Feeds

USB 2.0 to reach 480Mbps – official

Target speed set with draft specification release

  • alert
  • submit to reddit

Mobile application security vulnerability report

The USB Promoter Group yesterday released the draft specification for USB 2.0, taking the target data transfer rate up to 480Mbps, a fortyfold increase on the current version's throughput. Released to delegates at the USB Developers Conference, the new spec. calls for full compatibility -- forward and backward -- with USB 1.1, so at least no one is going to have to chuck out their old peripherals. The USB Promoter Group clarified its stance on IEEE1394 (aka FireWire and iLink): USB 2.0 will become the be all and end all of PC connectivity and 1394 will continue to exist in the consumer electronics space, connecting digital VCRs to digital TVs and the like. In the USBPG worldview, the only PCs that require 1394 will be those that need to connect to such devices -- all other high bandwidth devices, such as fast hard drives, will clearly be hooked up via USB 2.0. As the Technical Introduction to USB 2.0 puts it, even "high bandwidth interfaces such as SCSI adapters may no longer be required". So where we once had 1394 replacing SCSI while USB replaced the old serial and parallel ports, we now have USB 2.0 replacing everything. USB 2.0 is unlikely to supersede 1394, though, since it retains the need for a hub -- unlike 1394, there's no peer-to-peer operation; data can only from device to device via the hub. In fact, hubs will take on a greater role with USB 2.0 since they will have to arbitrate data traffic flowing at 480Mbps and the original 12MBps and 1.5Mbps. At least in the draft spec. there appears to be no plans to change this hub-based mode of operation, or to increase the number of devices the chain can support. Now the draft specification is in place, peripheral developers are at last able to map out their support for the technology. The final version of the USB 2.0 spec. is due sometime in the first quarter of next year, with the first devices using it coming to market in the second half of 2000 after volume production of USB 2.0 chipsets has been reached. ®

The Power of One Brief: Top reasons to choose HP BladeSystem

More from The Register

next story
BBC goes offline in MASSIVE COCKUP: Stephen Fry partly muzzled
Auntie tight-lipped as major outage rolls on
iPad? More like iFAD: We reveal why Apple fell into IBM's arms
But never fear fanbois, you're still lapping up iPhones, Macs
Stick a 4K in them: Super high-res TVs are DONE
4,000 pixels is niche now... Don't say we didn't warn you
Amazon Reveals One Weird Trick: A Loss On Almost $20bn In Sales
Investors really hate it: Share price plunge as growth SLOWS in key AWS division
Bose says today is F*** With Dre Day: Beats sued in patent battle
Music gear giant seeks some of that sweet, sweet Apple pie
There's NOTHING on TV in Europe – American video DOMINATES
Even France's mega subsidies don't stop US content onslaught
You! Pirate! Stop pirating, or we shall admonish you politely. Repeatedly, if necessary
And we shall go about telling people you smell. No, not really
Too many IT conferences to cover? MICROSOFT to the RESCUE!
Yet more word of cuts emerges from Redmond
Chips are down at Broadcom: Thousands of workers laid off
Cellphone baseband device biz shuttered
prev story

Whitepapers

Designing a Defense for Mobile Applications
Learn about the various considerations for defending mobile applications - from the application architecture itself to the myriad testing technologies.
Implementing global e-invoicing with guaranteed legal certainty
Explaining the role local tax compliance plays in successful supply chain management and e-business and how leading global brands are addressing this.
Top 8 considerations to enable and simplify mobility
In this whitepaper learn how to successfully add mobile capabilities simply and cost effectively.
Seven Steps to Software Security
Seven practical steps you can begin to take today to secure your applications and prevent the damages a successful cyber-attack can cause.
Boost IT visibility and business value
How building a great service catalog relieves pressure points and demonstrates the value of IT service management.