Lucked out

Years ago I put a removable HD kit in the AMD-450 that's in my work
area.
I loaded as many old operating systems on different drives as I could
get my hands on...such as win3x, NT3x , OS/2 up to Win98.

It took bit of work to find a video card that had good drivers support
in all operating systems. I ended up with an S3 Trio.

Have not used the machine in a year.
Today while booting up I got a BIOS message about a video memory
error..
When I pressed F1 to continue, the OS wouldn't load.

I started going through my spare boards and at least found another
S3...a Virge.

Though I figured it would probably work, I decided to first investigate
the defective one and noticed it had two, socketed RAM chips ...so I
popped one put and got the bad one out my first try.

Machine is working fine...and I don't need any extra video memory
anyway. 

To celebrate,  I played a game of Tetris !