Toshiba Dynabook Vx/4, Maintenance Manual

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3 Diagnostic Programs 3.5 System Test
CPU Speed Comparison --Whether you want to make a comparison of the
CPU speed with the value set in ‘Expected CPU Speed’, you should choose
‘Yes’; otherwise, ‘No’.
Expected CPU Speed --Specify the expected CPU Speed value you want
for further comparison.
3. Coprocessor
9 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.
9 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
32 Satellite M40/M45 TECRA A4 Dynabook Vx/4 Maintenance Manual