System Control - Silicon Graphics SGI Altix 3700 Bx2 User Manual

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007-4377-002
Chapter 2

System Control

This chapter describes the interaction and functions of system controllers in the
following sections:
• "Levels of System Control" on page 17
• "System Controller Interaction" on page 18
• "L1 Controller" on page 20
• "Console Hardware Requirements" on page 24
• "Operating the L1" on page 25
• "L2 Emulator Operation" on page 33
• "Upgrading L1 Firmware" on page 43
The control system for the SGI Altix 3700 Bx2 series servers manages power control and
sequencing, provides environmental control and monitoring, initiates system resets,
stores identification and configuration information, and provides console/diagnostic
and scan interface.
Figure 2-1 shows an example system control network using an optional SGIconsole and
separate (remote) workstation to monitor a single-rack Altix 3700 Bx2 system.
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