this is the content of my grub file
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /root partition. This means that
all kernel and initrd are relative to /, eg.
root (hd0,0)
kernel /boot/vmlinuz-version ro root=/dev/sda1
# initrd /boot/initrd-version.img
#boot=/dev/sda
default=0
timeout=10
splashimage=(hd0,0) /boot/grub/splash.xpm.gz
password --md5 $1$hSC1jN. h$xiis3FXQmaNW6V4d.GLq51
title Red Hat Enterprise Linux WS (2.4.21-4.EL)
root (hd0,0)
kernel /boot/vmlinuz-2.4.21-4.EL ro root=LABEL=/
initrd /boot/initrd-2.4.21-4.EL.img
title DOS
rootnoverify (hd0, 1)
chainloader +1
My output of fdisk -l
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 704 5647288+ 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 704 19458 150641664 7 HPFS/NTFS
Thanks.