Architecture (SX2000 Version)
The architecture of the SX2000 is highly similar at first glance compared to the SX1000, however it has quite a few design differences.
- The hardware clock has been moved from the power-board to the backplane and doubled up for redundancy and greater quality.
- The SX2000 introduced PCI-Express card cages (retaining support for PCI-X 2.0). Maximum of 192 external slots are possible.
- All connections have been changed to high speed serial (HSS) connections for greater speed and greater redundancy.
- Three crossbars compared to two crossbars in each quadrant (per four cells) for greater speed.
Similarly to both Legacy and SX1000 setups, SX2000 can be:
- 16-way (four cellboards and two IO-cages can be used)
- 32-way (eight cellboards and four IO-cages can be used)
- 64-way (expands the one cabinet to two-cabinet complex, with 16 cells and eight IO-cages)
Read more about this topic: HP Superdome
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