Intel SL22T Specifications download pdf (Page 5)

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INTRODUCTION

1.4 REFERENCES

• Intel

64 and IA-32 Architectures Software Developer’s Manual (in five volumes)

http://developer.intel.com/products/processor/manuals/index.htm

• Intel Virtualization Technology for Directed I/O, Rev 1.1 specification

http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direc

t_IO.pdf

• Detecting Multi-Core Processor Topology in an IA-32 Platform

http://www3.intel.com/cd/ids/developer/asmo-na/eng/recent/275339.htm

• The ACPI 4.0 specification

http://www.acpi.info/spec.htm

APIC ID

A unique ID that can identify individual agent in a platform (or clustered

configuration). The maximum bit-width supported is 8 bit, versus 32 bits

in x2APIC.

local xAPIC ID

The value configured in the local APIC ID register in xAPIC mode. This is an

8-bit value for xAPIC, and x2APIC in xAPIC mode. Because this is used to

specify a target destination in physical delivery mode, it is also referred to

as physical xAPIC ID. The processor initializes local xAPIC ID.

physical xAPIC ID See “local xAPIC ID”.

logical xAPIC ID

The APIC ID value that specifies a target processor to receive interrupt

delivered in logical destination mode in a local xAPIC. See documentation

on logical destination register (LDR) in Section 2.4.2. This is an 8-bit value.

Logical xAPIC ID is not initialized by hardware.

initial APIC ID

The value reported by CPUID.01H:EBX[31:24]. Initial APIC ID is initialized

by hardware.

x2APIC ID

The 32-bit value in the local APIC ID register defined by the x2APIC

architecture. The value is initialized by hardware and can be accessed via

RDMSR in x2APIC mode. It is also reported by CPUID.0BH:EDX. Application

can query CPUID.0BH:EDX in user mode without RDMSR.

logical x2APIC ID

The APIC ID value that specifies a target processor to receive interrupt

delivered in logical destination mode in a local x2APIC. This is a 32-bit

value initialized by hardware.

RsvdZ Reads of reserved bits return zero

Table 1-1. Description of terminology

Term Description

1 2 3 4 5 6 7 8 9 10 ... 34 35

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