| .. | .. | 
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| 18 | 18 |   *  Vectors   0 ...  31 : system traps and exceptions - hardcoded events | 
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| 19 | 19 |   *  Vectors  32 ... 127 : device interrupts | 
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| 20 | 20 |   *  Vector  128         : legacy int80 syscall interface | 
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| 21 |  | - *  Vectors 129 ... INVALIDATE_TLB_VECTOR_START-1 except 204 : device interrupts  | 
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| 22 |  | - *  Vectors INVALIDATE_TLB_VECTOR_START ... 255 : special interrupts  | 
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 | 21 | + *  Vectors 129 ... LOCAL_TIMER_VECTOR-1  | 
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 | 22 | + *  Vectors LOCAL_TIMER_VECTOR ... 255 : special interrupts  | 
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| 23 | 23 |   * | 
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| 24 | 24 |   * 64-bit x86 has per CPU IDT tables, 32-bit has one shared IDT table. | 
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| 25 | 25 |   * | 
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