AMD introduces HyperTransport technology

"It basically means improved performance in PC and network equipment behind the PC ... eliminating the bottlenecks in the I/O (input/output) systems," said Charles Mitchell, AMD product strategy manager.

HyperTransport is a point-to-point bus technology that offers greater bandwidth, such as from the memory controller to the hard driver controller or PCI (peripheral component interconnect) bus controller, he said. The technology works in servers, workstations, network switches and embedded applications.

Under current circumstances, bandwidth is equivalent to cars being able to use a one-lane bridge. HyperTransport opens up bandwidth to offering two complete lanes in both directions, Mitchell said.

Engineers can design the link in each direction and decide the width of the bus and the clock rate of the system in order to deliver the desired bits and bytes needed, Mitchell said. The maximum configuration is 1.6Gbps.

"Most people will use the 800M transfers and the 1.6G transfers per second," Mitchell said.

A key factor with the technology is that it will let developers make components that interoperate with various processor platforms, said Nathan Brookwood, principal analyst with Insight 64. HyperTransport makes chips more modular and will allow for the market to grow faster, he added.

AMD has won support from some companies, such as graphics chip maker NVidia, Brookwood said.

"NVidia has been pretty vocal about doing this," he said "They are working on a chipset in (Microsoft's) Xbox."

The NVidia chipset uses an Intel Pentium III chip developed with a north bridge -- the main processor and graphics -- and a south bridge --the PCI slots, audio, modem, integrated Internet controller, USB (universal serial bus) and other components.

"The north bridge needed a high-performance way to talk to the south bridge," Brookwood said. "They (NVidia) will be able to use the same south bridge in both Pentium III in Xbox and (AMD's) Athlons in PCs."

Chips can be used in a wider range of systems, Mitchell of AMD said. A desktop chip can be more easily configured to work as a server or workstation chip.

AMD will seek to push the HyperTransport technology by providing open standards and partnering with industry heavyweights.

Broadcom, Cisco Systems, NVidia and Sun Microsystems. all have said they will use the HyperTransport technology in future products, AMD said. The chip maker also will use the technology in its forthcoming processors. The first third-party products using AMD's HyperTransport technology are planned for later in 2001, the company said.

AMD engineers have been working on the technology for the past three and a half years, Mitchell said. During its development, HyperTransport was known by the code name "LDT" or "lightning data transport," he added.

Join the newsletter!

Or

Sign up to gain exclusive access to email subscriptions, event invitations, competitions, giveaways, and much more.

Membership is free, and your security and privacy remain protected. View our privacy policy before signing up.

Error: Please check your email address.
Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

James Evans

PC World
Show Comments

Most Popular Reviews

Latest Articles

Resources

PCW Evaluation Team

Tom Pope

Dynabook Portégé X30L-G

Ultimately this laptop has achieved everything I would hope for in a laptop for work, while fitting that into a form factor and weight that is remarkable.

Tom Sellers

MSI P65

This smart laptop was enjoyable to use and great to work on – creating content was super simple.

Lolita Wang

MSI GT76

It really doesn’t get more “gaming laptop” than this.

Jack Jeffries

MSI GS75

As the Maserati or BMW of laptops, it would fit perfectly in the hands of a professional needing firepower under the hood, sophistication and class on the surface, and gaming prowess (sports mode if you will) in between.

Taylor Carr

MSI PS63

The MSI PS63 is an amazing laptop and I would definitely consider buying one in the future.

Christopher Low

Brother RJ-4230B

This small mobile printer is exactly what I need for invoicing and other jobs such as sending fellow tradesman details or step-by-step instructions that I can easily print off from my phone or the Web.

Featured Content

Product Launch Showcase

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?