System Configuration
c. Insert a new battery with the positive sign (+) facing up, and ensure that it is seated
completely.
Ensure the spring latch is in place, and holds the battery firmly.
Figure 4-24: Replacing the battery
6. Observe the post-installation procedures.
Power Supply Unit (PSU)
Located on the rear panel of the server is a single standard autoranging 350-watts PSU with
PFC (power supply correction) function.
WARNING: Take note of the following reminders to reduce the risk of personal injury
from electric shock hazards and/or damage to the equipment.
•
Installation of power supply modules should be referred to individuals who are
qualified to service server systems and are trained to deal with equipment capable
of generating hazardous energy levels.
•
DO NOT open the power supply modules. There are no serviceable parts inside the
module.
To Replace the Default PSU
1. Perform steps 1 through 3 of the pre-installation instructions.
2. Remove the left-side cover.
3. Lay the server on its side.
4. Remove the default PSU from the server:
a. Disconnect the PSU cables from their mainboard connectors (CN1and CN2).
Disconnect the power cables of all installed drives from the PSU.
b. While supporting the PSU with one hand, remove the four screws securing the PSU
to the chassis.
WARNING: Be sure to support the PSU with your hands when removing the screws
securing it to the chassis. The PSU is heavy and could hurt you or damage
components on the mainboard.
4-24
HP ProLiant ML110 Server Operations and Maintenance Guide
