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Chapter 3: Maintenance and Component Installation
Figure 3-4. Removing the PHM
Memory Support
The X11DDW-L supports up to 3TB of ECC DDR4-2933 RDIMM (Registered DIMM) or
LRDIMM (Load-Reduced DIMM) memory in 12 slots. Populating these DIMM modules with
a pair of memory modules of the same type and size will result in interleaved memory,
which will improve memory performance. Note that 2933 MHz memory is supported by the
82xx/62xx/52xx platform only. Only Platinum-level and Gold-level processors support Intel
Optane
TM
DC Persistent Memory Module (DCPMM).
Notes: 1. Use the memory modules of the same type and speed. Mixing memory modules of
different types and speeds is not allowed. 2. When installing memory modules, be sure to install
unbalanced memory topology by populating two DIMMs in one channel while populating one
DIMM in another channel will result in reduced memory performance.
Printed Triangle on Motherboard
Removing the screws in
the sequence of 4, 3, 2, 1
#1
#2
#3
#4
After removing the screws,
lift the Processor Heatsink
Module off the CPU socket.
CPU Socket
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