Toshiba TECRA S1 Manuale Utente

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3  Diagnostic Programs 
3.5 System Test 
28 
TECRA S1Maintenance Manual 
Expected CPU Speed--Specify the expected CPU Speed value you want 
for further comparison. 
3. Coprocessor 
  NPU Basic Functions Test 
This test item is to check whether the precision of the numeric processor in 
the float calculation is up to the IEEE standards. 
  NPU Interrupt Test 
This test item is to check whether NPU transfers the abnormal Interrupt 
program correctly by forcing an abnormal float. 
4. CPU Information 
This test item is used for getting & showing CPU Information. It will be 
displayed as follows: 
 
5.  CPU Protected Mode Test 
This test item is to check whether CPU protected mode instruction works 
normally. 
6.  Speedstep 
Speedstep is a kind of energy-saving running mode that is supported by the 
Pentium III or above. It will work at full speed with the AC power, and will 
drop the speed without the AC power. 
This test item is to check whether the CPU supports Speedstep function 
according to the change of the CPU work frequency in different power