Oracle EXADATA X6-2, Service Manual

Page: 86 / 284

Servicing the DIMMs (CRU)
86 Oracle Server X6-2 Service Manual • June 2016
The following topics and procedures provide information to assist you when replacing a DIMM
or upgrading DIMMs:
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“DIMM and Processor Physical Layout” on page 86
■
“DIMM Population Scenarios” on page 87
■
“DIMM Population Rules” on page 88
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“Populating DIMMs for Optimal System Performance” on page 88
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“DIMM Operating Speeds” on page 92
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“DIMM Rank Classification Labels” on page 92
■
“Inconsistencies Between DIMM Fault Indicators and the BIOS Isolation of Failed
DIMMs” on page 92
■
“Using the Server Fault Remind Button” on page 92
■
“Identify and Remove the Failed DIMM” on page 93
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“Install a DIMM” on page 95
Related Information
■
“Servicing CRUs That Do Not Require Server Power-Off” on page 63
■
“Servicing FRUs” on page 119
DIMM and Processor Physical Layout
The physical layout of the DIMMs and processor(s) is shown in the following figure. When
viewing the server from the front, processor 0 (P0) is on the left. Notice that each processor, P0
and P1, has four memory channels that are labeled, from left to right, Ch C, Ch D, Ch B, and Ch
A.