2b214b12fafce6dc48028ec844612ad1df84caba *precise-alternate-amd64+mac.iso
ef4026545f3ab3f25b696aee54f1c7333de25182 *precise-alternate-amd64.iso
90edc2fe9eedb9d6449e0ec8aae90309d27ccfed *precise-alternate-i386.iso
a58a758b9544580e25359282c15ed6f26d0cdbb3 *precise-alternate-powerpc.iso