grub> root (hd0,0)
root (hd0,0)
 Filesystem type is ext2fs, partition type 0x83
grub> setup (hd0)
setup (hd0)
 Checking if "/boot/grub/stage1" exists... yes
 Checking if "/boot/grub/stage2" exists... yes
 Checking if "/boot/grub/e2fs_stage1_5" exists... yes
 Running "embed /boot/grub/e2fs_stage1_5 (hd0)"...  15 sectors are embedded.
succeeded
 Running "install /boot/grub/stage1 (hd0) (hd0)1+15 p (hd0,0)/boot/grub/stage2 /boot/grub/menu.lst"... failed

Error 22: No such partition
grub> 


/boot/grub/grub.conf

#
# Sample boot menu configuration file
#

# Boot automatically after 30 secs.
timeout 5

# By default, boot the first entry.
default 0

# Fallback to the second entry.
fallback 1

# Splash image to show behind grub.
splashimage=(hd0,0)/boot/grub/splash.xpm.gz

title=Gentoo Linux genkernel-x86_64-2.6.21-ck2
root (hd0,0)
kernel /kernel-genkernel-x86_64-2.6.21-ck2 root=/dev/ram0 init=/linuxrc ramdisk=8192 crypt_root=/dev/evms/slash real$
initrd /initramfs-genkernel-x86_64-2.6.21-ck2

# For booting Gentoo with the static rescue shell
#title  Gentoo (rescue shell)
#root (hd0,0)
#kernel /vmlinuz root=/dev/hdb1 init=/bin/bb


# For booting Windows NT or Windows95
#title Windows NT / Windows 95 boot menu
#rootnoverify (hd2,0)
#makeactive
#chainloader  +1
# For loading DOS if Windows NT is installed
# chainload /bootsect.dos

# For installing GRUB into the hard disk
title Install GRUB into the hard disk
root    (hd0,0)
setup   (hd0)

# Change the colors.
title Change the colors
color light-green/brown blink-red/blue