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SD64 consists of left backplane and right backplane cabinets, which are connected using 12
m-Link cables.
When the PA-RISC dual-core or the Itanium dual-core processors are used, the CPU counts are
doubled by the use of the dual-die processors, as supported on the Intel® Itanium® cell boards.
Up to 128 processors can be supported.
Figure 1-2 Superdome Cabinet Components
Power Subsystem
The power subsystem consists of the following components:
One or two PDCAs
One Front End Power Supply (FEPS)
Up to six BPS
One power board per cell
An HIOB power system
Backplane power bricks
Power monitor (PM) on the Universal Glob of Utilities (UGUY)
Local power monitors (LPM) on the cell, the HIOB, and the backplanes
Power Subsystem 19