User`s guide

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Chapter 2
2. Using the L1 and L2 Controllers
This chapter describes how to use the L1 and L2 controllers to monitor and manage the
SGI Origin 3000 series servers, SGI Origin 300 servers, SGI Origin 300 servers with
NUMAlink, SGI Altix 350 systems, SGI Altix 3000 family of servers and superclusters,
SGI Onyx 3000 graphics systems, and SGI Onyx 300 graphics systems in the following
sections:
• “Monitoring Feedback and Entering Commands” on page 6
• “Operating the L2 Controller” on page 6
• “Operating the L1 Controller” on page 18
• “Upgrading L1 and L2 Firmware” on page 28
• “Identifying Bricks” on page 29
• “Status and Error Messages” on page 31
Note: All L2 controller commands can be used with all devices, however, you may find
that some specific examples of using L2 controller commands in this chapter are not
applicable to your device.
Note: Most, but not all, of the L1 controller commands can be used with all devices. You
may also find that some specific examples using L1 controller commands in this chapter
may show components not applicable to your device, but this does not indicate that these
commands cannot be used to monitor and manage your device.