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Contents Vol.22, No.1; January 2009 www.siliconchip.com.au SILICON CHIP Features 10 Honda’s 3.5-Litre V6 With Cylinder Deactivation Honda’s new V6 engine uses cylinder deactivation and can run on three, four or six cylinders, according to demand. Here’s how it works – by Leo Simpson 14 Dual Booting With Two Hard Disk Drives Want to dual-boot Windows & Linux but with each on a separate hard disk drive? Want to keep both bootloaders intact as well? Here’s how to do it the safe and easy way – by Greg Swain 19 Review: Navman Platinum S300t GPS Unit The Navman Platinum S300t is the state-of-the-art in GPS with an amazing range of features. Here’s how it stacks up – by Ross Tester Honda’s V6 Engine With Cylinder Deactivation – Page 10. Pro jects To Build 26 USB-Sensing Mains Power Switch It monitors a USB port on your PC and automatically switches peripherals on or off as required. It’s triggered by data activity on the USB port or you can trigger it by monitoring for +5V on the port – by Jim Rowe & Mauro Grassi 38 Remote Mains Relay Mk.2 Switch mains voltages safely with this easy-to-build unit. It can be triggered by a remote switch or by relay contacts (eg, in a PIR sensor) – by Jim Rowe 54 AM Broadcast Band Portable Loop Antenna Looking for a way to improve your long-distance AM radio reception? Here’s a tunable loop antenna that will pluck signals out of thin air! – by Stan Swan Dual Booting With Two Hard Disk Drives – Page 14. 62 Multi-Purpose Car Scrolling Display, Pt.2 All the construction details are presented this month. We also describe how to install the necessary USB software driver – by Mauro Grassi 80 433MHz UHF Remote Switch Pre-built UHF transmitter & receiver modules make this wireless remote control easy to build. Its range is 200m or more – by John Clarke Special Columns 40 Circuit Notebook (1) Fuel Economiser Uses Strain Gauge On Accelerator ; (2) Phone Ringer With Remote Control; (3) Solar-Powered Backyard Lighting System; (4) Crystal-Controlled Shortwave Converter; (5) Switchless Intercom; (6) Model Railway Track Cleaner USB-Sensing Mains Power Switch – Page 26. 58 Serviceman’s Log Headphone Problems In An LCD TV – by the TV Serviceman 74 Vintage Radio The American Philco 52-545 AC/DC Receiver – by Rodney Champness Departments   2   3   4 53 Publisher’s Letter Mailbag Order Form Product Showcase siliconchip.com.au 89 Ask Silicon Chip 92 Notes & Errata 93 Market Centre 433MHz UHF Remote Switch – Page 80. January anuary 2009  1