Sun Microsystems SPARCstation 4 110 Service Manual page 30

If the auto-boot? parameter is set to true (the default), the system boots a
standalone program. To determine which program and device to boot from, the
system checks the diag-switch? NVRAM parameter.
effect of the auto-boot? and diag-switch? parameters.
TABLE 2-2
auto-boot?
false
true
true
1. The boot parameters represented here are default settings. The defaults may be changed by following
the procedures listed in the OpenBoot Command Reference.
Once the operating system is running, you can invoke the SunDiag™ System
Exerciser if further diagnostic testing is warranted. Refer to Section 2.7 "SunDiag
System Exerciser" on page 2-11, for additional information.
To boot user-specified programs, you must be at the > prompt or ok prompt. See
Appendix D for a detailed procedure on how to access the > or the ok prompt.
2-6 SPARCstation 4 Model 110 Service Manual • July 1996
Summary of Autoboot and Diagnostic Switch Parameter
diag-switch?
false or true
false
true
summarizes the
TABLE 2-2
1
Settings
Result
> or ok prompt
Boot operating system from
device alias "disk" or "net"
Boot operating system from
device alias "net"