i have to use /dev/hda2 for the kernel item i compiled
default=3
timeout=10
splashimage=(hd0,1)/boot/grub/splash.xpm.gz
title Red Hat Linux (2.4.20-
root (hd0,1)
kernel /boot/vmlinuz-2.4.20-8 ro root=LABEL=/ vga=791
initrd /boot/initrd-2.4.20-8.img
title Red Hat Linux (2.4.21-rc2-ac2)
root (hd0,1)
kernel /boot/vmlinuz-2.4.21-rc2-ac2 ro root=/dev/hda2 vga=791
initrd /boot/initrd-2.4.21-rc2-ac2
title Red Hat Linux (2.5.69-bk1)
root (hd0,1)
kernel /boot/vmlinuz-2.5.69-bk1 ro root=/dev/hda2 vga=791
initrd /boot/initrd-2.5.69-bk1
title winxp
rootnoverify (hd0,0)
chainloader +1