2-8 SPARCstation 5 Model 110 Service Manual • November 1996
2.4 Power-On Self-Test
For information about the POST, see Chapter 3.
2.5 FORTH-Based PROM Diagnostics
For information about how to run the FORTH Diagnostics, see Appendix D.
TABLE 2-4 lists specific on-board diagnostic tests for SPARCstation 5 systems.
TABLE 2-4 Selected FORTH Diagnostic Tests
Type of Test Description Preparation When to Use
test screen Tests the system video graphics
hardware and monitor.
The diag-switch? NVRAM
parameter must be set to
true.
See description.
test floppy Tests the floppy drive response to
commands.
Insert a formatted diskette
into the drive.
See description.
test scsi Tests the SCSI interface logic on
the system board.
The diag-switch? NVRAM
parameter must be set to
true.
See description.
test net-aui Performs an internal and an
external loopback test on the AUI
(Thick) Ethernet interface.
A cable must be connected to
the system AUI Ethernet port
and to an Ethernet tap or the
test will fail the external
loopback phase.
See description.
test net-tpe Performs an internal and an
external loopback test on the
twisted-pair Ethernet (TPE)
interface.
A cable must be connected to
the system TPE port and to a
TPE hub or the test will fail
the external loopback phase.
If the tpe-link-test?
parameter is false
(disabled), the external
loopback test will appear to
pass even if a cable is not
connected.
See description.
test net Performs an internal and an
external loopback test on the auto-
selected system Ethernet interface.
A cable must be attached to
the system and to an Ethernet
tap or hub or the external
loopback test will fail.
See description.
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