Ok, this are the results:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in
partition #4 for /boot/grub.
sda1: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Grub 2
Boot sector info: Grub 2 is installed in the boot sector of sda1 and
looks at sector 222630819 of the same hard drive for
core.img, but core.img can not be found at this
location. No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /ntldr /ntdetect.com
sda2: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Grub 2
Boot sector info: Grub 2 is installed in the boot sector of sda2 and
looks at sector 223670051 of the same hard drive for
core.img, but core.img can not be found at this
location. No errors found in the Boot Parameter Block.
Operating System: Windows Vista
Boot files/dirs: /bootmgr /Boot/BCD /Windows/System32/winload.exe
/wubildr.mbr /ubuntu/winboot/wubildr.mbr /wubildr
/ubuntu/winboot/wubildr
sda3: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Grub 2
Boot sector info: Grub 2 is installed in the boot sector of sda3 and
looks at sector 223673019 of the same hard drive for
core.img, but core.img can not be found at this
location. No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
sda4: __________________________________________________ _______________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 10.04 LTS
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disco /dev/sda: 160.0 GB, 160041885696 bytes
255 cabezas, 63 sectores/pista, 19457 cilindros, 312581808 sectores en total
Unidades = sectores de 1 * 512 = 512 bytes
Tamaño de sector (lógico / físico): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sda1 63 16,370,234 16,370,172 27 Hidden HPFS/NTFS
/dev/sda2 * 16,370,235 164,794,769 148,424,535 6 FAT16
/dev/sda3 164,794,770 213,134,354 48,339,585 7 HPFS/NTFS
/dev/sda4 213,134,355 312,576,704 99,442,350 83 Linux
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/sda1 663C206E16D9B5D2 ntfs PQSERVICE
/dev/sda2 BC2C39642C391ABA ntfs ACER
/dev/sda3 60E81AB5E81A8A04 ntfs DATA
/dev/sda4 87d6fb8b-8d60-4656-9309-c7f5677ff679 ext4
/dev/sda: PTTYPE="dos"
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
/dev/sda4 / ext4 (rw,errors=remount-ro)
=========================== sda4/boot/grub/grub.cfg: ===========================
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
load_env
fi
set default="0"
if [ ${prev_saved_entry} ]; then
set saved_entry=${prev_saved_entry}
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z ${boot_once} ]; then
saved_entry=${chosen}
save_env saved_entry
fi
}
function recordfail {
set recordfail=1
if [ -n ${have_grubenv} ]; then if [ -z ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ext2
set root='(hd0,4)'
search --no-floppy --fs-uuid --set 87d6fb8b-8d60-4656-9309-c7f5677ff679
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi
insmod ext2
set root='(hd0,4)'
search --no-floppy --fs-uuid --set 87d6fb8b-8d60-4656-9309-c7f5677ff679
set locale_dir=($root)/boot/grub/locale
set lang=es
insmod gettext
if [ ${recordfail} = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Ubuntu, con Linux 2.6.32-22-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,4)'
search --no-floppy --fs-uuid --set 87d6fb8b-8d60-4656-9309-c7f5677ff679
linux /boot/vmlinuz-2.6.32-22-generic root=UUID=87d6fb8b-8d60-4656-9309-c7f5677ff679 ro quiet splash
initrd /boot/initrd.img-2.6.32-22-generic
}
menuentry 'Ubuntu, con Linux 2.6.32-22-generic (modo recuperación)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,4)'
search --no-floppy --fs-uuid --set 87d6fb8b-8d60-4656-9309-c7f5677ff679
echo 'Cargando Linux 2.6.32-22-generic ...'
linux /boot/vmlinuz-2.6.32-22-generic root=UUID=87d6fb8b-8d60-4656-9309-c7f5677ff679 ro single
echo 'Cargando el disco RAM inicial...'
initrd /boot/initrd.img-2.6.32-22-generic
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod ext2
set root='(hd0,4)'
search --no-floppy --fs-uuid --set 87d6fb8b-8d60-4656-9309-c7f5677ff679
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod ext2
set root='(hd0,4)'
search --no-floppy --fs-uuid --set 87d6fb8b-8d60-4656-9309-c7f5677ff679
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows NT/2000/XP (on /dev/sda1)" {
insmod ntfs
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 663c206e16d9b5d2
drivemap -s (hd0) ${root}
chainloader +1
}
menuentry "Windows Recovery Environment (loader) (on /dev/sda2)" {
insmod ntfs
set root='(hd0,2)'
search --no-floppy --fs-uuid --set bc2c39642c391aba
drivemap -s (hd0) ${root}
chainloader +1
}
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
=============================== sda4/etc/fstab: ===============================
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# / was on /dev/sda4 during installation
UUID=87d6fb8b-8d60-4656-9309-c7f5677ff679 / ext4 errors=remount-ro 0 1
/dev/scd1 /media/cdrom2 udf,iso9660 user,noauto,exec,utf8 0 0
=================== sda4: Location of files loaded by Grub: ===================
113.8GB: boot/grub/core.img
109.5GB: boot/grub/grub.cfg
110.1GB: boot/initrd.img-2.6.32-22-generic
109.7GB: boot/vmlinuz-2.6.32-22-generic
110.1GB: initrd.img
109.7GB: vmlinuz