Sun Microsystems Sun Fire V440 Diagnostics And Troubleshooting Manual page 213

5. Connect the USB mouse cable to any USB port on the Sun Fire V440 server back
panel.
6. Get to the ok prompt.
For more information, see "How to Get to the ok Prompt" on page 176.
7. Set OpenBoot configuration variables appropriately.
From the existing system console, type:
ok setenv input-device keyboard
ok setenv output-device screen
Note – There are many other OpenBoot configuration variables. Although these
variables do not affect which hardware device is used to access the system console,
some of them affect which diagnostic tests the system runs and which messages the
system displays at its console. For details, see "Controlling POST Diagnostics" on
page 13.
8. To cause the changes to take effect, type:
ok reset-all
Appendix A Configuring the System Console 195