Intel Xeon Processor Specification Update

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Intel

Xeon

Processor Specification Update 53

Specification Clarifications

The Specification Clarifications listed in this section apply to the following documents:

• Intel

Xeon

Processor at 1.40 GHz, 1.50 GHz, 1.70 and 2 GHz Datasheet

(Order Number 249665)

• Intel

Xeon

Processor with 512 KB L2 Cache at 1.80 GHz to 3.0 GHz Datasheet

(Order Number 298642)

• Intel

Xeon

Processor with 533 MHz Front Side Bus at 2 GHz to 3.20 GHz Datasheet (Order

Number 252135)

• Low Voltage Intel

Xeon

Processor at 1.60 GHz to 2.4 GHz Datasheet

(Order Number 273766)

• Intel

64 and IA-32 Intel

Architectures Software Developer’s Manual, Volumes 1, 2A, 2B,

3A, and 3B (Order Numbers 253665, 253666, 253667, and 253668, respectively)

All Specification Clarifications will be incorporated into a future version of the appropriate Intel

Xeon processor documentation.

P1 Maximum ITCC specification correction

The maximum I

TCC

specification has been corrected. This correction will be shown in the Voltage

and Current Specification Table # 6 and note # 7 in the Intel

Xeon

Processor with 512 KB L2

Cache at 1.80 GHz to 2.80 GHz Datasheet, Low Voltage Intel

Xeon

Processor at 1.60 GHz, 2.0

GHz, and 2.4 GHz Datasheet and, Intel

Xeon

Processor with 533 MHz Front Side Bus at 2 GHz

to 3.20 GHz Datasheet.

Current table and note:

Note 7: The maximum instantaneous current the processor will draw while the thermal control circuit is active as

indicated by the assertion of PROCHOT#.

It should state:

Note 7: The maximum instantaneous current that the processor will draw while the thermal control circuit is

active as indicated by the assertion of PROCHOT# is the same as the maximum I CC for the processor.

Average Icc does drop when PROCHOT# is active, as long as the Thermal Monitor is active.

P2 Specification Clarification with respect to Time-Stamp Counter

In the “Debugging and Performance Monitoring” chapter (Section 15.8, Section 15.10.9 and

Section 15.10.9.3) of the IA-32 Intel

Architecture Software Developer’s Manual, Volume 3:

System Programming Guide, the Time-Stamp Counter definition has been updated to include

support for the future processors. This change will be incorporated in the next revision of the IA-32

Intel

Architecture Software Developer’s Manual.

Symbol Parameter Core Freq Min Typ Max VID Unit Notes

TCC

ICC TCC Active All Freq X A XX

Symbol Parameter Core Freq Min Typ Max VID Unit Notes

TCC

ICC TCC Active All Freq ICC A XX