A floppy boot sector that boots from the hard drive
To compile:
nasm -o chain.bin chain.asm
or:
yasm -o chain.bin chain.asm
To build image:
dd if=/dev/zero of=chainloader.img bs=1 count=1474560
mkfs.fat -F 12 -n CHAINLOADER chainloader.img
dd conv=notrunc if=chain.bin of=chainloader.img