IBM ThinkPad R32 Schematic Circuit Diagram

The 1999 Year: Intel releases the Pentium III, primarily a Pentium II with SSE (Streaming SIMD Extensions) additional. AMD introduces the Athlon. The IEEE formally approves the 5GHz band 802.11a 54Mbps

and 2.4GHz band 802.11b 11Mbps wireless networking standards. The Wi-Fi Alliance is made to certify 802.11b products, guaranteeing ability.

The 2000 Year: the primary 802.11b Wi-Fi–certified merchandise area unit was introduced, and wireless networking speedily build momentum. Microsoft releases Windows ME (Millennium Edition) and Windows 2000. each Intel and AMD introduce processors running at 1GHz. AMD introduces the Duron, a low-priced Athlon with reduced L2 cache. Intel introduces the Pentium four, the newest processor within the Intel

Architecture 32-bit (IA-32) family.

The 2001 Year: The business celebrates the twentieth day of remembrance of the discharge of the original IBM computer. Intel introduces the primary 2GHz processor, a version of the Pentium 4. It takes the business twenty-eight 1/2 years to travel from 108KHz to 1GHz however solely eighteen months to travel from 1GHz to 2GHz. Microsoft releases Windows XP, the primary thought 32-bit operating system (OS), merging the buyer and business OS lines underneath an identical codebase (NT five.1). Atheros introduces the primary 802.11a 54Mbps high-speed wireless chips, permitting 802.11a merchandise to finally reach the market.

The 2002 Year: Intel releases the primary 3GHz-class processor, a 3.06GHz version of the Pentium four. This processor conjointly introduces Intel’s Hyper-Threading (HT) technology, showing as 2 processors to the OS. The Arapaho Work cluster (AWG, later referred to as PCI-SIG), introduces the PCI categorical (PCIe) commonplace, that uses highspeed serial communication to attach cards and internal adapters to the CPU.