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Chapter 3
3. System Overview
This chapter provides an overview of the physical and architectural aspects of your SGI UV 2000
series system. The major components of the SGI UV 2000 series systems are described and
illustrated.
The SGI UV 2000 series is a family of multiprocessor distributed shared memory (DSM)
computer systems that can scale from 16 to 2,048 Intel processor cores as a cache-coherent single
system image (SSI). Future releases may scale to larger processor counts for single system image
(SSI) applications. Contact your SGI sales or service representative for the most current
information on this topic.
In a DSM system, each processor board contains memory that it shares with the other processors
in the system. Because the DSM system is modular, it combines the advantages of lower
entry-level cost with global scalability in processors, memory, and I/O. You can install and
operate the SGI UV 2000 series system in your lab or server room. Each 42U SGI rack holds one
to four 10-U high enclosures that support up to eight compute/memory and I/O sub modules
known as “blades.” These blades contain printed circuit boards (PCBs) with ASICS, processors,
memory components and I/O chipsets mounted on a mechanical carrier. The blades slide directly
in and out of the SGI UV 2000 IRU enclosures.
This chapter consists of the following sections:
• “System Models” on page 37
• “System Architecture” on page 39
• “System Features” on page 41
• “System Components” on page 46
Figure 3-1 shows the front view of a single-rack SGI UV 2000 system.
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