Subject: Re: "dumpbase"
To: Harold Gutch <logix@foobar.franken.de>
From: Andy R <quadreverb@yahoo.com>
List: port-dreamcast
Date: 02/26/2003 16:57:40
--- Harold Gutch <logix@foobar.franken.de> wrote:
> On Tue, Feb 25, 2003 at 06:24:03PM -0600, Andy
> Isaacson wrote:
> > What does your kernel say about memory when it
> starts up?  Look for
> > output like this:
> > 
> > (from my alpha)
> > | 8192 byte page size, 1 processor.
> > | total memory = 49152 KB
> > | (2368 KB reserved for PROM, 46784 KB used by
> NetBSD)
> > | avail memory = 36232 KB
> > | using 305 buffers containing 2440 KB of memory
> 
> 
> The Dreamcast is pretty welldefined when it comes to
> its system
> memory:
> 
> SEGA Dreamcast
> total memory = 16384 KB
> avail memory = 13648 KB
> using 230 buffers containing 920 KB of memory
> 
> I assume that it's possible to add more RAM if you
> feel secure
> with a soldering iron (and perhaps even that isn't
> required), but
> almost every single Dreamcast in the world will have
> the same
> amount of memory as mine.  Also, there's no way to
> add a harddisk
> without doing some soldering, so most people will
> either just
> have a small bootloader on CD, or perhaps the
> root-filesystem or
> such, but will do all swapping etc. onto a
> NFS-mounted
> filesystem.  Not the best thing to do
> performance-wise, but
> that's the only way to use NetBSD/Dreamcast unless
> you want to
> modify it somehow.

Is it possibly time to start talking about ways to
reduce network overhead on these things? Like possibly
running part of the filesystem on a CD and the rest on
NFS? Don't know that there would be much to gain from
that, but it's an idea anyway...

Andy

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