Compaq AlphaServer ES45 1B Owner's Manual page 51

The console is started on the secondary CPUs. The example shows a four-
processor system.
Various diagnostics are performed.
The console terminal displays the SRM console banner and the prompt,
Pnn>>>. The number n indicates the primary processor. In a multiproces-
sor system, the prompt could be P00>>>, P01>>>, P02>>>, or P03>>>.
From the SRM prompt, you can boot the operating system.
Operation 2-9