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3-2 AlphaServer DS20L User’s Guide
• Performs power-on self-test (POST) of the basic system needed to run
diagnostics (memory, etc.).
• Initializes the system memory.
• Initializes the L2 cache.
• Loads diagnostic firmware used by Hewlett-Packard Customer Services
engineers.
3.1.4 Alpha SRM Console
The Alpha SRM console firmware provides service functions commonly provided
in most computer systems, including the following:
• I/O subsystem initialization
• Operator interface
• OS bootstrap and restart
The SRM console firmware provides Palcode for Tru64 UNIX operating
systems.
Users communicate with the SRM console via the COM1/COM2 serial ports.
SRM console firmware supports the use of the VT-style terminal attached to the
standard serial ports. The SRM console firmware provides a command-line
interface with a single UNIX-like shell that has a simple scripting facility. The
default settings for COM1/COM2 are 9600 baud, 1 stop bit, and no parity.