AT&T 3B2 Off-Line Diagnostic Manual page 512
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Also See for 3B2:
- Maintenance reference manual (422 pages) ,
- Operation manual (415 pages) ,
- Manual (54 pages)
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Phase Descriptions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Test Numbers:
9 through 11
Function:
These tests verify that the Interrupt Request register is functional.
Procedure:
A valid data pattern is written to the register, and then the register is read and
verified.
Hardware Tested:
The Interrupt Request register is tested.
Data Returned:
The number of the test that failed, the actual data, and the expected data are
returned.
Notes:
The values written to the register are OxO, Ox0004, and Ox0008.
Test Numbers:
12 through 20
Function:
These tests verify that the Interrupt Mask register is functional.
Procedure:
A valid data pattern is written to the register, and then the register is read and
verified.
Hardware Tested:
The Interrupt Mask register is tested.
Data Returned:
The number of the test that failed, the actual data, and the expected data are
returned.
Notes:
The values written to the register are OxO, OxOOOl, Ox0004, Ox0008, OxOOl0,
Ox0020, Ox0040, Ox0080, and OxOl00.
Test Numbers:
21 through 23
Function:
These tests verify that the Interrupt Priority Mask register is functional.
Procedure:
A valid data pattern is written to the register, and then the register is read and
verified.
Hardware Tested:
The Interrupt Priority Mask register is tested.
Data Returned:
The number of the test that failed, the actual data, and the expected data are
returned.
Notes:
The values written to the register are OxO, OxOOOl, Ox0002, and Ox0004.
Test Numbers:
24 through 28
Function:
These tests verify that the Interrupt Status register is functional.
Procedure:
A valid data pattern is written to the register, and then the register is read and
verified.
Hardware Tested:
The Interrupt Status register is tested.
Data Returned:
The number of the test that failed, the actual data, and the expected data are
returned.
Notes:
The values written to the register are OxO, OxOOOl, Ox0002, Ox0004, and Ox8000.
The Interrupt/Status register cannot be tested if run under the diagnostic
monitor.
11-18 OFF-LINE DIAGNOSTIC MANUAL
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