Latest HP iLO firmware: final versions for iLO 1 through iLO 7 and direct downloads
iLO 1 (1.96), iLO 2 (2.33), iLO 3 (1.94) and iLO 4 (2.82) will not change again; iLO 5, 6 and 7 are still alive. Direct links, how to extract the .bin, and the intermediate steps.