Datasheet

6 Datasheet
Contents
Tables
1-1 References ................................................................................................................................. 11
2-1 Core Frequency to FSB Multiplier Configuration ........................................................................14
2-2 Voltage Identification Definition ..................................................................................................16
2-3 FSB Signal Groups.....................................................................................................................19
2-4 Signal Characteristics.................................................................................................................20
2-5 Signal Reference Voltages.........................................................................................................20
2-6 BSEL[2:0] Frequency Table for BCLK[1:0].................................................................................21
2-7 Processor DC Absolute Maximum Ratings ................................................................................22
2-8 Voltage and Current Specifications ............................................................................................23
2-9 VCC Static and Transient Tolerance for 775_VR_CONFIG_04A Processors ........................... 24
2-10VCC Static and Transient Tolerance for 775_VR_CONFIG_04B Processors ........................... 25
2-11 GTL+ Asynchronous Signal Group DC Specifications ..............................................................27
2-14VTTPWRGD DC Specifications..................................................................................................28
2-12GTL+ Signal Group DC Specifications .......................................................................................28
2-13PWRGOOD and TAP Signal Group DC Specifications.............................................................. 28
2-15BSEL [2:0] and VID[5:0] DC Specifications................................................................................ 29
2-16BOOTSELECT DC Specifications .............................................................................................. 29
2-17VCC Overshoot Specifications ...................................................................................................29
2-18GTL+ Bus Voltage Definitions ....................................................................................................31
3-1 Processor Loading Specifications ..............................................................................................37
3-2 Package Handling Guidelines ....................................................................................................37
3-3 Processor Materials....................................................................................................................38
4-1 Alphabetical Land Assignments .................................................................................................44
4-2 Numerical Land Assignment.......................................................................................................54
4-3 Signal Description (Sheet 1 of 9)................................................................................................64
5-1 Processor Thermal Specifications ..............................................................................................74
5-2 Thermal Profile for Processors with PRB = 1 .............................................................................74
5-3 Thermal Profile for Processors with PRB = 0 .............................................................................75
5-4 Thermal Diode Parameters ........................................................................................................81
5-5 Thermal Diode Interface .............................................................................................................81
6-1 Power-On Configuration Option Signals..................................................................................... 83
7-1 Fan Heatsink Power and Signal Specifications .......................................................................... 90
7-2 Fan Heatsink Power and Signal Specifications .......................................................................... 94
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