A1080A-D Model - NEC Express5800/A1080a User Manual

Express5800 series

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A1080a-D Model

A1080a-D model is configured with two servers that can mount up to four processors per server.

The memory configuration is from 4GB (2GB x 2) for the minimum to 1TB (16GB x 64) for the

maximum on both Server 1 and Server 2.

At least two processor memory modules are required for A1080a-D model.

A1080a-D model aims to improve performance by reducing the QPI (Quick Path Interconnect)

connection of lower number processor memory modules #1, #2, #3 and #4 and higher number

processor memory modules #5, #6, #7 and #8 in the server of A1080a-E model described in the

next page, and by increasing the QPI connection instead. The following configuration is available

for this model.

Each server of A1080a-D model is called Server 1 and Server 2.

This model is configured with two servers having up to four processors.

* PMMx is an abbreviation of a processor memory module.

* IOHx is an abbreviation of an I/O hub.

* ICH is an abbreviation of an I/O control hub.