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I've can boot floppy images (eg toms, barts) booting via pxe. I can also boot initrd's via pxe. Would be very cool to be able to boot iso's (knoppix, gentoo-basic) via pxe also. Looking thru the docs, looks like this would not be a straightforward thing. Would need to loop mount the iso, then loop mount the .img. Or else copy them all the pertinent files to the tftpboot