Upgrading Your System 4-55
Power Supply
The following sections provide procedures for installing a power supply,
removing a power supply, or swapping out a faulty power supply.
The BSU supports up to three power supplies (depending on processor
configuration):
! Four processors or less.
The BSU contains one standard power supply. The redundant feature is
available by adding an optional power supply.
! Five processors or more.
The BSU contains two standard power supplies. The redundant feature is
available by adding an optional 3rd power supply.
The DEU supports up to two power supplies (depending on system
redundancy):
! Non-Redundant.
The DEU contains one standard power supply.
! Redundant.
The redundant feature is available by adding an optional power supply.