Intel Pentium 4 User Manual

Introduction
R
16 Intel
®
Pentium
®
4 Processor / Intel
®
850 Chipset Family Platform Design Guide
Revision History
Rev Description Date
-001 • Initial revision. August 2001
-002 • Added ICH2 RTC Section 9.8.8 Power-well Isolation Control
• Added ICH2 RTC Section 9.8.9 Power Supply PS_ON Considerations
• Replaced ICH2 LAN Figure 121 Trace Routing
• Added ICH2 LAN Section 9.9.5 82562ET/EM Disable Guidelines
• Added ICH2 LAN Section 9.9.6 82562ET/82562EH Dual Footprint
Guidelines
• Added ICH2 Section 9.10 FWH Guidelines
• Updated ICH2 Section 12.6 ICH2 5VREF and Vcc3.3 Sequencing
Requirement
• Updated ICH2 Schematic Checklist Section 15.7.12 RTC
• Updated processor VCCVID recommendations – includes design guide
and schematic update.
• Updated processor TESTHI pin recommendations.
• Updated BCLK[1:0] frequency strapping recommendations.
• Clarified requirements for pull-ups on VID[4:0].
• Updated processor system bus topologies for RESET# and BR0#.
January 2002
-003 • Revised paragraph 3 in Section 12.6 ICH2 V5REF and VCC3_3
Sequencing Requirement
• Revised APIC in Section 15.7.6 Interrupt Interface in the Schematics
Checklist
• Revised V5REF_SUS in Section 15.7.15 Power in the Schematics
Checklist
• Revised ‘Other Recommendations’ in Section 11.4, Filter
Specifications for VCCA, VCCIOPLL, and VSSA
February 2002
-004 • Editing/formatting throughout for clarity
• Combined Chapters 1, 2, 3, and 4 into the Introduction Chapter.
March 2002
-005 • Renamed to 850 chipset family
• Added 82850E / 533MHz system bus design guidelines
• Added 4 Layer guidelines
May 2002
-006 • Added 82850E 533MHz (PC1066) RDRAM guidelines:
• Revised Table 22 in Rambus Signaling Levels in Section 6.1.1
• Added Differential Clock Guidelines for Stripline and Microstrip in
Section 6.1.2.3
• Added Direct RDRAM Reference Voltage in Section 6.1.4
• Added Section 6.1.8, RDRAM Channel Margin Improvement
• Added Section 6.1.9, 533 MHz (PC1066) RIMM Thermal Consideration
• Revised Section 15.6, Rambus RIMM* Connector Checklist
Oct 2002
-007 • Added FMB2 design guidelines into Section 11 Jan 2003
-008 • Separated FMB1 and FMB2 design guidelines Jan 2003

Intel Pentium 4 Specifications

General

Brand	Intel
Model	Pentium 4
Category	Computer Hardware
Language	English