thanks for comment . i cannot install boot loader of openbsd by command . i want to know it . so i chose step of ---upgrade---- .
by my menu.lst ,OpenBSD is not booted up by grub4dos only . title OpenBSD chainloader (hd0,3)+1 rootnoverify (hd0,3) boot this menu is dependent of openbsd's boot loader . but there should be menu.lst only by gub4dos boot loader . -------- tuyosi takesima , a japanese