I have posted a package of information and ROM images from my project to clone the 98228A ROM on the VintHPcom group at groups.io. Progress on laying out a PCB is going slowly as I have little experience and the learning curve for using Kicad to lay out a board seems pretty steep. Paul. Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the VintHPcom at groups.io group. *File:* 98228A.zip *Uploaded By:* Paul Berger *Description:* Package with information and ROM images from my project to clone the rare 98228A ROM that supports both 9885 and 9895 8" diskette drives. You can access this file at the URL: https://groups.io/g/VintHPcom/files/HP9825/98228A.zip Cheers, The Groups.io Team _._,_._,_ ------------------------------------------------------------------------