Tables
1
2
3
4
5
References ..............................................................................................................11
Voltage Identification Definition..................................................................................15
Absolute Maximum and Minimum Ratings ....................................................................17
Voltage and Current Specifications..............................................................................18
VCC Static and Transient Tolerance for 775_VR_CONFIG_05A and
775_VR_CONFIG_06 Processors.................................................................................20
Vcc Overshoot Specifications......................................................................................21
FSB Signal Groups....................................................................................................23
Signal Characteristics................................................................................................24
Signal Reference Voltages .........................................................................................24
6
7
8
9
10 GTL+ Signal Group DC Specifications ..........................................................................25
11 GTL+ Asynchronous Signal Group DC Specifications......................................................26
12 PWRGOOD and TAP Signal Group DC Specifications.......................................................26
13 VTTPWRGD DC Specifications.....................................................................................27
14 BSEL[2:0] and VID[5:0] DC Specifications...................................................................27
15 BOOTSELECT DC Specifications ..................................................................................27
16 GTL+ Bus Voltage Definitions.....................................................................................28
17 Core Frequency to FSB Multiplier Configuration.............................................................29
18 BSEL[2:0] Frequency Table for BCLK[1:0] ...................................................................30
19 Front Side Bus Differential BCLK Specifications.............................................................32
20 Processor Loading Specifications.................................................................................37
21 Package Handling Guidelines......................................................................................37
22 Processor Materials...................................................................................................38
23 Alphabetical Land Assignments...................................................................................44
24 Numerical Land Assignment.......................................................................................54
25 Signal Description (Sheet 1 of 9)................................................................................64
26 Processor Thermal Specifications for 775_VR_CONFIG_05A Processors............................76
27 Processor Thermal Specifications for 775_VR_CONFIG_06 Processors..............................76
28 Thermal Profile for 775_VR_CONFIG_05A Processors.....................................................77
5-1 Thermal Profile for 775_VR_CONFIG_06 Processors ......................................................78
29 Thermal “Diode” Parameters using Diode Model............................................................82
30 Thermal “Diode” Parameters using Transistor Model......................................................82
31 Thermal “Diode” ntrim and Diode_Correction_Offset.......................................................83
32 Thermal Diode Interface............................................................................................83
33 Power-On Configuration Option Signals .......................................................................85
34 Fan Heatsink Power and Signal Specifications...............................................................92
6
Datasheet