Removing and replacing the disk drive backplane
Use this procedure to remove, replace, or install the disk
drive backplane in the IBM® Power® ESE (8412-EAD), the IBM Power 770 (9117-MMB, 9117-MMC, or 9117-MMD), and the IBM Power 780 (9179-MHB, 9179-MHC, or 9179-MHD) servers.