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Cisco UCS C480 M5 Guide

Cisco UCS C480 M5
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Cisco UCS C480 M5 Memory Guide
1
CONTENTS
Server CPU Module Bay Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Memory Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Memory Devices (DIMMs and DCPMMs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Memory Configurations and Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
DIMM Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
DCPMM Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
DIMM Memory Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
CPU Configuration Without Memory Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
CPU Configuration With Memory Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
System Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Physical Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
DIMM Population Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
DIMM Population Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Recommended DIMM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Memory Capacities for CPU Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
All DIMM Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
All DIMM Configurations for 2nd Generation Intel® Xeon® Scalable Processors . . . . . . 19
All DIMM Configurations for Intel® Xeon® Scalable Processors . . . . . . . . . . . . . . . . . 21
Mixed DIMM/DCPMM Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
DIMM/DCPMM Configurations for 2nd Generation Intel® Xeon® Scalable Processors . . . 22
Installing a DIMM or DIMM Blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

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Cisco UCS C480 M5 Specifications

General IconGeneral
BrandCisco
ModelUCS C480 M5
CategoryServer
LanguageEnglish

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