Intel® Server System M50FCP1UR System Integration and Service Guide
96
B.3 Intel® DDR5 DIMM Support Disclaimer
Intel validates, and only supports system configurations, where all installed DDR5 DIMMs have matching
“Identical” or “Like” attributes (see
following table)
. A system configured concurrently with DDR5 DIMMs
from different vendors are supported by Intel if all other DDR5 “Like” DIMM attributes match.
Intel does not perform system validation testing, nor will it support system configurations, where all
populated DDR5 DIMMs do not have matching “Like” DIMM attributes, as listed in the
following table
.
Intel only supports Intel server systems configured with DDR5 DIMMs that have been validated by Intel
and are listed on Intel’s Tested Memory list for a given Intel server family.
Intel configures and ships fully integrated L9 server systems. All DDR5 DIMMs within an L9 server system
as shipped by Intel, are identical. All installed DIMMs have matching attributes as the attributes listed in
the
“Identical” DDR5 DIMM Attributes
column
in the
following table
.
When purchasing more than one integrated L9 server system with the same configuration from Intel, Intel
reserves the right to use “Like” DIMMs between server systems. At a minimum, “Like” DIMMS will have
matching DIMM attributes as listed in the following table. However, the DIMM model #, revision #, or
vendor may be different.
For warranty replacement, Intel will make every effort to ship back an exact match to the one returned.
However, Intel may ship back a validated “Like” DIMM. A “Like” DIMM may be from the same vendor but
may not be the same revision # or model #, or it may be an Intel validated DIMM from a different vendor.
At a minimum, all “Like” DIMMs shipped from Intel will match attributes of the original part according to
the definition of “Like” DIMMs in the following table.
Table 6. DDR5 DIMM Attributes Table for “Identical” and “Like” DIMMs
•
DDR5 DIMMs are considered “Identical” when ALL listed attributes between the DIMMs match
•
Two or more DDR5 DIMMs are considered “Like” DIMMs when all attributes minus the Vendor, and/or
DIMM Part # and/or DIMM Revision#, are the same.
Attribute
“Identical”
DDR5 DIMM
Attributes
“Like” DDR5
DIMM Attributes Possible DDR5 Attribute Values
Vendor
Match
May be Different
Memory Vendor Name
DIMM Part #
Match
May be Different
Memory Vendor Part #
DIMM Revision #
Match
May be Different
Memory Vendor Part Revision #
SDRAM Type
Match
Match
DDR5
DIMM Type
Match
Match
RDIMM, 9x4 RDIMM
Speed (MT/s)
Match
Match
4000, 4400, 4800
Voltage
Match
Match
1.1 V
DIMM Size (GB)
Match
Match
16 GB, 32 GB, 64 GB, 128 GB, 256 GB
Organization
Match
Match
2Gx80; 4Gx80; 8Gx80; 16Gx80; 32Gx80
DIMM Rank
Match
Match
1R, 2R, 4R, 8R
DIMM Raw Card (RC)
Match
Match
RC A, RC B, RC C, RC D, RC E, RC F
DRAM Width
Match
Match
x4, x8
DRAM Density
Match
Match
16 Gb
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