AT&T 3B2 Off-Line Diagnostic Manual page 460

Phase Descriptions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Test Numbers: ' 9 through 11
Function: These tests verify that the Interrupt Request register is functional.
Procedure: Write a valid data pattern to the register, read the register, and compare the
value read with the value that was written.
Hardware Tested: The Interrupt Request register is tested.
Data Returned: Supplemental Data: The value that was written.
Raw Data: The value that was read.
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: Write a valid data pattern to the register, read the register, and compare the
value read with the value that was written.
Hardware Tested: The Interrupt Mask register is tested.
Data Returned: Supplemental Data: The value that was written.
Raw Data: The value that was read.
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: Write a valid data pattern to the register, read the register, and compare the
value read with the value that was written.
Hardware Tested: The Interrupt Priority Mask register is tested.
Data Returned: Supplemental Data: The value that was written.
Raw Data: The value that was read.
Notes: The values written to the register are
OxO, OxOOOl, Ox0002,
and
Ox0004.
9-16 OFF-LINE DIAGNOSTIC MANUAL