Upgrading To Two Redundant Power Supply Modules; Removing The Existing Power Supply - Acer 9100 System Manual

Upgrading to Two Redundant Power Supply
Modules
Follow the instructions in this section when you want to upgrade to
two 420W redundant power supply modules.

Removing the Existing Power Supply

1. Unplug the AC power cable from the wall socket, then remove
the plastic fan cover on the rear panel.
2. Open and remove the lower front and left doors.
Opening the Housing Panels section for more information.
3. Remove the three screws that secure the right door.
4. Unplug the connectors
- from the power supply to the power sharing board
- from the power sharing board to the system board
- from the power sharing board to the disk drives
- from the fans to the system board
Remember where you unplugged each connector. You will have
to reconnect them later.
System Housing
To reduce the risk of electric shock, make
sure to disconnect all power supply cables
from the wall socket before opening the
system housing.
DO NOT open the RIGHT door at this
moment! Doing so will damage the power
sharing board and cables attached to its
inner side.
See the
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