Running System Diagnostics; Running Rom-Based Diagnostics - DEC 4000 AXP Service Manual

Running System Diagnostics

This chapter provides information on how to run system diagnostics.
• Section 3.1 describes how to run ROM-based diagnostics, including error
reporting utilities, and loopback tests.
• Section 3.2 describes how to run DSSI internal device tests.
• Section 3.3 describes the DEC VET verifier and exerciser software.
• Section 3.4 describes how to run UETP environmental test package software.
• Section 3.5 describes acceptence testing and initialization procedures.

3.1 Running ROM-Based Diagnostics

DEC 4000 AXP ROM-based diagnostics (RBDs), which are part of the console
firmware that is loaded from the FEPROM on the I/O module, offer many
powerful diagnostic utilities, including the ability to examine error logs from the
console environment and run system- or device-specific exercisers.
Unlike previous systems, DEC 4000 AXP RBDs rely on exerciser modules,
rather than functional tests to isolate errors. The exercisers are designed to run
concurrently, providing a maximum bus interaction between the console drivers
and the target devices.
The multitasking ability of the console firmware allows you to run diagnostics in
the background (using the background operator ''&'' at the end of the command).
You run RBDs by using console commands.
RBDs can be separated into four types of utilities:
1. System or device diagnostic test/exercisers using the
(Section 3.1.1).
The test command is the primary diagnostic for acceptance testing and
console environment diagnosis.
test command
Running System Diagnostics 3–1
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