Toshiba Satellite L300 Maintenance Manual page 101

3 Diagnostic Programs
5. CPU Protected Mode Test
6. MMX
Subtest 02 Boards
1. DMA Controller
2. Interval Timer
3. Clock/Calendar
4. PCI System
5. Plug and Play
Satellite L300D,Satellite Pro L300, EQUIUM L300,SATEGO L300 Maintenance Manual
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This test item is to check whether CPU protected mode instruction works
normally.
The test item is to confirm whether the CPU supports MMX instructions.
This test item is to check whether the DMA controller works normally.
This test item is to check whether the Interval Timer (18.2Hz, 55ms) works
normally.
This test item is to check whether the system clock/calendar works
normally.
This test item is to check whether the bus number, device number and
function number in PCI bus are valid.
3.5 System Test