and off (no testing). The system runs the appropriate level of diagnostics based on
the setting of the OpenBoot PROM variable diag-level.
The default setting for diag-level is min.
If your server is set up without a localconsole or terminal, you will need to set up a
monitor,console, or terminal before setting the diagnostic level. See Section 2.10
“About Communicating With the Server” onpage 73.

7.7.2 What to Do

Note - Perform this procedure with the power on and the keyswitchset to the
Power-On/Off position.
1. With the keyswitch in the Power-On/Off position, press the Break key on your
alphanumeric terminal’s keyboard, or enter the Stop-a sequence on a Sun
keyboard.
Toenter the Stop-a sequence, press the Stop key and the a key simultaneously.
The ok prompt is displayed.
2. To set the diag-level variable, type the following:
ok setenv diag-level value
The value can be off,min,ormax. See Section 7.5.2 “Configuration Variable”on
page 194 for information about each setting.
7.8 About SunVTS Software
SunVTSTM, the Sun Validationand Test Suite, is an online diagnostics tool and system
exerciser for verifying the configuration and functionality of hardwarecontrollers,
devices, and platforms. You can run SunVTS using any of these interfaces: a
command-line interface, a TTY interface, or a graphical interface that runs within a
windowed desktop environment.
SunVTS software lets you view and control a testing session over modem lines or
over a network. Using a remote system, you can view the progressof a SunVTS
testing session, as well as change testing options and controlall testing features of
another system on the network.
206 Sun Enterprise 220R Server Service Manual ♦January 2000, Revision A