It's an interesting purchase. It seems people are still trying to sell some of these.

I'd throw a couple on ebay for 50.00.

HP A3641 80022 Processor Board | eBay



PacificGeek.com - HP PROC A3641-80022

Computer Store > HP A364180022 - HP Proc 200MHz Pa-risc 8200 4MB Mfr P/N A364180022