Digital Equipment DECstation 5000/100 Series, Maintenance Manual

Page: 340 / 392

Ethernet Station Address ROM (ESAR) Test
The Ethernet station address ROM (ESAR) test checks the
ESAR on the Ethernet controller. To run the ESAR test, type
t 3/ni/esar
and press Return.
ESAR test error messages
ESAR test error messages have the form
?TFL: 3/ni/esar ( code : description )
?TFL: 3/ni/esar indicates that the ESAR test reported a
problem.
code
represents a number that identifies which portion of
the test failed.
description represents additional information that describes
the failure.
Table D-23 lists error codes and descriptions used in ESAR test
error messages.
Table D-23. ESAR Test Error Codes and Descriptions
Error Code and Description Meaning
(2: ESAR[0-5] = 0’s) First 6 bytes of the ESAR were all zero.
(3: ESAR[0] = brdcst-sdrs) ESAR contained broadcast address.
(5: checksum) ESAR checksum verification failed.
(7: rvrs cpy !=) Reverse copy mismatch occurred.
(8: frwrd cpy !=)) Forward copy mismatch occurred.
(9: ESAR[24-28] !=FF) Test pattern FF mismatch occurred.
(10: ESAR[25-29] !=00) Test pattern 00 mismatch occurred.
(11: ESAR[26-30] =55) Test pattern 55 mismatch occurred.
(12: ESAR[27-31] !=AA) Test pattern AA mismatch occurred.
D–48 Base System Test Commands and Messages