Phase #9 - Cpu Writable Register Test; Phase #9 Tests - AT&T 3B2 Off-Line Diagnostic Manual

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Phase Descriptions
Phase #9 - CPU Writable Register Test
Phase Name:
Type:
Function:
Tests:
Time:
Warnings:
Notes:
Phase #9 Tests
CPU Writable Register Tests (cpu_3)
Demand
This phase tests the TimerO internal registers of the INTEL 80186 CPU.
Tests 1 through 17 - check the TimerO Count register.
Tests 18 through 34 - check the TimerO MCA register.
Tests 35 through 51 - check the TimerO MCB register.
Tests 52 through 59 - check the TimerO Mode register.
2 seconds
None
If any test fails, the following hardware may be faulty:
• INTEL 80186 CPU
• INTEL 80186 CPU interface to the ISC Address/Data bus.
Test Numbers: 1 through 17
Function: These tests verify that the TimerO Count register is functional.
Procedure: A valid data pattern is written to the register, and it is verified with a read.
Hardware Tested: The INTEL 80186 CPU TimerO Count register is tested.
Data Returned: The test number that failed, the actual data, and the expected data are returned.
INTELLIGENT SERIAL CONTROLLER DIAGNOSTICS 6-15