On Tue, Oct 19, 1999 at 02:00:58AM -0500, linux-embedded-digest wrote:
> Date: Mon, 18 Oct 1999 15:44:50 +0100
> From: [EMAIL PROTECTED]
> Subject: Linux on 2 megs
> 
> I was wondering if linux is able to run on the following hw:
> 896 kb flashdisk
> 2048 ram
> 386EX
> 2 serial port
> embedded bios
> CS8900A ethernet RJ45
> 
> console wil be attatched to com2
> I don't need ANY fansy things only rs-422 and TCP/IP ethernet support.
> The application will be small.
> I would be glad if there could be :
> ftp
> telnet
> and finger
> 
> I hope that i can mount the flash disk as readonly (you know 100.000 times
> write/lifetime)

I would like to do something similar.  When I tried with a 1.2 series kernel,
the kernel loaded and ran but there wasn't enough memory left to load a
shell.  I think it's possible with a 1.0 series kernel.  You have ethernet
so you should probably have most or all of the filesystem mounted via
NFS and just put the kernel and maybe a minimal root partition on the 
FLASH.  The parts that the kernel likes to write to could be on the NFS
maybe, thus the FLASH could be mounted read-only (but I'm not
sure if you can mount an NFS fs read-write on top of a read-only root
partition; if not then I guess you need to use NFS as the root filesystem,
which I know is possible).  Unfortunately my machines don't have ethernet 
so I need to use a parallel-port ethernet adapter for which the driver 
wasn't written until kernel 1.2 (or something else like PPP).  I've mostly 
given up and plan to try to get DOS VNC working on them so at least I can 
access a graphical X desktop.  The whole point for me is that they
are touchscreens; I guess you are doing a purely embedded application
though right?

Look at tomsrtbt (single-floppy Linux) for some amazingly small versions
of the usual utilities.  Many of them are symlinks to multi-purpose
executables which internally do the different functions depending on 
which symlink it was called from.

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