5-2 Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual • December 2004
5.2 Obtaining the ok Prompt for Testing
When the Sun Blade 1500 workstation is put into run level state 0, the ok prompt is
displayed. At the ok prompt, you can make changes to the NVRAM and conduct
OpenBoot PROM tests.
TABLE 5-1 lists methods for obtaining the ok prompt, listed
from most preferred to least desirable.
Caution – The Stop-A key sequence causes a system abort which loses the system
state and might corrupt file systems. Method 1 is the preferred procedure.
TABLE 5-1 Methods for Obtaining the ok Prompt
Method Situation Procedure
1 Operating system is
functioning normally. You have
superuser access.
1. Save all data and close all active applications.
2. Become superuser of the system.
3. Type: # init 0
2 Operating system is
functioning normally. You do
not have superuser access.
1. Save all data and close all active applications.
2. Momentarily press and release the front panel Power button.
3. Select Shutdown from the Power Off window (if a GUI is
displayed).
4. In a few moments, the system powers off.
5. Momentarily press and release the front panel Power button to
power the system back on.
6. When the power LED flashes, press the Power button twice
quickly.
3 System is off. 1. Momentarily press and release the front panel Power button to
power the system back on.
2. When the power LED flashes, press the Power button twice
quickly.
4 Operating system is not
functioning normally. You can
log in as superuser remotely.
Type: # init 0
5 System has just been powered
on.
When the Power LED flashes, press the Power button twice
quickly.
6 No other alternatives are
available.
Press the Stop and A keys simultaneously. The Stop-A key
sequence causes a system abort which loses the system state and
might corrupt file systems. Method 1 is the preferred procedure
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