500plus had 1MB. Both have 68000
CPUs, with no MMU whatsoever.

In order to run anything UNIX-ish ( except maybe ELKS ) you need at
least a 68020, an MMU and a lot more RAM.

have fun
Michael