From: utzoo!decvax!ucbvax!C70:info-cpm Newsgroups: fa.info-cpm Title: Article-I.D.: ucb.1596 Posted: Sun Jul 25 10:15:53 1982 Received: Wed Jul 28 03:30:49 1982 >From JDOS@Mit-Ai Sun Jul 25 10:15:19 1982 JDOS@MIT-AI 07/25/82 12:30:01 To: INFO-CPM at MIT-AI, INFO-TRS80 at MIT-AI Does anybody out there know about the Omikron Mapper I board for the TRS-80 to let it run normal CP/M. I dont want to buy the board, only to know how it is slected so I can design my own changes that would be compatable with their CP/M. Also, is there any standard for 5" CP/M disks. My machine uses both 1771 and 1791 Western Digital FDC chips. If I must write my own BIOS from scratch I would want to be able to read everyone elses disks. John McNamee JDOS@MIT-AI