Hi vraagteken,
I never managed to install it with less then 512mb ram. Not Win 8 not even 7 (we're talking over the original version right?) It's not the recommended settings to begin with. There will be not enough ram for all the background services (not to mention the apps => pinball fx uses 500mb ram alone so even clicking it accidentaly will stop working or mess it up).
Even if you succeed the install, it will... work like crap, but everyone is free to try.
I'm curious if something like this is even possible. You normally get an error message after booting the DVD (always saw it on pentium 1 en 3 ancient pc's).
I' m not gonna try something like this sorry. I already did (oops) in a virtual machine (Virtualbox, VMware Player): I used standard settings, installed it with 1, 2 gb ram (with512 works as we know it). But after install I set the ram to 256mb and... bluescren, error, not sure what it was but IT DID'T RUN.
I used the official versions of windows, not some self customized, lite versions.
Succes
Hopachi