Thanks to Bill for his advice and link to the tech tips.
Since I have experienced problems in the past with MB upgrade, I am using a
separate case for this upgrade. To minimize hardware swaps in the existing
case, I will follow the procedures in the link for the new HD in the new
case by booting with the Windows 98 startup disk and eliminating/renaming
directories. I should be able to access the Registry keys by exporting the
Registry to a text file. It should be fun and if it doesn't work out, I
still have my old configuration.

>>I am upgrading from a 200MMX configuration to a Celeron 300A. I also
>>want to use this opportunity to upgrade my HD. My first question is
>>how to reliably copy my master HD to the new HD...
>>My second question is what to expect when the new system boots from
>>the cloned HD. At best, I predict removing the Registry files and
>>rebuilding through a reinstall of Wndows 98.
>
>As for switching motherboards, I have preserved my Windows installation
>through two motherboard swaps by booting into Safe Mode and deleting all
>devices from Device Manager|System. You have to do this before powering
>down for the last time with the old motherboard. When you first boot with
>the new motherboard, everything will be detected anew. And after you sort
>out any conflicts, all your settings and programs should be preserved.
>
>There is also a method mentioned at
>http://www.billsworkshop.com/techtips/cleaninstall.html
>for reinstalling windows which will preserve your currently installed
>programs.

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