Introduction
The Intel® Core™2 Duo mobile processor for Intel® Centrino® Duo mobile technology based on the Intel® 945 Express Chipset family is built on 65-nanometer process technology and is the next generation high-performance, low-power mobile processor based on the Intel® Core™ architecture.

Note: All references to the word “processor” in this document are references to the Intel Core 2 Duo mobile processor with 533- and 667-MHz front side bus (FSB), unless specified otherwise.

The following list provides some of the key features on this processor:
• Dual-core processor for mobile with enhanced performance
• Intel® 64 architecture
• Supports Intel Architecture with Dynamic Execution
• On-die, primary 32-kB instruction cache and 32-kB write-back data cache per core
• On-die, up to 4-MB second level shared cache with Advanced Transfer Cache Architecture
• Data Prefetch Logic
• Streaming SIMD Extensions 2 (SSE2), Streaming SIMD Extensions 3 (SSE3) and Supplemental Streaming SIMD Extensions 3 (SSSE3)
• 667-MHz, Source-Synchronous FSB for Standard Voltage processors
• Advanced Power Management features including Enhanced Intel SpeedStep® Technology
• Intel® Enhanced Deeper Sleep state and Dynamic Cache Sizing
• Digital Thermal Sensor
• Micro-FCPGA and Micro-FCBGA packaging technologies
• Intel® Virtualization Technology
• Execute Disable Bit support for enhanced security