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Parvus to Offer 4-Port PC/104-Plus USB 2.0 Host Controller with High Current Drive Capable of Powering USB Mass Storage Devices


USB104+ provides embedded computer systems with high speed USB transfer rates, 40 times faster than legacy USB 1.1 solutions

SALT LAKE CITY, UTAH – DECEMBER 2, 2004 – Parvus Corporation today announced it will soon release its USB104+, a 4-port high-speed USB 2.0 host controller with two high-current USB ports for directly powering attached devices.

Up to 40 times faster that legacy USB 1.1 controllers, this compact PC/104-Plus form factor (3.550” x 3.775”) module provides a total of four downstream ports, two supplying up to 500mA drive and two enhanced ports supporting up to 2A drive. Its high current power switches greatly simplify the power supply design of the embedded computer since the 2A ports can directly power attached USB mass storage and other devices through the USB cable.

The board’s high performance PCI-bus USB controller chip supports all hi-speed USB transfer speed modes: High-Speed (480 Mbps), Full-Speed (12 Mbps) and Low-Speed (1.5 Mbps). All four downstream ports allow mixed, simultaneous connections of USB 2.0 and/or 1.1 devices at different speeds.

Typical applications for the USB104+ board include use with various removable or fixed mass storage media, USB memory keys, printers, cameras, CD drives, and high speed USB 2.5" hard drives. The board supports hot insert and is compatible with Windows XP Embedded, Windows CE, Linux, QNX, and other real-time operating systems.

- # of Ports: Four independent USB 2.0 downstream ports
- Current Drive: Two standard 500mA drive USB ports, two enhanced drive ports with 2000mA drive capability
- USB Compliance: OHCI 1.0a and EHCI USB 0.95; Reverse Compatible with USB 1.1
- Operating Temperature: 0ºC to +60ºC (Standard); -40°C to +85°C (Extended)
- Bus Architecture: PCI bus compliance with PCI Rev 2.2, 32-bit bus
- Transfer Speed Modes: high speed (480 Mb/s), full-speed (12 Mb/s) and low-speed (1.5 Mb/s).
- Physical Dimensions: 3.550“ x 3.775” (PC/104-Plus)

This product is priced at $230/each in 100-unit quantities and is expected to be in stock by mid-Q1 2005.

Since 1983, Parvus Corporation has been a strategic systems engineering and development partner for aerospace, defense, transportation, and industrial OEMs. Specializing in the rapid design and production of turnkey embedded computing solutions for harsh environments, Parvus leverages extensive expertise in systems integration and a complete line of rugged PC/104, PC/104-Plus, and PCI-104 computer modules to ensure high reliability and accelerate time-to-market for its customers. Visit or call 801.483.1533 for more information.

See for high-resolution, downloadable artwork for this announcement.

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