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On Sun, 9 Feb 2003, Christopher Sawtell wrote:

> On Sun, 09 Feb 2003 08:42, Adrian Robertson wrote:
> > This can't be so since i have done this myself before.
> > I remember installing redhat7.0 for my old 486 by putting the 540mb hd
> > into a k62-450 and then swapping the hd back.
> > The 486 didn't have a CD-Rom drive.
> > This worked for me at the time.
> 
> You were lucky. Consider the possibilities of different video cards, sound 
> cards, and modems or network interface cards. To say nothing of different 
> processor. Set up linux on a new PIII because it's quick and then put the 
> card into an old '486 and see how far you get.

Quite far.

The only thing which really matters is getting the kernel up. The one
aspect of the kernel which will cause problems if it's compiled with later
processor extensions, otherwise, if it's compiled for plain old 386 (and
most distribution kernels appear to be), then it'll boot on anything x86
which is capable of running Linux.

The issues of sound cards, modems, NIC etc are all trivially solvable
after the kernel has booted. Most distribution kernels compile everything
including the kitchen sink as a module, so all you need to do is modprobe
a few things, and edit /etc/modules (or your dists equivilent) to load 'em
on startup.

X used to be much tricker, but it's pretty much the same deal now. Some
minor XF86Config changes and you're away laughing.

No, it won't go perfectly on boot. Is is possible to easily move between
sets of hardware? Yes. I've done it dozens of times. 

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