2-34
C122-B001-02EN
CHAPTER 2 General Hardware Configuration
2.13
Dual Power Feed Option
The dual power feed option can be mounted in the PRIMEQUEST-series machines.
The dual power feed option is a system that allows feeding of AC power to the main
unit from two different sources.
Remarks: The PRIMEQUEST 480 requires the expansion power supply cabinet.
If power outage occurs in either source, processing can continue in the main unit
because its AC power is connected to power from the dual sources.
If a UPS is set up, be sure to set it up for each power source.
2.14
PCI_Box
The PCI_Box is an optional unit for PCI slot expansion, and it is mounted in an
extended I/O cabinet:
z
Up to eight PCI_Boxes can be mounted in one PRIMEQUEST 480 main unit, and
up to four PCI_Boxes can be mounted in one PRIMEQUEST 440 main unit
z
Four PCI Slot Units (PCIUs) can be mounted in one PCI_Box. Three PCI-X cards
can be inserted in one PCIU.
z
The PCI_Box is connected to the CPCB by a CPCB control cable and controlled
by the CPCB.
z
A PCI card is inserted into a PCI card cassette, and the cassette is inserted into the
PCI slot of a PCIU.
z
The PCI_Box is used while connected to an IO_Unit with a PCI_Box interface
cable and PCI_Box side band interface cable.
z
Multi processor specification (MPS), power supply units, and fans use redundant
configurations, increasing their reliability.
Summary of Contents for PRIMEQUEST 440
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