Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!henry From: henry@utzoo.UUCP (Henry Spencer) Newsgroups: comp.os.minix Subject: Re: Memory handling in MINIX ? Message-ID: <7680@utzoo.UUCP> Date: Fri, 20-Feb-87 17:48:22 EST Article-I.D.: utzoo.7680 Posted: Fri Feb 20 17:48:22 1987 Date-Received: Fri, 20-Feb-87 17:48:22 EST References: <5490004@nucsrl.UUCP> <254@hqda-ai.UUCP> <7599@utzoo.UUCP>, <4292@columbia.UUCP> Organization: U of Toronto Zoology Lines: 16 > Where did you guys get the idea that the PC has an MMU? Ever opened a hardware > reference manual? Yes, the one for the 8088, which is the chip inside the PC. They call it "segment registers", but it's there. (Once I had read the manual, I put it away on a dark back shelf in hopes I would never have to see it again. So far so good...) > .EXE programs are patched at load time by the EXEC call so that they can > be loaded anywhere in memory. There is no hardware support for it. So the software is the pits, what else did you expect on a micro? -- Legalize Henry Spencer @ U of Toronto Zoology freedom! {allegra,ihnp4,decvax,pyramid}!utzoo!henry