1. Installing Internal Optional Devices
Express5800/T110g-E User’s Guide
95
Chapter 2 Preparations
1.15
Power Supply (EXP288A)
Non-redundant power supply or redundant power supply can be installed into Express5800/T110g-E
(EXP288A). Using two redundant power supplies enables the system to continue processing even if one power
supply fails.
Cold redundant feature
1.15.1
Cold redundant provides the following features by using redundant power supply.
Cold redundant can run the system with optimum power efficiency by raising operating efficiency of
primary power supply and lowering that of redundant power supply.
If the power efficiency of power supplies is not optimized due to system configuration, this feature is
disabled automatically.
Cold redundant feature can be used under the following conditions:
Two power supplies must be installed for redundant configuration.
Change the parameter as shown below.
Server
Power Control Configuration
Cold Redundant Mode
Enabled
See
Chapter 3 (2. System BIOS Setup)
for details.
Run SETUP after restarting, and check if the status of
Cold Redundant Mode
shows
Enabled
.
Installing a redundant power supply
1.15.2
Install a redundant power supply by using the following procedure.
1. Remove the blank cover from the server.
Important Keep the removed blank cover for future use.
