You're familiar with desktop graphics cards that offer so-called dual-head support -- the productivity boost of arranging application on two side-by-side monitors -- but there aren't any laptops with the feature. Or at least there weren't any until now: Matrox Graphics has introduced an external device that adds dual-monitor support to notebooks and integrated-graphics-chipset desktops that have only a single VGA output.
Shipping later this month for $169, the Matrox DualHead2Go is a palm-sized adapter that splits VGA signals to create a Windows desktop that spans two analog displays -- doubling XGA resolution to 2,048 by 768 (at refresh rates up to 85Hz), or turning 1,280 by 1,024 output into 2,560 by 1,024 (at a 60Hz refresh rate suitable for LCD monitors). The PC's existing graphics processor handles all 2D and 3D rendering, with no loss of image quality or speed. A supplied AC adapter powers the DualHead2Go, with a bundled software utility seamlessly managing window positioning and message pop-up. Matrox's Web site offers a model list and downloadable testing utility to determine whether your notebook or desktop is compatible with DualHead2Go -- recent Intel desktop chipsets are, some Nvidia mobile graphics processors aren't.
Related Link: Matrox
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