NEC 120Lg manual Removing the Non-Hot-Swap Power Supply

Non-Hot-Swap Power Supply

Your server system may contain a single non-hot-swap power supply that is housed in the rear of the chassis as shown in Figure 4-33.

Removal

1.Prepare your system for disassembly. See Preparing Your System for Disassembly and Reassembly earlier in this chapter.

2.Remove the left-hand side access panel of the system chassis. See Removing the Side Access Panel earlier in this chapter.

!CAUTION

For proper cooling and airflow, do not operate the system with the side access panel removed. Always replace the panel before powering on the system.

3.Remove all the power cables from the system board, 5.25-inch devices, diskette drive, and SCSI backplane.

4.Remove and save the nine screws that secure the power supply to the rear of the chassis. See Figure 4-33.

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Figure 4-33. Removing the Non-Hot-Swap Power Supply

5.Carefully remove the power supply from the chassis.

6.Follow this removal procedure in reverse order to install the replacement power supply unit.

4-34 Disassembly and Reassembly