Yeah, I think it was the RAM.
I also replaced my 8088 with a V20.
My box was a regular speed demon after that ;)
Wow. I hadn’t thought about NEC’s chips for a LONG time. I only had a 10 Mhz 8088 in 1990, but I was still able to run Windows 2.1 286 on it. Aldus Pagemaker was pokey.