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Article #58318Re: HELP! computer won't boot off floppy
From: John Paul Morrison
Date: Sat, 29 Jun 1996 00:00
Date: Sat, 29 Jun 1996 00:00
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2213 bytes
In article <4r275j$8ie@leonard.anu.edu.au>, Paul Gortmaker <gpg109@leonard.anu.edu.au> wrote: >simc@mundil.cs.mu.OZ.AU (Simon Chin) writes: > >>Tonight I took out my old 200MB hard drive and put in >>an 850 MB hard drive, and I also took out >>my 1.2MB floppy drive. I left my 1.44MB drive in. > >>I tried to boot linux off my linux boot disk. >>The first bit loaded ok, and then it prompted >>for the root disk. I put it in and then I got >>this error message >>"perpendicular drive not supported FDC" > >Sounds like you are using one of those goofy BIOS hacks^H^H^H^H^H features >that allows you to "exchange" A: and B: drives. Well don't. They are just >that -- a hack to the BIOS floppy INT service routine. Some Pentium CMOS/BIOSs have a BIOS part and a cable switch part. The first one just fools the bios in software, but the second one really switches the cable. This should be easier than opening up the case. > >The BIOS loads the boot disk, which is why that works, but the loading of >the rootdisk is actually done by the linux kernel floppy driver, and it >goes looking for /dev/fd0 which physically doesn't exist. Hence the error >message (albeit a misleading one). > >So pop the lid again and put your 1.44 on the end of the cable with the >twists in the middle of the ribbon. > >Paul. -- --------------------------------------------------------------------------- BogoMIPS Research Labs -- bogosity research & simulation -- VE7JPM -- jmorriso@bogomips.com ve7jpm@ve7jpm.ampr.org jmorriso@ve7ubc.ampr.org ---------------------------------------------------------------------------
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 102983,f12cad24871621b1 X-Google-Attributes: gid102983,public X-Google-Thread: f9b51,f12cad24871621b1 X-Google-Attributes: gidf9b51,public From: jmorriso@bogomips.com (John Paul Morrison) Subject: Re: HELP! computer won't boot off floppy Date: 1996/06/29 Message-ID: <1996Jun29.052525.1339@bogomips.com> X-Deja-AN: 162727425 references: <4r0t01$56j@mulga.cs.mu.OZ.AU> <4r275j$8ie@leonard.anu.edu.au> organization: BogoMIPS Research Labs newsgroups: aus.computers.linux,comp.os.linux.setup