Figure 7-2 Removing The Power Supply Screws And Cables - Silicon Graphics 320 Owner's Manual

5. Disconnect the rest of the cables and remove the power supply, as
shown in Figure 7-2
Disconnect the power cables from the backs of the internal
drives.
Place your hand underneath the power supply to support it,
then remove the four screws from the back of the system.
Removing the Power Supply Screws and Cables
Figure 7-2
Power Supply and Fan 81