Intel SGI Altix 450 - Manual (Page 117)

L2 Operation
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To power on or power off a specific IRU, specify a current destination:
L2> r 2 s 5 power up
L2>
To power on or power off all IRUs in a partition, enter the following:
L2> partition <partition number> <power up or power down>
To reset the system, enter the following:
L2> reset
L2>
This command restarts the system by resetting all registers to their default settings and rebooting
the system controllers. Resetting a running system will cause the operating system to reboot and
all data in memory will be lost.
Console Mode from the L2
In console mode, all output from the system is visible and all input is directed to the system.
To enter console mode from L2, press Ctrl+D at the L2 prompt and observe the response:
L2> Ctrl+D
entering system console mode (001c01 console0),
to escape to L2
.
.
To return to L2 mode from console mode, press Ctrl+T:
Ctrl+T
escaping to L2 system controller
L2>
At this point, you can enter any L2 or L1 command. When the command completes, the L2 returns
to console mode:
Re-entering system console mode (001c01 console0),
to escape to L2
To permanently engage the L2 mode, press Ctrl+T and then enter the l2 command: