Digital Equipment VAXstation 3100 Maintenance Manual page 235

214 Power-Up and Self-Test Error Codes
The second line of six codes under the DZ error code contains the status of
each serial line as well as the status of the keyboard and mouse. This second
line of status codes is provided so a failing serial line can be isolated. The
status codes in the second line have the following format:
OOOOWWWW OOOOWWWW OOOOHWWW OOOOHWWW YYYYYYYY ZZZZZZZZ
line 0 line 1 line 2 line 3 keyboard mouse
Where WWWW is one or more of the status codes listed in Table E-6,
YYYYYYYY is the keyboard internal self-test code listed in Table E-7, and
ZZZZZZZZ is the mouse or tablet internal self-test code listed in Table E-8.
Table E-5 Serial Line Controller (0000.XXXX)
Error Codes
0001
0002
0004
0008
0010
0020
0040
0080
0100
0200
0400
0800
1000
2000
4000
8000
Deflnltlon
No error
Master reset failed
Failure in basic CSR test
Failure in
CSR
read write test
Basic test of TCR failed
Read write test of TCR foiled
Transmitter ready test failed
Receiver ready test failed
Transmitter interrupt timeout
Receiver interrupt timeout
Either transmitter or receiver interrupted at the wrong priority.
Receiver interrupt occurred when the receiver was not enabled.
Data comparison error
Overrun error did not happen.
This line is untested.
Error in the modem control logic test.