Intel SGI Altix 450 Replacing IRU Components, Remove and Replace the System Control Display Panel

6: Maintenance and Upgrade Procedures

Replacing IRU Components

While the individual rack units (IRUs) are not considered end-user replaceable, a number of their internal components can be removed and replaced. These include:

•L1 controller panel

•IRU power supplies

•IRU cooling fans (also called blowers)

•IRU blades and their components

Remove and Replace the System Control Display Panel

To remove and replace either of the two power supplies in an IRU, you must first remove the system control display panel. Use the following steps to remove the system control display:

1.Using a T10 torx driver, loosen the lower screw that holds the display panel to the IRU chassis, see Figure 6-1 on page 111.

2.Lift the display assembly up about 1/3-inch (84 mm) and pull it outward from the IRU chassis.

3.Don’t unplug the ribbon cable unless you are replacing the system control panel.

4.Let the control panel gently dangle and go to the section “Removing or Adding IRU Power Supplies” on page 113.

5.Replace the applicable power supply and then use the following set of steps to replace the system control panel.

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