6-15 PCIConfigWr().................................................................................................128
6-16 Thermal Status Word .......................................................................................131
6-17 Thermal Data Configuration Register ..................................................................132
6-18 ACPI T-state Throttling Control Read / Write Definition .........................................133
6-19 MbxSend() Command Data Format ....................................................................134
6-20 MbxSend()......................................................................................................135
6-21 MbxGet()........................................................................................................136
6-22 Temperature Sensor Data Format ......................................................................140
6-23 PECI Power-up Timeline....................................................................................142
7-1
Logical Schematic of Intel® Xeon® Processor E7-8800/4800/2800
Product Families Package..................................................................................145
Tables
1-1
References........................................................................................................11
Processor Absolute Maximum Ratings...................................................................13
Voltage Identification Definition ...........................................................................15
Signal Groups ...................................................................................................20
Signals with RTT................................................................................................21
Voltage and Current Specifications.......................................................................21
Processor Vcc Static and Transient Tolerance.........................................................23
Processor VccCache Static and Transient Tolerance ................................................24
VCC and Vcache overshoot Specification ...............................................................25
System Clock Specifications ................................................................................27
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10 Link Speed Independent Specifications .................................................................29
2-11 Clock Frequency Table........................................................................................30
2-12 Parameter Values for Intel® QPI Phy1 Channel at 1/4 RefClk Frequency ...................31
2-13 Parameter Values for Intel QPI Channel at 4.8 GT/s................................................32
2-14 Parameter Values for Intel QPI at 6.4 GT/s............................................................33
2-15 Parameter Values for Intel SMI at 6.4 GT/s and lower.............................................35
2-16 PLL Specification for TX and RX ...........................................................................36
2-17 Transmitter Voltage Swing..................................................................................37
2-18 Transmitter De-emphasis (Swing Setting 110: Large).............................................37
2-19 Transmitter De-emphasis (Swing Setting 100: Medium)..........................................37
2-20 Transmitter De-emphasis (Swing Setting 010: Small).............................................37
2-21 Summary of Differential Transmitter Output Specifications ......................................38
2-22 Summary of Differential Receiver Input Specifications.............................................39
2-23 PECI DC Electrical Limits.....................................................................................41
2-24 TAP, Strap Pins, Error, Powerup, RESET, Thermal, VID Signal Group DC
Specifications....................................................................................................42
2-25 Miscellaneous DC Specifications...........................................................................43
2-26 System Reference Clock AC Specifications.............................................................43
2-27 Miscellaneous GTL AC Specifications.....................................................................44
2-28 VID Signal Group AC Specifications ......................................................................45
2-29 SMBus and SPDBus Signal Group AC Timing Specifications......................................46
2-30 FLASHROM Signal Group AC Timing Specifications..................................................47
2-31 TAP Signal Group AC Timing Specifications............................................................48
3-1
3-2
3-3
3-4
4-1
Processor Loading Specifications..........................................................................61
Package Handling Guidelines...............................................................................61
Processor Materials ............................................................................................62
Mark Content ....................................................................................................62
Pin List, Sorted by Socket Name ..........................................................................65
6
Datasheet Volume 1 of 2