Subject: Re: Linux on PS1, how'd they do that?!?!
To: None <port-dreamcast@netbsd.org>
From: None <David@ixibbs.iximd.com>
List: port-dreamcast
Date: 06/02/2001 14:48:40
Well does anyone know how much memory it has in it and how much memory
Linux/NetBSD NEEDS?
David
IN>On Fri, Jun 01, 2001 at 05:09:25PM -0500, Rob Healey wrote:
IN>>
IN>> Anyone know what chip the PS1 uses? I didn't think it would have
IN>> the MMU, let alone the memory and I/O capability, to run anything
IN>> *ix in nature. Is there a secret full function serial port on the
IN>> PS1 like the Dreamcast has to uses as a console and/or I/O port?
IN>>
IN>
IN>As others have stated, the PSX uses a processor with a MIPS core running
IN>at 33 Mhz. I don't know if it has an MMU or not. If it doesn't, there is
IN>the ucLinux port which works without an MMU (but also without virtual memor
IN>and memory protection IIRC).
IN>
IN>There IS a serial port that goes to the outside of the PSX. It is used
IN>for linking two PSX's together for games like Wipeout XL which support
IN>head to head play with two PSX's and two monitors. The serial port is
IN>almost the same as the Dreamcast's serial port, in that it lacks the
IN>Maxim voltage converter to make it a "real" RS-232 serial port. So it
IN>requires a dongle adapter just like the Dreamcast serial port.
IN>
IN>
IN>Brendan Dowling
IN>
IN>
IN>
IN>
IN>