2,500,000 copies sold! The #1 PC hardware guide for 20 straight years, now 100% updated for the newest technologies! Beefed-up coverage of newer hardware throughout, two hours of all-new Scott Mueller how-to videos on DVD - and we've lowered the price by $10! Cutting-edge coverage of quad-core/multi-core processors, the latest chipsets, motherboards, graphics cards, and other advances. The de facto standard hardware guide for PC professionals and enthusiasts alike - now better than ever! For 20 straight years, Scott Mueller's Upgrading and Repairing PCs has been the definitive guide to the inner workings of the latest PCs: with nearly 2,500,000 copies sold, it's the best-selling hardware guide ever. Professional technicians and PC enthusiasts alike rely on Mueller for accurate, up-to-date, and clear information for troubleshooting problems, improving system performance, and making the most of today's best new hardware. The brand-new 20th Anniversary Edition of Upgrading and Repairing PCs is better than ever. Mueller's removed 400 pages of legacy content, beefed up coverage of the latest hardware, and shot two full hours of new DVD video - including a step-by-step video guide to building new PCs from scratch. We've also cut the price by $10! As always, Mueller presents comprehensive, trustworthy coverage of every PC component: processors, motherboards, buses, BIOS, memory, disk storage, video, audio, I/O, input devices, networking, power supplies, and more. He also presents authoritative coverage of overclocking, cooling, PC diagnostics, testing, and maintenance. This edition's extensive new coverage includes: ' Multi-core processors, the new 'Core Microarchitecture,' quad-core desktop (Kentsfield) and AMC Socket AM2 processors ' The latest chipset improvements, including new Intel 9xx and 3x chipsets, and new chipsets from Nvidia, VIA, and SiS ' Coverage of the latest DTX and Mini-DTX motherboard form factors.