User`s guide

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3: L1 and L2 Controller Commands

• Use select subchannel console to set the current console subchannel as

console I/O.

• Use select subchannel <exp> to set the mode of console I/O to the subchannel

speciﬁed for <exp> (possible values for <exp> are 0, 1, 2, 3, or 4).

• Use select subchannel <a|b|c|d> to set the mode of console I/O to a CPU

subchannel (possible CPU subchannel values are a, b, c or d).

• Use select subchannel <str> to set the mode of console I/O to a speciﬁed CPU

subchannel (0, 1, 2, 3, or 4).

• Use select filter <on|off> to enable (on) or disable (off) the console output

ﬁlter.

Used on C-bricks or on server bricks performing the compute function.

serial

Use the following serial command set to view and set the system serial number (SSN)

that is stored in each brick.

• serial

• serial verify

• serial all

• serial dimm

• serial clear

• serial <str> <str> <str> <str>

• serial security on

Use the commands in this set as follows:

• Use serial to view the secure system serial number (SSN) settings stored in the

NVRAM.

• Use serial verify to test the brick’s readiness for secure serial numbering.

• Use serial all to show the brick serial number (BSN) and the SSN settings in

NVRAM.