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=== Altix 3700 ===
 
=== Altix 3700 ===
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The '''Altix 3700''' is a high-end model supporting 16 to 512 processors and 8 GB to 2 TB of memory. It requires one or multiple tall (39U) rack(s). A variant of the Altix 3000 with graphics capability is known as the [[SGI Prism|Prism]].
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The '''Altix 3700''' is a high-end model supporting 16 to 512 processors and 8 GB to 2 TB of memory. It requires one or multiple tall (39U) rack(s). A variant of the Altix 3000 with graphics capability is known as the [[Prism]].
    
It is based on the third generation NUMAflex distributed shared memory architecture and it uses the [[NUMAlink#NUMAlink 3|NUMAlink 3]] interconnection fabric. The Altix 3000 supports a single system image of 64 processors. If there are more than 64 processors in a system, then the system must be partitioned.
 
It is based on the third generation NUMAflex distributed shared memory architecture and it uses the [[NUMAlink#NUMAlink 3|NUMAlink 3]] interconnection fabric. The Altix 3000 supports a single system image of 64 processors. If there are more than 64 processors in a system, then the system must be partitioned.
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The basic building block is the C-brick. Each C-brick contains two nodes. A C-brick is a 4U high rackmount unit. Each node contains two Intel [[Itanium|Itanium 2]] processors which connects to the Super-Bedrock [[Application specific integrated circuit|ASIC]] through a single front side bus. The Super-Bedrock ASIC is a [[crossbar]] for the processors, the local RAM, the network interface and the I/O interface. The two Super-Bedrock ASICs in each brick are connected internally by a single 6.4 GB/s NUMAlink 4 channel. A processor node also contains 16 [[DIMM]] slots that accept standard DDR1 DIMMs with capacities of 4 to 16 GB.
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The basic building block is the C-brick. Each C-brick contains two nodes. A C-brick is a 4U high rackmount unit. Each node contains two Intel [[Itanium|Itanium 2]] processors which connects to the Super-Bedrock ASIC through a single front side bus. The Super-Bedrock ASIC is a [[crossbar]] for the processors, the local RAM, the network interface and the I/O interface. The two Super-Bedrock ASICs in each brick are connected internally by a single 6.4 GB/s NUMAlink 4 channel. A processor node also contains 16 [[DIMM]] slots that accept standard DDR1 DIMMs with capacities of 4 to 16 GB.
    
=== Altix 3700 Bx2 ===
 
=== Altix 3700 Bx2 ===

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