Chapter 45. Pentium® 4 CPU Arbitration
The Previous Chapter
This chapter introduced the Pentium® 4 FSB. It included:
Enhanced Mode Scalable Bus.
FSB Agents.
The Request Agent.
The Transaction Phases.
Transaction Pipelining.
Transaction Tracking.
This Chapter
This chapter provides a detailed description of how the processors arbitrate for ownership of the FSB. It includes:
The Request Phase.
Logical versus Physical Processors.
No External Arbiter Required.
The Rotating ID.
The Busy/Idle Indicator.
Requesting Ownership.
Definition of an Arbitration Event.
The Next Chapter
This chapter provides a detailed description of how priority agents arbitrate for ownership of the FSB. It includes:
Priority Agent Arbitration—Despotism.
Example Priority Agents.
Priority ...
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