Specifications

QSSC-S4R Technical Product Specification Main Board
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2. Main Board
2.1 Introduction
The main board provides most of the basic functions for the system. Nearly all of the boards from the board-set plug
into the main board.
2.1.1 Main Board Block Diagram
Figure 1 Main Board Block Diagram
The main board has the following features:
x Board size: 16.3” x 18.65”
x Intel® 7500 Chipset (Boxboro-EX IOH) and ICH10R components
x Up to four Intel® Xeon® 7500, 6.4 GT/s, 5.86 GT/s and 4.8 GT/s processors support the following features:
x Up to 8-cores and 16-Threads per CPU
x 24MB shared last level cache
x Intel® Turbo Boost Technology
x Four full-width, bi-directional Intel® QuickPath Interconnects (QPI) at 6.4 GT/s, 5.86 GT/s, or 4.8 GT/s.
x Integrated Memory Controller – supports DDR3-800 and 1066 via Intel® 7500 Scalable Memory Buffer (Mill
Brook)
x Socket-LS (LGA 1567)
x Up to two Intel® 7500 Chipsets and ICH10R components
x Intel® 7500 Chipset provides the following: