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Chapter 1
Overview
The AlphaServer GS80 systems form the low end of the family of high-
performance server platforms GS80/160/320 designed for enterprise-level
applications. Like the GS160/320 systems, the GS80 systems are distinguished
by their versatility and high degree of expandability.
This chapter gives an overview of the GS80 system with a block diagram and a
physical diagram. Section 1-4 lists the system and expander cabinets with
their power requirements.
The GS80 system is contained in a single cabinet. It is a drawer-based system
consisting of one or two drawers. Each drawer contains one QBB with up to
four CPU modules and up to four memory modules. In a two-drawer system a
distribution board connects the two QBBs through their global ports.
The system cabinet of the GS80 also contains the power supplies and
accommodates one PCI box, a storage shelf (optional), and the OCP (operator
control panel). An expander cabinet can house additional PCI boxes and
storage shelves.
Overview
1-1
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