# fdisk /dev/sdb d -> delete all partition n -> create a new primary t -> type '6' for vfat 16 a -> toggle bootable flag w -> write and exit
# mkfs.vfat -F 16 /dev/sdb1
# aptitude install syslinux # dd if=/usr/lib/syslinux/mbr.bin of=/dev/sdb
For AMD64:
# mount /dev/sdb1 /mnt # mkdir /mnt/syslinux # cd /mnt/syslinux # wget http://ftp.de.debian.org/debian/dists/unstable/main/installer-amd64/current/images/hd-media/initrd.gz # wget http://ftp.de.debian.org/debian/dists/unstable/main/installer-amd64/current/images/hd-media/vmlinuz # wget http://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-6.0.1a-amd64-netinst.iso
# vim /mnt/usb/syslinux/syslinux.cfg default vmlinuz append initrd=initrd.gz ramdisk_size=12000 root=/dev/ram rw
# umount /mnt # syslinux -d /syslinux /dev/sdb1
That's it :)