120 Sun Fire V890 Server Owner’s Guide • September 2004
The RSC bootmode diag command also provides similar functionality. For more
information, see the Sun Remote System Control (RSC) 2.2 User’s Guide, which is
included on the Sun Fire V890 Documentation CD.
Stop-F Functionality
The Stop-F functionality is not available in systems with USB keyboards. However,
the RSC bootmode forth command provides similar functionality. For more
information, see the Sun Remote System Control (RSC) 2.2 User’s Guide, which is
included on the Sun Fire V890 Documentation CD.
Stop-N Functionality
The Stop-N sequence is a method of bypassing problems typically encountered on
systems with misconfigured OpenBoot configuration variables. On systems with
older keyboards, you did this by pressing the Stop-N sequence while powering on
the system.
On systems with USB keyboards, like the Sun Fire V890, the implementation is
somewhat more cumbersome, and involves waiting for the system to reach a
particular state. For instructions, see “How to Implement Stop-N Functionality” on
page 121.
The drawback of using Stop-N on a Sun Fire V890 system is that, if diagnostics are
enabled, it can take some time for the system to reach the desired state. Fortunately,
an alternative exists: Place the system keyswitch in Diagnostics position.
Placing the system keyswitch in Diagnostics position will override OpenBoot
configuration variable settings, allowing the system to recover to the ok prompt and
letting you correct misconfigured settings.
Assuming you have access to RSC software, another possibility is to use the RSC
bootmode reset_nvram command, which provides similar functionality. For more
information, see the Sun Remote System Control (RSC) 2.2 User’s Guide, which is
included on the Sun Fire V890 Documentation CD.
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