Local APIC Enhancements
The following enhancements were made to the processor's Local APIC:
An entry was added to the Local Vector Table (see Figure 56-10 on page 1339) for the Thermal Sensor interrupt. Refer to “The Local Vector Table” on page 1539 and “The Thermal Sensor Interrupt” on page 1548.
The APIC ID register was enhanced (see “The Local APIC ID” on page 864 and “APIC ID Assignment” on page 1514 for additional information). For the P6 and Pentium®, the APIC ID field is 4 bits, and encodings 0h through Eh can be used to uniquely identify 15 different processors connected to ...
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