Contents
Tables
1-1 References .................................................................................................................................15
2-1 Voltage Identification Definition ..................................................................................................19
2-2 Absolute Maximum and Minimum Ratings .................................................................................21
2-3 Voltage and Current Specification..............................................................................................22
2-4 V Static and Transient Tolerance for 775_VR_CONFIG_05A Processors.............................24
CC
2-5 V Overshoot Specifications ....................................................................................................26
CC
2-6 FSB Signal Groups.....................................................................................................................28
2-7 Signal Characteristics.................................................................................................................29
2-8 Signal Reference Voltages.........................................................................................................29
2-9 GTL+ Signal Group DC Specifications .......................................................................................30
2-10GTL+ Asynchronous Signal Group DC Specifications ...............................................................30
2-11PWRGOOD and TAP Signal Group DC Specifications..............................................................31
2-12VTTPWRGD DC Specifications..................................................................................................31
2-13BSEL[2:0] and VID[5:0] DC Specifications.................................................................................32
2-14BOOTSELECT DC Specifications..............................................................................................32
2-15GTL+ Bus Voltage Definitions ....................................................................................................33
2-16Core Frequency to FSB Multiplier Configuration........................................................................34
2-17BSEL[2:0] Frequency Table for BCLK[1:0].................................................................................35
2-18Front Side Bus Differential BCLK Specifications........................................................................37
3-1 Processor Loading Specifications ..............................................................................................43
3-2 Package Handling Guidelines ....................................................................................................43
3-3 Processor Materials....................................................................................................................44
4-1 Alphabetical Land Assignments .................................................................................................50
4-2 Numerical Land Assignment.......................................................................................................60
4-3 Signal Description (Sheet 1 of 9)................................................................................................70
5-1 Processor Thermal Specifications..............................................................................................80
5-2 Thermal Profile for Processors with PRB = 0 .............................................................................81
5-3 Thermal “Diode” Parameters using Diode Model .......................................................................86
5-4 Thermal “Diode” Parameters using Transistor Model.................................................................86
5-5 Thermal “Diode” n
and Diode_Correction_Offset ..................................................................87
trim
5-6 Thermal Diode Interface.............................................................................................................87
6-1 Power-On Configuration Option Signals.....................................................................................89
7-1 Fan Heatsink Power and Signal Specifications..........................................................................96
8-1 TMA Power and Signal Specifications......................................................................................104
8-2 TMA Set Points for 3-wire operation of BTX Type I and Type II Boxed Processors ................107
§
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