Digital Equipment DECstation 5000/100 Series, Maintenance Manual

Page: 350 / 392

Base System SCSI Controller and Drive Tests
The following entries explain the commands, parameters, and
error messages for each base system SCSI controller and SCSI
drive test.
SCSI Controller Test
The SCSI controller test checks SCSI controller operation.
To run the SCSI controller test, type
t 3/scsi/cntl
and press
Return.
SCSI controller test error messages
SCSI controller test error messages have the form
? TFL: 3/scsi/cntl ( code : description )
?TFL 3/scsi/cntl indicates that the SCSI controller test
failed.
code represents a number that indicates which portion of
the test failed.
description represents additional information that describes
the failure.
Table D-30 lists error descriptions used in SCSI controller test
error messages.
Table D-30. SCSI Controller Error Codes and Descriptions
Error Code and
Description Meaning
(1: rd cnfg) Values written to and read from configuration register did
not match.
(2: fifo flg) First in, first out (FIFO) load and FIFO flags did not
match.
(3: cnt xfr) Write and read operation on TCL register reported a
mismatch.
(4: illg cmd) Command was illegal and did not generate an interrupt.
(5: int reg) Controller cannot clear internal interrupt register.
(6: rd cnfg) Mismatch occurred when reading the write/read
configuration register.
D–58 Base System Test Commands and Messages