8 performance requirements – Intel 440GX User Manual

Page 36

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Motherboard Layout and Routing Guidelines

2-12

Intel

®

440GX AGPset Design Guide

2.3.8

Performance Requirements

Prior to performing interconnect simulations, establish the minimum and maximum flight time
requirements. Setup and hold requirements determine the flight time bounds for the host bus. The
system contains multiple paths which must be considered:

Intel

®

Pentium

®

II processor driving an AGPset component

AGPset component driving a Intel

®

Pentium

®

II processor

Intel

®

Pentium

®

II processor driving a Intel

®

Pentium

®

II processor

(dual processor systems only)

Figure 2-12. GTL+ Design Process

Establish System

Performance

Requirements

(Timing Analysis)

Define Topologies

Perform Pre-Layout

Simulations

(Sensitivity Analysis)

Define Routing Rules

Place & Route Board

Perform Post-Layout

Simulations

(Verification)

Meet

Requirements?

Validate Design

Yes

No

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