Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-winken!uunet!tektronix!tekcrl!tekchips!danw From: danw@tekchips.LABS.TEK.COM (Daniel E. Wilson) Newsgroups: comp.sys.atari.st Subject: Re: PC Ditto II -- speed? Message-ID: <3944@tekcrl.LABS.TEK.COM> Date: 8 May 89 00:16:39 GMT References: <8905021217.AA08520@nh.cs.wm.edu> <98@sdcc10.ucsd.EDU> <537@TSfR.UUCP> Sender: ftp@tekcrl.LABS.TEK.COM Lines: 16 In article <537@TSfR.UUCP>, usenet@TSfR.UUCP (usenet) writes: > In article <103@sdcc10.ucsd.EDU> cs163afu@sdcc10.ucsd.edu.UUCP (Some call me...Tim) writes: > >The initial release of the IBM PC AT contained a 6Mhz 8086 > >processor. It was only later that they upgraded to 8Mhz and still > >later the 286 processor. > > Wrong. The IBM PC AT started out at a 6mhz 80286 - IBM only upped the > clock to 8mhz when everybody else on the planet was running 8mhz/10mhz/12mhz > on their '286 boxes. This may be a shock to you but the PC AT was around long before the 80286 was created. The AT started out with the 8086 and then went to the 80186 for a greater clock speed. Only in recent years has the 80286 been used in the clones. Dan Wilson