I used a USB keyboard for installing Win 2K into Toshiba Satellite P35 
S611. WOW! It worked! And once installation was completed, the buit-in 
keyboard works without glitches.
Many thanks to folks for offering help.

John Keiser wrote:
> How about trying an external keyboard during installation?  You can possibly 
> load Toshiba keyboad drvers after Win2K is installed.
>