2-1
2
2Operating Instructions
Overview
This chapter provides operating instructions for the MVME240x. This
includes information about powering up the system, and functionality of
the switches, status indicators, and I/O ports on the front panels of the
MVME240x and PMCspan modules.
Applying Power
After you have verified that all necessary hardware preparation has been
done, that all connections have been made correctly, and that the
installation is complete, you can power up the system. The MPU,
hardware, and firmware initialization process is performed by the PPCBug
firmware power-up or system reset. The firmware initializes the devices on
the MVME240x module in preparation for booting the operating system.
The firmware is shipped from the factory with an appropriate set of
defaults. In most cases there is no need to modify the firmware
configuration before you boot the operating system. Refer to Chapter 6,
Environment Modification for further information about modifying
defaults.
The following flowchart in Figure 2-1 shows the basic initialization
process that takes place during MVME240x system start-ups.
For further information on PPCbug, refer to the following items:
❏ Chapter 5, PPCBug
❏ Appendix C, Troubleshooting
❏ PPCBug documentation listed in Appendix D, Related
Documentation.
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