NEC 1080Xd, User Manual

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System Overview 1-13
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CAUTION
Contact qualified personnel, such as your System Administrator or
an NEC Technician, for adding or removing server components.
CELLV Board
Each CELLV Board supports:
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4 Intel Itanium 2 processors
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16 DIMMs.
The system supports 2 CELLV Boards for a total of eight Itanium 2 processors and up
to 32 DIMMs.
CPUs
Each CELLV Board supports 4 Itanium 2 processors. The system supports the
following processor types:
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Intel Itanium 2 1.3GHz/3MB of level 3 cache
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Intel Itanium 2 1.5GHz/6MB of level 3 cache
The same type processor must be used in the system. The two types cannot be mixed
within a single system.
Memory
Each CELLV Board supports up to 16 DIMMs in the following configurations:
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Memory must be installed in groups of 4 DIMMs of the same capacity.
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Memory capacity can vary between different groups
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At least one group of four DIMMs is required in the system.
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Each CELLV Board supports up to 4 groups of 4 DIMMs.
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A memory group currently includes a group of four 1-GB DDR DIMMs for total
capacity of 4 GB in a group.
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Maximum memory capacity using currently available 1-GB DIMMs is 16 GB
per CELLV board or 32 GB on two CELLV boards.
For detailed memory configuration information, see Appendix B. in this guide.
Optional PCIX Unit
A PCIX Unit can be added and connected to the Main Chassis. The PCIX Unit connects
to the Core Module via a 1.6-GB interface cable (dedicated cable for connecting the
unit).
A PCIX Unit requires a Power Bay Unit. Up to six Distributed Power Supply (DPS)
modules can be installed in a Power Bay Unit.