Seems to me that the real win would be to use floppy based 
root file system. You'll get your MINIROOTSIZE back as memory.
That will be slow though.
> 
> 
> On Tue, Oct 03, 2000 at 04:58:45PM +0100, Gavan Fantom wrote:
> > > > Should it still be possible, or should I consider installing NetBSD
> 1.2?
> > > 
> > > Should be possible. fvdl has successfully installed 1.5_ALPHA2 on a 4M
> machine.
> > 
> > OK. Presumably 1.5_ALPHA2 is a tad bigger than 1.4.2?
> 
> Please note that these changes have not been made available in the 1.5
> branch yet, as I am still waiting for a pullup approval.
> 
> So, if you grab an 1.5_ALPHA2 snapshot, it won't work. I can send
> you a floppy image that works, if you want. I have tested a configuration
> with 640k base and 3200k extended memory (which about corresponds to
> a 4M machine with some shadow ram enabled). 640k and 3072k won't work,
> I'd have to cut into sysinst further to enable that.
> 
> - Frank
> 
>