Mpx Module - Silicon Graphics Origin 350 User Manual

2: System Overview

MPX Module

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The memory and PCI expansion (MPX) module is a 2U AC-powered device that has 1
GB to 8 GB of memory and four PCI/PCI-X slots (see Figure 2-11). You can add one MPX
module to a base configuration that contains one base compute module. In a NUMAlink
configuration, you can add up to four MPX modules.
The MPX module also contains an L1 controller that provides the following services:
• Controls and sequences power.
• Controls and monitors the environment.
• Initiates a reset.
• Stores identification and configuration information.
See Chapter 4, "Memory and PCI Expansion (MPX) Module," for more information
about the MPX module.
Front view
Rear view
Figure 2-11

MPX Module

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