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3 Diagnostic Programs 3.5 System Test
supply mode. In this test item, the user is requires to operate on the screen
prompted.
Below is the parameter dialog window of CPU Speedstep test item:
Speed Change Comparison—When choosing ‘No’, system only reports
the CPU speed at the different power supply. Otherwise, it will compare
the CPU speed at High Speed and Low Speed. Whether the difference
between the two speeds is greater than the value specified in ‘Expected
Minimum Speed Change’, system will report ‘PASS’, otherwise ‘FAIL’.
Expected Minimum Speed Change—Specify the minimum change range
of CPU speeds under High Speed and Low Speed.
7. MMX
The test item is to confirm whether the CPU supports MMX instructions.
Subtest 02 Boards
1. DMA Controller
This test item is to check whether the DMA controller works normally.
2. Interval Timer
This test item is to check whether the Interval Timer (18.2Hz, 55ms) works
normally.
3. Clock/Calendar
This test item is to check whether the system clock/calendar works
normally.
4. PCI System
This test item is to check whether the bus number, device number and
function number in PCI bus are valid.
32 Satellite A60/ Pro A60 Maintenance Manual