2.1 Diagnostic Overview
The <REFERENCE>(6000) systems are tested with two types
of diagnostics: ROM-based and loadable. The ROM-based
diagnostics (RBD) include self-tests, additional power-up
tests, and callable diagnostics (from the RBD monitor).
The loadable diagnostics run under the VAX Diagnostic
Supervisor (VAX/DS) in standalone mode or in user mode
(see Figure 2–1).
Figure 2–1: Diagnostics Design
Self-test
Additional Power-up Test
VAX Diagnostic Supervisor, standalone (VAX/DS)
VAX Diagnostic Supervisor, user mode (VAX/DS)
msb-0182-90
Operator-Invoked Diagnostics
Loadable
ROM-Based
Diagnostics
(RBDs)
2–2 VAX 6000 Models 300 and 400 Service Manual
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