you can use plop bootmanager floppy to boot usb
use "plpbt.img" or "plpbtin.img"
plpbt just tries to boot from the floppy
plpbtin installs plop to your mbr(easily removed too)
get a clean floppy and copy/paste this into terminal
mkfs -t msdos /dev/fd0
that formats it
then put either above onto floppy using dd
example plpbtin.img is in /home on your hd
it would be
dd if=/home/plpbtin.img of=/dev/fd0 bs=1440k
then pop that in and install to mbr, option 1
reboot with usb inserted, choose usb
if it doesn't boot first time try again, reboot
someties I have to reboot 2x
anyway what computer is this?
I have a netbootcd usb which can do this-
Also features Tinycore-1.3rc3/1.3 with kexec support( http://en.wikipedia.org/wiki/Kexec
) and also great wallpapers!
The Tinycore part is similar to 1.4.2 above with apps(tce) installed-basically a "mini-rescue" USB as it has gparted/partimage/photorec,etc.
NetbootCD can Net-install various versions of all Major Distro's-
* Debian GNU/Linux (standard and daily installers)
* Mandriva Linux
o (note: for Slackware, you may need an alternative installation source, such as NFS or the hard drive)
NetbootCD also supports downloading and launching the latest version of the GRUB4DOS bootloader.
just download that, put it on usb, set boot flag active using cfdisk or gparted
install syslinux with
syslinux -s /dev/sdxx
where xx is your usb device name (sda1,sdb1,sdf1,etc)
to find out, as root enter "fdisk -l" in terminal or
use "mount" while usb is mounted.