7/24/2002 - PLX Technology (NASDAQ: PLXT) and MAGMA announced that the PLX® GigaBridge® Switched-PCI architecture has been designed into MAGMA's new PCI expansion system. The GigaBridge Fabric PCI Expansion System, a high-speed board set for PCI expansion, features seven PCI slots, a 64-bit data path, 66MHz operation, and up to 528MB/sec throughput to applications including computing, imaging, communications and audio/video editing.

The GigaBridge-enabled PCI expansion system from MAGMA -- the newest member of the PLX Partner Program -- features a high-speed backplane with a single PCI bus segment supporting seven full-length PCI slots and delivering speeds up to four times faster than either Gigabit Ethernet or conventional 32-bit, 33MHz PCI. The system also includes a MAGMA daughtercard with the GigaBridge GBP Switched-PCI 64-bit, 66MHz controller; host bus adapter and cabling. The full system provides original-equipment manufacturers (OEMs) with a versatile PCI expansion option for a variety of applications.

"GigaBridge Switched-PCI technology continues to expand the boundaries of PCI in a broad range of applications, providing them with unprecedented performance," said Michael Sarpa, product marketing manager for Switched-PCI products at PLX Technology. "MAGMA has leveraged the power of switched-PCI in the new GigaBridge Fabric PCI Expansion System, whose speed and expandability will serve MAGMA's OEMs well."

"The PLX GigaBridge Switched-PCI is precisely the type of architecture we were seeking for our new expansion system," said Nancy Rubinstein, general manager of MAGMA. "It provides an extraordinary level of performance and expandability for our products, and ensures that MAGMA PCI expansion products will continue to be the best on the market."

Switched PCI Extends Systems, Aggregates Bandwidth up to 50gps
The PLX GigaBridge Switched PCI architecture enables PCI-based telecommunications, data communications and embedded systems to incorporate 224 PCI bus segments, aggregate tens of gigabits per second, and connect two adjacent PCI devices up to 15 feet away, via a high-performance link. A cell-based architecture with independent PCI bus segments connected to each port, each GigaBridge switched PCI controller can drive up to four PCI slots and interoperates with other GigaBridge controllers as ports on the Switched PCI systems. Each GigaBridge controller is linked via two 16-bit-wide, point-to-point, low-voltage-differential links clocked at 400MHz. This results in an aggregate bandwidth of more than 50 gigabits per second.

MAGMA Newest Member of the PLX Partner Program
MAGMA is the newest member of the PLX Partner Program, which combines the expertise of a wide range of third-party suppliers to create and market development tools for new, high-performance systems using PLX's PCI interconnect chips and software.

The PLX Partner Program, which began in 1999, includes dozens of leading hardware and software companies in the computing, telecommunications and data communications market. The program enables hardware designers and software developers to gain easy access to information about design resources, from a centralized source at PLX. Those resources include information on a wide range of PLX PCI and switched-PCI development tools: microprocessors; real-time operating systems; software development tools; reference design boards; and expertise from third-party consultants. The program's collaborative and centralized structure means designers see several benefits: Web-based information on third-party development tools; faster, simplified design cycles; and improved time to market.

About PLX Technology
PLX Technology Inc. (, based in Sunnyvale, Calif., USA, is the leading supplier of high-speed silicon and software solutions for the networking and communications industries. The PLX solution includes industry-standard silicon, software for managing data throughout the PCI bus, rapid development tools that minimize design risk, and third-party development tool support through the PLX Partner Program. The PLX solution enables hardware designers and software developers to maximize system input/output (I/O), lower development costs, minimize system design risk and provide faster time to market. PLX PCI I/O Accelerator chips and switched-PCI devices are designed into a wide variety of embedded PCI communication systems, including switches, routers, line cards, media gateways, base stations, access multiplexors and remote access concentrators. PLX customers include many of the leading communications equipment companies, including 3Com, Cisco Systems, Ericsson, Hewlett Packard, IBM, Lucent Technologies, Marconi, Nortel Networks and Siemens.

MAGMA is a wholly-owned subsidiary of Mobility Electronics. Mobility Electronics, Inc. (NASDAQ/NMS: MOBE), based in Scottsdale, Ariz., is a leading designer, developer and marketer of innovative products and solutions for the mobile computing user. The company's unique product portfolio includes widely compatible docking stations for portable computers; connectivity and video products for handheld computing devices; expansion products for desktop, server and portable computers; and power products and accessories for portable computing devices of all types. The company's technology base includes its award-winning Split Bridge(r) technology and multi-function Card Bus, high-speed bus expansion and portable computing device power technologies.

Mobility Electronics possesses a broad range of internally developed intellectual property with numerous patents, patents pending, license agreements and/or strategic relationships with industry leaders such as Avocent, LSI Logic, Molex Corporation, National Instruments, 2C Computing and Philips Semiconductors. The company's subsidiaries include MAGMA, which focuses on expansion products and Portsmith, Inc., which focuses on the handheld market. Mobility Electronics markets its products through a worldwide network of OEMs, distributors, resellers, retail channels and direct catalog and e-commerce channels. For information on Mobility Electronics' products and services, call 480-596-0061, or visit its Web site at

PLX and GigaBridge are trademarks of PLX Technology, Inc., which may be registered in some jurisdictions. All other product names that appear in this material are for identification purposes only and are acknowledged to be trademarks or registered trademarks of their respective companies.

Editorial contact:
Jerry Steach
CommonGround Communications (for PLX)

GigaBridge Switched PCI contact:
Katherine Baker
PLX Technology

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