CrayLink connections between Origin 2000s

[Joost van de Griek]

> Sounds like an ordinary (for SGI types of ordinary) Onyx2.  That has the 
> framebuffer hardware in the upper module, and CPUs in the lower; one 
> framebuffer module per machine, but up to 7 (IIRC) CPU modules in 
> multi-rack configurations.

Seven CPU modules is unpossible. The (hyper)cube topology nust be maintained, so you can only expand a machine by doubling the number of modules connected together. Powers of two.

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