Dell PowerEdge M915 Information Guide
Contents
1. 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 processor core enumeration order is as follows 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 processor core enumeration order is designed to facilitate better power management and can be enabled by upgrading to the latest BIOS version for your system from support dell com K NOTE Do not replace hardware This is working as designed 2012 12 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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