Hoping to keep pace with IEEE-1394 and other high-speed bus standards, a group of companies led by Intel Corp. has revised its target upwards for the next-generation Universal Serial Bus (USB) standard.
The so-called USB 2.0 Promoter Group, whose members include Compaq, Hewlett-Packard, Intel, Lucent, Microsoft, NEC and Philips, earlier this year announced that the next-generation USB 2.0 standard would link various PC peripherals over a bus running at speeds from 120 to 240 Mbits/s. The current USB 1.0 standard links peripherals over a 12-Mbits/s bus-a speed considered too slow for today's broadband applications.
Now, under a revised plan disclosed today at the Intel Developer Forum in Palm Springs, Calif., the USB 2.0 Promoter Group wants to revise the next-generation standard upwards to between 360 and 480 Mbits/s, according to Pat Gelsinger, an Intel vice president and general manager of the company's Desktop Products Group.
The move, which would keep pace with the competing IEEE-1394 standard, would not increase cost or complexity for OEMs, Gelsinger said.
The increased bandwidth of USB 2.0 is expected to enable PC peripherals, such as digital cameras, printers, scanners, and other products, to keep up with today's bandwidth requirements, Gelsinger said. USB 2.0 will be compatible with current USB systems and peripherals, he added.