AT&T 3B2 Off-Line Diagnostic Manual page 686

Phase Descriptions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Test Numbers: . 118 through 134
Function: These tests verify that the Timer2 Count 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 Timer2 Count register is tested.
Data Returned: Supplemental Data: The value written is returned.
Raw Data: The value read is returned.
Notes: The values written to the register are OxOOOO and walk a one through a field of
16 zeros.
Test Numbers: 135 through 151
Function: These tests verify that the Timer2 MCA 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 Timer2 MCA register is tested.
Data Returned: Supplemental Data: The value written is returned.
Raw Data: The value read is returned.
Notes: The values written to the register are OxOOOO and walk a one through a field of
16 zeros.
Test Numbers: 152 through 155
Function: These tests verify that the Timer2 Mode 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 Timer2 Mode register is tested.
Data Returned: Supplemental Data: The value written is returned.
Raw Data: The value read is returned.
Notes: The values written to the register are OxOOOO, OxOx0020 OxOx2000, and
Oxc001 - read Ox8021.
16-14 OFF-LINE DIAGNOSTIC MANUAL