Dell PowerEdge M915 Information Guide

AMD Opteron 4100, 4200, 4300, 6100,
6200, and 6300 Series Processors
Core Enumeration—Information
Update

The core enumeration order on AMD Opteron 4100, 4200, 4300, 6100, 6200, and
6300 series processors has changed from the following BIOS versions onwards.

BIOS Version Dell PowerEdge System

v1.9.3 R415, R515

v2.8.2 R815, R715

v2.10.2 M915

With this latest BIOS update, the new core enumeration order follows a different
sequence. It enumerates all the cores on the first processor and then enumerates
all the cores on the next processor and so on.

For example, in a system installed with two 8-core 6200 series processors with all
cores enabled in the BIOS, the

1

Processor 0: Cores 1, 2, 3, 4, 5, 6, 7, 8

2

Processor 1: Cores 9, 10, 11, 12, 13, 14, 15, 16

The new
management and can be enabled by upgrading to the latest BIOS version for your
system from

processor core enumeration order is designed to facilitate better power

support.dell.com

processor core enumeration

.

order is as follows:

NOTE: Do not replace hardware. This is working as designed.

2012 - 12

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© 2012 Dell Inc.

Trademarks used in this text: Dell™ , the DELL logo, and PowerEdge™ are trademarks of Dell Inc. AMD
is a registered trademark and AMD Opteron™ is a trademark of Advanced Micro Devices.

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