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{{OSFaq|IDT}}
 
The '''Interrupt Descriptor Table''' ('''IDT''') is specific for the <tt>I386</tt> architecture. It is the [[protectedProtected modeMode]] counterpart to the [[realReal modeMode]] Interrupt Vector Table ([[IVT]]) telling where the [[interruptInterrupt serviceService routineRoutines]]s (ISR) are located. It is similar to the [[Global Descriptor Table]] in structure.
 
The IDT entries are called gates. It can contain Interrupt Gates, Task Gates and Trap Gates.
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