Figure 2–2 Arrangement of the Keyboard LEDs
Power-On Self Test Detailed Description
This section describes the keyboard LED states that result from POST and explains
the meaning of the various states.
TABLE 2–3 Keyboard LED States
LED State Description
Caps Lock is flashing POST is running
Num Lock is ON MLB fails
Scroll Lock is ON MBus module in slot 0 fails
Compose is ON DSIMM in slot J0201 fails
If all POST tests pass, run the SunDiagnostic Executive with the cache disabled. The
SunDiagnostic Executive is an independent operating system. It runs exhaustive
subsystem tests independent of SunOS. See the latest version of SunDiagnostic
Executive User’s Guide for the SPARCstations.
On-Board Diagnostics
You have access to a number of tests called On-board diagnostics. You must enter the
Forth Toolkit to invoke these tests.
14
SPARCstation 10 Service Manual ♦ Revision A, July 1993
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