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L1 Controller

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Small controller found on SGI Tezro, SGI Origin 300, SGI Origin 3000, SGI Fuel and more recent systems. Environmental monitoring reports errors to this control. Usually has a two line LCD panel connected to that displays output from errors/commands.

From with an IRIX shell L1 commands can be issued. For example:

bash# l1 serial all

The L2 Controller can switch to an L1 controller by specifying the brick and the command "l1"

See also