We restore a vintage HP 9895A dual 8" diskette HP-IB drive, and put it to good use by playing the Colossal Cave Adventure on the HP 9825 calculator. 8" Floppy Playlist:    • 8" Floppy Diskette Drives   HP 9825 Playlist:    • HP 9825 Repair   Stuff that supports the channel: - Amazon links for the tools I use in the lab: https://www.curiousmarc.com/amazon-links - Channel merch on Fourthwall: null - Legacy channel merch on Teespring (I don't have everything transferred to Fourthwall yet): https://teespring.com/stores/curiousmarcs-store - Support us on Patreon: https://www.patreon.com/curiousmarc "Elevator Music" Credit: Crinoline Dreams by Kevin MacLeod Our lovely sponsors - PCBWay: fast turn PCBs, https://www.pcbway.com/ - Electro-Rent: https://www.electrorent.com/ - Keysight: test instruments: https://www.keysight.com/ - Samtec: connectors: https://www.samtec.com/ - R&D Microwaves: https://rdmicrowaves.com/ Get more technical info on the companion site: https://www.curiousmarc.com/ Contact info: null