Replacing the memory expansion module air baffleThis topic provides instructions for how to replace the memory expansion moduleair baffle.About this taskTo replace the memory expansion module air baffle, complete the following steps:Procedure1. Read the safety information that begins with “Safety” on page v and“Installation guidelines” on page 97.2. Align the air baffle next to DIMM 1 and hook the hinge on the air baffleunderneath the system board; then, insert the tab on the other end of the airbaffle into the tab slot on the system-board wall until it is firmly in place.Alignment tabSlotReleaselatchTab3. Replace the system-board tray (see “Removing the memory expansion modulesystem-board tray assembly” on page 197).4. Reinstall the bezel (see “Replacing the memory expansion module bezel” onpage 178).Removing the memory expansion module information panelassemblyThis topic provides instructions for how to remove the memory expansion moduleinformation panel assembly.About this taskTo remove the information panel assembly, complete the following steps:Procedure1. Read the safety information that begins with “Safety” on page v and“Installation guidelines” on page 97.2. Turn off the host server (see “Turning off the server” on page 21) and allattached peripheral devices. Disconnect all power cords from the memoryexpansion module; then, disconnect all external cables from the memoryexpansion module as necessary to replace the device.3. Remove the bezel (see “Removing the memory expansion module bezel” onpage 177).4. Grasp the blue release latches on the system-board tray handles and pull thelatches in opposite directions; then, rotate the handles to the open position.180 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide
