>Has anyone seen OS-BS terminate almost immediately with a divide
>overflow?  I reinstalled Windows, and of course, it wipes out the old
>boot block, but now I can't get OS-BS to run to reinstall the other
>one...

To solve this problem you must replace MBR to original MS DOS, and then
install OS BS again. I don't rember how I do this, maybe thomesing
like 'FDISK /M'.

Anatoly