HP Laptop Setup

# sfdisk -l /dev/sda

Disk /dev/sda: 30401 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sda1   *      0+     12-     13-    102400    7  HPFS/NTFS
/dev/sda2         12+  12748-  12736- 102297600    7  HPFS/NTFS
/dev/sda3      12748+  13139-    392-   3145988    7  HPFS/NTFS
/dev/sda4      13140   30400   17261  138648982+   5  Extended
/dev/sda5      13140+  29694   16555- 132978006   83  Linux
/dev/sda6      29695+  30400     706-   5670913+  82  Linux swap / Solaris
root@pes-laptop:~#

menuentry "PES Ubuntu, Linux 2.6.31-17-generic" {
        recordfail=1
        if [ -n ${have_grubenv} ]; then save_env recordfail; fi
        set quiet=1
        insmod ext2
        set root=(hd0,5)
        search --no-floppy --fs-uuid --set f4c8c1ff-c74c-4468-a35c-cbc9d8df721e
        linux   /boot/vmlinuz-2.6.31-17-generic root=UUID=f4c8c1ff-c74c-4468-a35c-cbc9d8df721e ro   quiet splash
        initrd  /boot/initrd.img-2.6.31-17-generic
}

...