Many devices support both, though a single standard would be optimal. Today, the industry is bifurcated between IEEE 1394 and USB 2.0. USB 3.0 is likely to signal the death of FireWire/IEEE 1394, a competing interface standard also known as i.Link and Lynx. So the latest SuperSpeed USB-enabled devices connecting to older PCs running USB 2.0 or lower will experience data transfer rates that are much slower. "You can get the USB 3.0 speeds only when one 3.0 device connects to another," says Gartner's Kleynhans. While USB 3.0 devices are coming soon, consumers won't immediately see all the benefits. USB Implementers Forum chairman Jeff Ravencraft declined to be available for comment. "There was some debate between us," says Moorhead, "but we have buried the hatchet and we are all in the same boat now." Nvidia and AMD claimed that Intel was not sharing the specifications that potentially compete with it.
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Two months ago, Intel released part of the draft specifications for USB 3.0 to developers resolving a dispute between itself, Nvidia and AMD over it. Standardizing the specifications for USB 3.0 hasn't been easy. That means up to four devices can be charged from a single USB port and charged faster. It also has better power output, 900 milliamps compared to 100 milliamps with USB 2.0. "That can really lower the power consumption."
#INTEL POWER GADGET 3.0 PC#
"We will move to an interrupt-driven architecture where your PC can ignore the connected device till the latter actually does something," says Kleynhans. USB 3.0 offers better specifications for power management. "It's a problem when you attach a USB device to a laptop running on battery," says Steve Kleynhans, vice president, client computing for research firm Gartner. As a result, that keeps the host computer busy, drawing power even when it's not needed. USB 2.0 uses a polling-based architecture, which means the host computer has to constantly check the bus to see if any devices are attached and if so, whether they are doing anything. The new USB 3.0 connectors and devices will be compatible with older USB ports (on devices using USB 2.0 and 1.0) but they will be limited to the older ports' slower speeds. USB 2.0 is also known as "Hi-Speed USB," while USB 3.0 will have the confusingly similar moniker "SuperSpeed USB." It's also 400 times faster than the 12 Mbps offered by the original spec, USB 1.0. The new spec will support data transfers at 4.8 gigabits per second, or Gbps, nearly 10 times faster than the current standard's 480 megabits per second and six times faster than FireWire 800.
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#INTEL POWER GADGET 3.0 BLUETOOTH#
Its ubiquity has meant that some manufacturers use USB ports and plugs for recharging devices such as Bluetooth headsets and phones without utilizing its data-transfer capabilities.Īt a glance: USB 3.0 Faster: 10 times faster than USB 2.0 and six times faster than FireWire 800 Greater power efficiency: New interrupt driven protocol optimizes power management.īetter Power Output: Power output bump to 900 milliamps from 100 milliamps allows more devices to be charged faster via USB.īackward Compatible: New connectors and cables will work with work with devices running the older USB 2.0 Nearly four billion USB-enabled devices are expected to ship by 2012. More than 2.6 billion USB-enabled devices were shipped in 2007, estimates research firm In-Stat.Īnd USB's star will continue to rise, says the firm.
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Not surprisingly, USB's ease of use and capabilities has meant it has become nearly ubiquitous.
#INTEL POWER GADGET 3.0 DRIVERS#
Devices can be connected and disconnected without having to reboot the host computer and the technology offered perks such as allowing for many devices to be charged using the USB socket with no need for individual device drivers to be installed first. It has also made the process truly plug-and-play. USB has allowed everything from keyboards, mouse, PDAs, printers, digital cameras and personal media players - pretty much the entire spectrum of consumer electronics - to be connected to a host PC using a single standardized socket. Since the USB specification was first introduced in 1996, it has changed the way we interact with our computers. "USB 3.0 will make it even more pervasive across devices than it is today." "USB 3.0 will take USB 2.0 to the next level and take away performance as an issue for data transfer in many devices," says Brian O'Rourke, an analyst with research firm In-Stat. The USB Implementers Forum, a nonprofit group founded by companies to promote the standard, will announce Monday the final set of specs that will clear the way for the adoption of USB 3.0 by device and component manufacturers.