[[Image:O300-rack--minnie-2011.jpg|thumb|SGI Origin 300, 4 bricks with PCI-brick, rackmounted]]
[[Image:O300-rack--minnie-2011.jpg|thumb|SGI Origin 300, 4 bricks with PCI-brick, rackmounted]]
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The [[SGI]] Origin 300 was released October 9, 2001 as a mid-range server for technical computing and media applications. An Origin 300 compute node consists of a 2U chassis containing a sysem board with 2 or 4 64-bit [[MIPS]] microprocessors and up to 4GB of local memory, PCI expansion slots, and up to two hard drives. An Origin 300 system consists of 1 to 8 compute nodes with between 2 and 32 processors and 512MB to 32GB of shared memory using cache-coherent [[NUMA]] technology and appearing as a [[single system image]].
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The [[Silicon Graphics]] Origin 300 was released October 9, 2001 as a mid-range server for technical computing and media applications. An Origin 300 compute node consists of a 2U chassis containing a sysem board with 2 or 4 64-bit [[MIPS]] microprocessors and up to 4GB of local memory, PCI expansion slots, and up to two hard drives. An Origin 300 system consists of 1 to 8 compute nodes with between 2 and 32 processors and 512MB to 32GB of shared memory using cache-coherent [[NUMA]] technology and appearing as a [[single system image]].
The Onyx 300 Graphics System was created by combining Origin 300 compute nodes with an Infinite Reality graphics module and other NUMAlinked components.
The Onyx 300 Graphics System was created by combining Origin 300 compute nodes with an Infinite Reality graphics module and other NUMAlinked components.
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== Memory subsystem ==
== Memory subsystem ==
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Memory in the Origin 300 is organized into two banks of two [[DIMM]]s each, resulting in a memory capacity from 512 MBytes to 4 Gbytes total for each brick. The DIMMS used are compatible with those used in the [[Fuel]], [[Origin 3000]], [[Origin 350]], and the [[Tezro]].
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Memory in the Origin 300 is organized into two banks of two [[DIMM]]s each, resulting in a memory capacity from 512 MBytes to 4 Gbytes total for each brick. The DIMMS used are compatible with those used in the [[SGI Fuel]], [[SGI Origin 3000]], [[SGI Origin 350]], and the [[SGI Tezro]].