Chapter 2 Troubleshooting Overview 2-9
2.7 Sundiag System Exerciser
Use the Sundiag System Exerciser to determine real-time use of system resources
and peripheral equipment such as Desktop Storage Modules and External Storage
Modules. The Sundiag System Exerciser verifies that the system is functioning
properly. For information about how to use the Sundiag System Exerciser, see the
Sundiag User’s Guide.
If Sundiag passes, the system is operating properly. If Sundiag fails, the error
messages should indicate the part of the system that has failed. If the error messages
are not descriptive enough, you may need to run POST or the SunDiagnostic
Executive.
Note – The Sundiag System Exerciser is not applicable to the SPARCclassic X
terminal.
2.8 Forth Toolkit
The Forth Toolkit is a basic diagnostic utility and system interface. If there is any
problem with your operating system, the Forth Toolkit automatically starts, as
indicated by the appearance of the ok prompt.
You can also choose to access the Forth Toolkit by halting the system. For
information on how to access the Forth Toolkit, see Appendix C “On-Board
Diagnostics.”
test tape
test tape0
test tape1
Tests the SCSI tape drive by executing the drive self-test program. (tape and tape0 =
SCSI target 4, tape1 = SCSI target 5.)
test ttya
test ttyb
Test outputs an alphanumeric test pattern on the system serial ports. (ttya = serial port
A, ttyb = serial port B.) You must attach a terminal to the tested port to observe the
output.
test keyboard This test executes the keyboard self-test. The four LEDs on the keyboard should flash on
at once, and this message is displayed: Keyboard Present.
TABLE 2-4 On-Board Diagnostics (Continued)
Test Description and Requirements
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