–90–
4. RAS
4.1 Major System Memory Related to NA and IPU-II Errors
The following shows the major system memory related to NA and T-link errors.
Address Name
Description
%MX254.2.10.2.3
NA BUS error (serious
failure)
Turns on with NA bus disconnection when fail-soft is disabled.
%MX254.2.10.2.5
NA I/O module error
(serious failure)
This turns on when an error occurs to the IPU-II node, which is
connected to the NA, without degeneracy setting (including a
node failure, disconnection of power supply, and stop of
communication due to an IPU-II error).
%MX254.2.10.4.3
NA BUS error (minor
failure)
Turns on with NA bus disconnection when fail-soft is enabled.
%MX254.2.10.4.5
NA I/O module error
(minor failure)
Turns on with an error in a slave T-link station connected to the
NA (including slave station failure, power interruption, and
communication interruption due to a T-link error) when fail-soft is
enabled.
%MX254.2.10.4.11
Break in NA EQ cable
Turns on with a break in the NA EQ cable with the NA
equalization configuration using NA EQ.
%MX254.2.10.52.1
NA BUS configuration
information
(operation/minor failure)
Turns on when the NA connected to the NA BUS is normal or in
the minor failure status.
%MX254.2.10.54.1
NA BUS error information
(serious/minor failure)
Turns on when the NA connected to the NA BUS is in the serious
or minor failure status.
%MW254.2.10.116.1
:
%MW254.2.10.116.6
NA SLOT1 configuration
information
:
NA SLOT6 configuration
information
This turns on when the network card is mounted in SLOT1 and
operation is normal or in the case of minor failure.
:
This turns on when the network card is mounted in SLOT6 and
operation is normal or in the case of minor failure.
%MW254.2.10.117.1
:
%MW254.2.10.117.6
NA SLOT1 error
information
:
NA SLOT6 error
information
This turns on when the network card is mounted in SLOT1 and
operation is normal or in the case of minor failure.
:
This turns on when the network card is mounted in SLOT6 and
operation is normal or in the case of minor failure.
%MW254.2.10.128 to
135
NA SLOT1 I/O station
configuration information
When the T-link I/O station connected to NA SLOT1 is normal or
in the minor failure status, the relevant I/O station No. turns on.
%MW254.2.10.136 to
143
NA SLOT1 I/O station
error information
When the T-link I/O station connected to NA SLOT1 is in the
serious or minor failure status, the relevant I/O station No. turns
on.
%MW254.2.10.144 to
151
NA SLOT2 I/O station
configuration information
When the T-link I/O station connected to NA SLOT2 is normal or
in the minor failure status, the relevant I/O station No. turns on.
%MW254.2.10.152 to
159
NA SLOT2 I/O station
error information
When the T-link I/O station connected to NA SLOT2 is in the
serious or minor failure status, the relevant I/O station No. turns
on.
The bit ON/OFF combinations and NA statuses for NA BUS configuration information (%MX254.2.10.52.1) and error
information (%MX254.2.10.68.1) are as follows.
Configuration
information
Error
information
NA status
OFF
OFF
Does not exist
ON
OFF
Normal
ON ON
Minor
failure
OFF
ON
Serious failure or dropped out
The bit ON/OFF combinations and I/O station statuses for I/O station configuration information (%MW254.2.10.128–, 144–)
and error information (%MW254.2.10.136–, 152–) are as follows.
Configuration
information
Error
information
NA status
OFF
OFF
Does not exist
ON
OFF
Normal
ON ON
Minor
failure
OFF
ON
Serious failure or dropped out
IPU-II
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