© Copyright IBM Corp. 2013, 2014. All rights reserved. xv
Summary of changes
This section describes the technical changes made in this edition of the book and
in previous editions. This edition might also include minor corrections and
editorial changes that are not identified.
Summary of Changes
for SG24-8152-01
for IBM NeXtScale System Planning and Implementation Guide
as created or updated on July 7, 2014.
July 2014
This revision reflects the addition, deletion, or modification of new and changed
information described below.
New information
Added 1300W power supply efficiency values, Table 3-10 on page 40
Added tables showing quantities of compute nodes supported based on
processor selection,, power supply selection, and input voltage, 3.3,
“Supported compute nodes” on page 29
Additional information on GPUs, 4.10, “GPU and coprocessor adapters” on
page 92
April 2014, Second Edition
This revision reflects the addition, deletion, or modification of new and changed
information described below.
New information
New PCIe Native Expansion Tray supporting GPUs and coprocessors
New Intel Xeon Phi coprocessor and NVIDIA GPU adapter options
New Intel Xeon E5-2600 v2 processor options
New 1300W power supply option
New models of the NeXtScale n1200 chassis with 1300W power supplies
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