SUPER MICRO Computer X8DTU-6TF+-LR, X8DTU-6F+-LR manual Motherboard Features, Cpu

Chapter 2: Overview

Motherboard Features

CPU

•Two Intel® 5500/5600 Series (LGA 1366) processors; each processor sup- ports two full-width Intel QuickPath Interconnect (QPI) links with a total of up to 51.2 GT/s Data Transfer Rate (6.4 GT/s per direction)

Memory

•RDIMM

•240-pin Reg. DDR3 ECC 1333/1066/800 MHz memory with support of up to 288 GB in 18 slots

Note 1. 240-pin Dual Rank (DR) 16 GB Reg. ECC DDR3 1333/1066/800 MHz memory will support up to 288 GB. Memory speed will be downgraded to 800 MHz. (Refer to the notes in the memory configuration tables in Chpt. 3.)

Note 2. 240-pin Quad Rank (QR) 16 GB Reg. ECC DDR3 1066/800 MHz memory will support up to 192 GB (with 6 DIMMs max. per CPU). Memory speed will be downgraded to 800 MHz. (Refer to the notes in memory configuration tables in Chpt. 3.)

•LRDIMM (Load Reduced DIMM, for X8DTU-6F+-LR and 8XDTU-6TF+-LR Only)

•DDR3 ECC 1066 MHz memory with support of up 288 GB in 18 slots

Warning: For your system memory to work properly, be sure to use the correct BIOS ROM for your system.

For the X8DTU+-6F+, use the X8DTU+-6F+BIOS. For the X8DTU+-6F+- LR, use the X8DTU+-6F+-LR BIOS.

For the X8DTU+-6TF+, use the X8DTU+-6TF+ BIOS. For the X8DTU+- 6TF+-LR, use the X8DTU+-6TF+-LR BIOS.

To flash the BIOS, refer to http://www.supermicro.com/products/mother- board/QPI/5500/X8DTU_.cfm?IPMI=Y.

•UDIMM

•Unbuffered ECC/Non-ECC DDR3 1333/1066/800 MHz memory of up to 48 GB memory

DIMM Sizes

• UDIMM 1 GB, 2 GB, and 4GB

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