--batch turn on batch mode for non-interactive use
--boot-drive=DRIVE specify stage2 boot_drive [default=0x0]
--config-file=FILE specify stage2 config_file [default=/boot/grub/menu.lst]
--device-map=FILE use the device map file FILE
--help display this message and exit
--hold wait until a debugger will attach
--install-partition=PAR specify stage2 install_partition [default=0x20000]
--no-config-file do not use the config file
--no-curses do not use curses
--no-floppy do not probe any floppy drive
--no-pager do not use internal pager
--preset-menu use the preset menu
--probe-second-floppy probe the second floppy drive
--read-only do not write anything to devices
--verbose print verbose messages
--version print version information and exit
should give you access to the complete manual.