Intel® Pentium® 4 Processor Specification Update
This document is an update to the specifications contained in the Intel® Pentium® 4 Processor with 512-KB L2 Cache on 0.13 Micron Process, Intel® Pentium® 4 Processor Extreme Edition Supporting Hyper-Threading Technology† Datasheet (Document Number) 298643, Intel® Pentium® 4 Processor on 90 nm Process Datasheet (Document Number) 300561, and the Intel® Pentium® 4 Processor in the 478-pin Package at 1.40 GHz, 1.50 GHz, 1.60 GHz, 1.70 GHz, 1.80 GHz, 1.90 GHz, and 2 GHz Datasheet (Document Number) 249887.
This document is intended for hardware system manufacturers and software developers of applications, operating systems, or tools. It contains specification changes, S-specs, errata, specification clarifications, and documentation changes. The Pentium 4 processor may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.
This location contains the most current Specification Update. The revision number is indicated by the last two digits in its 'pdf' file name. Specification Updates are revised only as changes occur.