From: Matthew F. <mf...@ci...> - 2002-05-14 21:45:14
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If I recall ISOLINUX (vs. SYSLINUX) did not use El Torrito. THe last (corrupted) ISO I released used it. So you should have no limitations regarding floppy size for kernel/initrd. I don't think syslinux is a real bootloader (meaning like LILO/Grub) because I don't think you can boot a specific partition vs booting a kernel from an iso/fat fs like syslinux/isolinux do. - mdf > > Bootable CD-Roms use a trick to get the ancient ROM-BIOS on PC class > motherboards to boot from CD-Rom. > > Named El-Torito (and I don't recall why), the trick is to place a floppy > image onto the CDrom and boot the (virtual) floppy. You can find more > info in the howto docs that come with most distros. Or search the web for > "El-Torito". > > So, your challange actually originates with a boot floppy. You can have a > look at the boot floppy used by RedHat for example. Redhat includes a > boot manager (lilo, if I recall) that will allow the boot from selected > partitions. I don't recall if Trinux uses a similar boot manager. > > Once you have mastered the configuration of the boot manager, then you can > address the "how do I address the multiple tracks on a cdrom" issue. I > cannot help you there, sorry. Can anybody help here? > > Setup the boot manager on the floppy to offer to boot one of the multiple > tracks on the CDrom and then include the floppy image in the new CDrom. > > Before you start, you need to know that the floppy boot image is extremely > tight, so adding any code is usually accompanied by removing some other > component that is less needed. Usually, this means removing kernel > drivers, since the kernel takes up the majority of the floppy. > > Modifying the boot floppy image and creating a bootable cdrom is not for > the faint at heart, and it is unlikely you will master the entire process > easily. I made several posts last year (nov-dec 2001) that help to > explain how to modify the linuxrc file, which is included in the boot > floppy image. I also burned up a stack of blank CD's to debug my custom > bootable CD-rom iso. It took me several days. > > Good luck, and if you get it working, please let us know. > > On Tue, 14 May 2002, Mark (fat) wrote: > > > First off appolgies for the off topic question but I thought someone on > > this list may be able to help. > > > > I have been having trouble with CDROM support of credit card CD's (i.e. > > the big slice in the cdrom drawer makes reading unreliable or > > impossible). Since then I have discovered mini-cdr's with a capcity of > > 180Mb and a nice hard case that can fit in my wallet. > > > > I usually carry 2-3 different bootable cdroms for slightly different > > purposes and the total size of all these distros is less than the > > capacity of the the mini-CDR. Is it possible to boot into different > > "partitions" for lack of a better word contained on the same ISO? > > > > Appreciated for amy advice you can offer > > > > > > Mark (fat) > > > > > > _______________________________________________________________ > > > > Have big pipes? SourceForge.net is looking for download mirrors. We supply > > the hardware. You get the recognition. Email Us: ban...@so... > > _______________________________________________ > > Trinux-talk mailing list > > Tri...@li... > > https://lists.sourceforge.net/lists/listinfo/trinux-talk > > > > -- > -------------------- > Timothy Burt > Internet Specialist > > > _______________________________________________________________ > > Have big pipes? SourceForge.net is looking for download mirrors. We supply > the hardware. You get the recognition. Email Us: ban...@so... > _______________________________________________ > Trinux-talk mailing list > Tri...@li... > https://lists.sourceforge.net/lists/listinfo/trinux-talk -- Matthew Franz mf...@ci... Critical Infrastructure Assurance Group (CIAG) Cisco Systems, Inc. Austin, TX |