Data General AViiON 4600 Series, Customer Documentation

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Starting and Stopping the Computer System
3-7
014–002091
Systems Without Preloaded DG/UX
If you did not order DG/UX with your computer unit (you intend to run a different
operating system, or operate the computer as a client of another operating system
server), the automatic boot process will fail.
When the automatic boot sequence fails to boot the DG/UX installer operating system,
the System Control Monitor (SCM) displays this message:
Unable to load bootfile
sd(ncsc(),0)root:/dgux.installer –i
Your system will then display the SCM prompt:
SCM>
You have not failed the firmware powerup; your system has simply failed to boot the
DG/UX installer operating system. Proceed now to your operating system
documentation for installation instructions.
For information about the SCM configuration menus, refer to Chapter 5. You can use
these menus to change the asynchronous port labeled RS232 ĆBĆ, display console,
mouse, or keyboard configuration parameters. Once your operating system is
installed, you can usean SCM menu to changethedefault boot path to that of your
configured operating system; it will then come up automatically in subsequent
powerups.
To run a diagnostics acceptance test, refer to the instructions in the manual Using
AViiON

System Diagnostics . When you finish running diagnostics, proceed to your
operating system documentation for installation instructions.