Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site brl-tgr.ARPA Path: utzoo!watmath!clyde!bonnie!akgua!mcnc!philabs!cmcl2!seismo!brl-tgr!tgr!Steve NolandFrom: Steve Noland Newsgroups: net.micro.cpm Subject: Z150 RDCPM.COM PROGRAM Message-ID: <6234@brl-tgr.ARPA> Date: Fri, 30-Nov-84 13:17:33 EST Article-I.D.: brl-tgr.6234 Posted: Fri Nov 30 13:17:33 1984 Date-Received: Tue, 4-Dec-84 06:04:57 EST Sender: news@brl-tgr.ARPA Organization: Ballistic Research Lab Lines: 26 Ref: Request from Chuck McManis(cem@intelca.uucp) The Zenith RDCPM.COM program that is distributed with the Z100 MSDOS (which I assume is the same as the one that you have) will read several disk formats, all of which are created by various versions of Heath/Zenith CP/M. It will work for files created on the Z100 series as well as for the H89. In answer to your specific question, the following is the Parameter Block for a standard Zenith CP/M-86 5-1/4" floppy. SPT: BSH: BLM: EXM: DSM: DRM: AL0: AL1: CKS: OFF: 0020 04 0F 01 009B 00FF F0 00 0040 0002 Allocation Block Size -- 2K Formatted Disk size is 312Kbytes # Directory Entries 256 whick requires 8 Kbytes Leaving useful capacity 304 Kbytes. Other formats are available. If you desire them, message me and I will get the info. Steve Noland -------