yes i paid $1000 for an ibm memory board that had 2K of memory chips. It would not fit in the pc i owned so i bought a memory card that you could insert the chips into. The IBM board was soldered so i tried to unsolder using a wood burning tool. after that didn’t work i used the old reliable propane plumbing torch. Popped them out and put them in the 2K board. Installed oracle and ran with the 2k in extended memory. that was around 1989. ran for several years 24/7 crunched numbers each night from my buddies pc and prepared fax reports for stock selection (Goerlich/van Brunt Newsletter)