3.5 System Test 3 Diagnostic Programs
TECRA S1Maintenance Manual 29
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 ‘No’ is chosen, system only reports
the CPU speed at the different power supply. Otherwise, it will compare
the CPU speed at AC power supply with that at DC power supply. 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 AC and DC power supply.
7. MMX
The test item is to confirm whether the CPU supports MMX instructions.
Subtest 02 Board
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. Speaker