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Chapter 2: Installation
Memory Support
The motherboard supports up to 4TB of 3DS Load Reduced DIMM (3DS LRDIMM), Load
Reduced DIMM (LRDIMM), 3DS Registered DIMM (3DS RDIMM), Registered DIMM (RDIMM),
Non-Volatile DIMM (NV-DIMM) DDR4 (288-pin) ECC 2933*/2666/2400/2133 MHz memory
in 16 slots (*Note below). This motherboard also supports up to 5TB memory with DCPMM
modules installed based on the DCPMM population table on page 37.
Notes: 1. 2933 MHz memory is supported by 2nd Gen Intel Xeon Scalable-SP
(82xx/62xx series) processors only. 2. Populating DDR4 memory modules in a two-
DIMMs per-channel (2DPC) confi guration on this motherboard will affect memory
bandwidth and performance.
Memory Installation Sequence
Memory modules for this motherboard are populated using the "Fill First" method. The blue
memory slot of each channel is considered the "fi rst DIMM module" of the channel, and the
black slot, the second module of the channel. When installing memory modules, be sure to
populate the blue memory slots fi rst and then populate the black slots.
General Memory Population Requirements
1. Be sure to use the memory modules of the same type and the same speed on the same
motherboard. Mixing of memory modules of different types and speeds is not allowed.
2. Using unbalanced memory topology such as populating two DIMMs in one channel while
populating one DIMM in another channel on the same motherboard will result in reduced
memory performance.
3. Populating memory slots with a pair of DIMM modules of the same type and size will
result in interleaved memory, which will improve memory performance.
2.4 Memory Support and Installation
Note: Check Supermicro's website for recommended memory modules. Exercise ex-
treme care when installing or removing DIMM modules to prevent any damage.
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