Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!sdd.hp.com!uakari.primate.wisc.edu!unmvax!uokmax!munnari.oz.au!uniwa!vax7!tgriffith01 From: Griffiths_DN@cc.curtin.edu.au Newsgroups: comp.os.minix Subject: Re: IBMPC Demo Disk Message-ID: <7156.27c29d49@cc.curtin.edu.au> Date: 20 Feb 91 08:01:13 GMT References: <1991Feb19.182447.6756@sbcs.sunysb.edu> <1991Feb19.213539.7257@syd.dms.CSIRO.AU> Organization: Curtin University of Technology Lines: 36 In article <1991Feb19.213539.7257@syd.dms.CSIRO.AU>, steveq@syd.dms.CSIRO.AU (Stephen Quigg) writes: > What I tried was the following; (were talking MSDOS here) > > debug demo_dsk.ibm > -w 100,0,0,2d0 > -q > > ( the "-" is the debug prompt.) What happens is that debug reads in the > file, and then dumps the image in ram to drive a: ( command means "write > from memory starting at CS:100 to drive a: (0), starting at sector 0; 720 > blocks (sectors) to be written"). > HOWEVER, when I tried to boot the disk (on several different machines), it > started to load (got the welcome message), but it fell over before the prompt > came up. I'm fairly sure that debug dumped the image properly, and the image > has the correct CRC, so I don't know what the problem is. I'd like to hear > from anyone else who tries the same. > Thanks, > Stephen Quigg. > steveq@natmlab.dap.csiro.oz.au > D I initially attempted to do the above without success. However, using the absolute write function of the Norton Utilities proved successful. Read the file in then use the menu to select absolute write on sector 0 etc. It worked for both a 360k 5.25" and 720k 3.5" disk. --------------------+-------------------------------------------------------- Don Griffiths | JANET munnari!cc.curtin.edu.au!Griffiths_DN@uk.ac.ukc Information Systems | UUCP uunet!munnari!cc.curtin.edu.au!Griffiths_DN Curtin University | Bitnet Griffiths_DN%cc.curtin.edu.au@cunyvm.bitnet GPO Box U1987 | PSImail psi%050529452300030::Griffiths_DN PERTH, 6000 | Internet Griffiths_DN@cc.curtin.edu.au Western Australia | ACSnet Griffiths_DN@cc.cut.oz.au --------------------+---------------------------------------------------------- Telex : AA-92983 CURTIN Fax : +61-9-351-3076 Telephone : +61-9-351-7691 -------------------------------------------------------------------------------