Use PAE kernel for 32 bit!

/etc/fstab:

/dev/xvda1 /         ext3    defaults         1 1
/dev/xvda2 /mnt      ext3    defaults         1 2
/dev/xvda3 swap      swap    defaults         0 0
none       /dev/pts  devpts  gid=5,mode=620   0 0
none       /dev/shm  tmpfs   defaults         0 0
none       /proc     proc    defaults         0 0
none       /sys      sysfs   defaults         0 0

/boot/grub/menu.lst:

default=0
timeout=0
title jeos-f13
        root (hd0)
        kernel /boot/vmlinuz-2.6.33.6-147.fc13.i686.PAE root=/dev/xvda1 ro rd_NO_PLYMOUTH
        initrd /boot/initramfs-2.6.33.6-147.fc13.i686.PAE.img