Branch Prediction Patch Management Guideline

Branch Prediction Patch Management 2.0 05/05/03
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Running DIAG2 Interactively
To run the DIAG2 program in interactive mode, at the TACL prompt, enter this
command as the super ID:
DIAG2 / CPU number /
CPU number
is the number of the processor to which the command applies. The processor in
which DIAG2 runs is the processor affected by the command.
From the menu displayed, enter the number for one of these options:
Option 1:
Display the current state of the patch (active, not active, or not needed by the
processor).
Option 2:
Display the version of the Boot Millicode product, T7892, running in the selected
processor. (This option is available only on systems running release version
update (RVU) G06.09 or later versions of the NonStop Kernel.)
Option 3:
Make the patch active and display the state of the patch to verify that the patch is
active.
Option 4:
Make the patch inactive and display the state of the patch to verify that the patch
is inactive.
Running DIAG2 Without Interaction
To run DIAG2 in non-interactive mode, at the TACL prompt, enter this command as the
super ID:
DIAG2 / CPU number / param
CPU number
is the number of the processor to which the command applies. The processor in
which DIAG2 runs is the processor affected by the command.