cannot mount boot archive!!

FuckRegister

grub>cat (hd0,\r\npossible partitions are\r\npoartition mun;0,Filesystem type unknow,partition type 0x7\r\npoartition mun;2,Filesystem type is fat,partition type 0x1c\r\npoartition mun;3,[BSD/SOLARIS sub-partitions immediately follow]\r\n    BSD/SOLARIS poartition mun:\'a\',  Filesystem type is ufs,partition type 0xbf\r\n   BSD/SOLARIS poartition mun:\'b\',  Filesystem type unknown,partition type 0xbf\r\n   BSD/SOLARIS poartition mun:\'c\',  Filesystem type unknown,partition type 0xbf\r\n   BSD/SOLARIS poartition mun:\'h\',  Filesystem type is ufs,partition type 0xbf\r\n   BSD/SOLARIS poartition mun:\'i\',  Filesystem type unknown,partition type 0xbf\r\n   BSD/SOLARIS poartition mun:\'j\',  Filesystem type unknown,partition type 0xbf\r\npoartition mun;4,Filesystem type unknow,partition type 0x7\r\npoartition mun;5,Filesystem type is fat,partition type 0xb\r\ngrub>root (hd0,3,a)\r\nFilesystem type is ufs,partition type 0xbf\r\ngrub>kernel /platform/i86pc/multiboot\r\n[Multiboot-elf <0x1000000:0x13ab3:0x1290d>shtab=0x1027258 entry=0x1000000]\r\ngrub>boot\r\n\r\ndiskread:reading beyond end of ramdisk\r\nstart=0x2000, size=0x2000\r\nfailed to read superblock\r\ndiskread:reading beyond end of ramdisk\r\nstart=0x8000, size=0x800\r\nfailed to read superblock\r\npanic: cannot mount boot archive\r\npress any key to reboot\r\n

aric

Please try :\r\ngrub>kernel /platform/i86pc/multiboot\r\ngrub>module /platform/i86pc/boot_archive\r\ngrub>boot