MSI X99S SLI PLUS User Manual - Page 30

Memory, Video Demonstration, Important

Page 30 highlights

Chapter 1 Memory These DIMM slots are used for installing memory modules. SATA9_10 SATA7_8 SATA3_4 SATA1_2 DIMM1 DIMM2 DIMM3 DIMM4 DIMM8 DIMM7 DIMM6 DIMM5 Video Demonstration Watch the video to learn how to install memory. http://youtu.be/T03aDrJPyQs Up to Quad-Channel mode This mainboard supports up to four memory channels. Two DIMM slots provide a single channel. The memory modules can transmit and receive data with four data bus channels simultaneously to enhance system performance. Please refer the following tables for more details. Channel Channel A Channel B Channel C Channel D Defined Channel list DIMM Slot DIMM1, DIMM2 DIMM3, DIMM4 DIMM5, DIMM6 DIMM7, DIMM8 Important • DDR4 memory modules are not interchangeable with DDR3, and the DDR4 standard is not backward compatible. Always install DDR4 memory modules in DDR4 DIMM slots. • Always insert memory modules in the DIMM1 slot first. • Due to chipset resource usage, the system will only detect up to 127+ GB of memory (not full 128 GB) when all DIMM slots have 16GB memory modules installed. Getting Started 1-16

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Chapter 1
1-16
Getting Started
Memory
These DIMM slots are used for installing memory modules.
SATA3_4
SATA9_10
SATA1_2
SATA7_8
DIMM1
DIMM2
DIMM3
DIMM4
DIMM8
DIMM7
DIMM6
DIMM5
Video Demonstration
Watch the video to learn how to install memory.
http://youtu.be/T03aDrJPyQs
Up to Quad-Channel mode
This mainboard supports up to four memory channels. Two DIMM slots provide a
single channel. The memory modules can transmit and receive data with four data bus
channels simultaneously to enhance system performance. Please refer the following
tables for more details.
Defined Channel list
Channel
DIMM Slot
Channel A
DIMM1, DIMM2
Channel B
DIMM3, DIMM4
Channel C
DIMM5, DIMM6
Channel D
DIMM7, DIMM8
Important
DDR4 memory modules are not interchangeable with DDR3, and the DDR4
standard is not backward compatible. Always install DDR4 memory modules in
DDR4 DIMM slots.
Always insert memory modules in the DIMM1 slot first.
Due to chipset resource usage, the system will only detect up to 127+ GB of
memory (not full 128 GB) when all DIMM slots have 16GB memory modules
installed.