Supermicro X11DDW-L User Manual page 3

About This Manual
This manual is written for system integrators, IT technicians, and knowledgeable end users.
It provides information for the installation and use of the X11DDW-L/NT motherboard.
About This Motherboard
The X11DDW-L/NT motherboard supports dual Intel Xeon 81xx/61xx/51xx/41xx/31xx series
processors (Socket P -F) with a TDP (Thermal Design Power) of up to 205W and two
UPI (UltraPath Interconnect) of up to 10.4GT/s. Built with the Intel® C621/C622 PCH, this
motherboard supports up to 1536GB of 3DS LRDIMM/RDIMM DDR4 ECC 2666/2400/2133
MHz memory in 12 memory slots. It offers support for Intel Intelligent Power Node Manager,
Active Management Technology, and vPro technology. The X11DDW-L/NT includes four
NVMe connectors, two slots for riser card support, fourteen SATA 3.0 ports, and dual LAN
and USB 3.0 ports. The X11DDW-L/NT provides maximal system performance, SATA/SAS
versatility, and PCI-E expandability. This motherboard is optimized for PCI-Express expansion
with fl exible IO support, and is ideal for general-purpose server platforms. Please note that
this motherboard is intended to be installed and serviced by professional technicians only.
For processor/memory updates, please refer to our website at http://www.supermicro.com/
products/.
Note: The X11DDW-L is supported by the Intel C621 chipset, and the X11DDW-NT is
supported by the Intel C622 chipset.
Manual organization
Chapter 1 describes the features, specifi cations and performance of the motherboard, and
provides detailed information on the Intel C621/C622 chipsets.
Chapter 2 provides hardware installation instructions. Read this chapter when installing the
processor, memory modules and other hardware components into the system.
If you encounter any problems, see Chapter 3, which describes troubleshooting procedures
for video, memory and system setup stored in the CMOS.
Chapter 4 includes an introduction to the BIOS, and provides detailed information on running
the CMOS Setup utility.
Appendix A provides BIOS Error Beep Codes.
Appendix B lists software program installation instructions.
Appendix C lists standardized warning statements in various languages.
Appendix D contains UEFI BIOS Recovery instructions.
Preface
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Preface