Xref: utzoo comp.arch:16066 alt.folklore.computers:3446 Path: utzoo!attcan!uunet!image.soe.clarkson.edu!wargopl From: wargopl@image.soe.clarkson.edu (Peter L. Wargo) Newsgroups: comp.arch,alt.folklore.computers Subject: Re: Why IBM went for the 8088 -- The Untold Story (Seattle Comp.) Message-ID: <1990May25.085617.22242@sun.soe.clarkson.edu> Date: 25 May 90 08:56:17 GMT References: <451@isgtec.UUCP> Sender: wargopl@sun.soe.clarkson.edu (Peter L. Wargo) Organization: Clarkson University, Potsdam, NY Lines: 28 From article <451@isgtec.UUCP>, by bmw@isgtec.UUCP (Bruce Walker): > In article <1990May23.154706.16476@sq.sq.com> ian@sq.sq.com (Ian F. Darwin) writes: >> In fact, dozens or hundreds of people used SC-DOS before IBM bought it from >> Microsoft who in turn bought it from a small company named Seattle >> Computing. Microsoft changed the name to obliterate the history, >> [...]. SC-DOS was originally a clone of CP/M, but done for the 8086, > > More evidence of this turns up in the comment blocks within the example > drivers provided with the old MSDOS V2.00 OEM Developers disks. The example > floppy disk driver and format code mentions Seattle Computing's machine by > name and provides equates for their S100 based disk controller. > > Also, to this day, one of the magic cookie disk-type values (0xf8 thru 0xff, > found in the boot block) means eight-inch floppy -- ever see an 8" floppy on > any MSDOS machine? The Seattle Computing machine had them! > Ever see a Zenith Z-100? MS-DOS (up to 3.0) and can use 8" sloppies. Most I've seen are running 2.0, tho. (I got two Shugart 8" drives from a RS MOD 2 to run just by plugging them in. Ahh, good ol' SASI....) Pete -- Peter L. Wargo - wargopl@sun.soe.clarkson.edu, amoung others... "I don't believe it - I just spent 4 years at an expensive university- and I end up as a top-40 DJ..."