On Sat, 2007-10-20 at 17:22 -0500, Mikkel L. Ellertson wrote: > Jonathan Dieter wrote: > > On Sat, 2007-10-20 at 12:00 -0500, Les Mikesell wrote: > >> Jonathan Dieter wrote: > > > >>> The other thing you might try would be to use Rom-o-matic to generate an > >>> etherboot floppy image for your network card and write it to a small > >>> (~1MB) partition on your hard drive. Then, in Grub do the whole > >>> rootnoverify(hd0,x), chainloader +1 and see how that works. I haven't > >>> actually tried this method, but it seems that it should work. > >> Going this route, I'd rather not have to dedicate a partition. Is there > >> any way to put it in /boot along with a linux boot setup? > > > Etherboot will produce bootable floppy images. I don't remember for > sure, but I believe it will also produce a Grub loadable image just > like Memtest86 does. Chainloading to the floppy image should work, > but if it will produce a directly loadable file, that would be better. You know, I hadn't thought of that, but memtest86 does work without needing a separate partition. You're right. So obviously it can work. Les, if I were you, I'd check out rom-o-matic and see what formats it will generate for you. Also, install memtest86 and see how it modifies grub.conf and where it installs the image. > > > As far as I can tell, no. Grub is able to grab files from a filesystem, > > but I don't think it can set its root device to be a file. > > > The Grub root device is where the base of where it looks for the > file. According to the manual, you can use a file name in the > chanloader command, or specify where to read from, and how much to > read. So something like "chainloader boot.img" should work. I > believe there was a thread on this before where we were using a > floppy image designed to let you boot from a CD on systems where the > BIOS did not support it to give Grub a boot from CD option. I stand corrected. Obviously grub is far more flexible than I was originally thinking. Jonathan
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