Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!seismo!sundc!texsun!sun!imagen!geof From: geof@imagen.UUCP (Geoffrey Cooper) Newsgroups: comp.sys.ibm.pc Subject: Switching from Protected to Real Mode Message-ID: <1387@imagen.UUCP> Date: Wed, 19-Aug-87 20:25:49 EDT Article-I.D.: imagen.1387 Posted: Wed Aug 19 20:25:49 1987 Date-Received: Sat, 22-Aug-87 09:39:31 EDT Organization: IMAGEN Corporation, Santa Clara, CA 95052-8101 Lines: 14 Keywords: 286 Is there a way (I deduce from recent net messages that there is) for a program to switch from 286 protected mode back to real address mode, without rebooting the machine? I understand that the only way to tell the '286 to switch is via hardware reset. I think this means that you lose control of the processor. Does MS-DOS have a way to accomodate such a "hot boot"? Don't RAM disks for the PC-AT have to do this? - Geof Cooper IMAGEN -- {decwrl,sun,saber}!imagen!geof