Alliance Semiconductor Introduces Board for HyperTransport-to-PCI Bridge

4/25/2003 - Alliance Semiconductor Introduces Development Platform For PMC-Sierra's RM9000TM Family of Integrated Processors Proven Interoperability and Validated Development Platform Accelerates Time to Market and Enables Design of Alliance Semiconductor Corporation (NASDAQ: ALSC), a leading provider of high-value memory, mixed signal and system solutions for networking, storage, wireless, consumer and computing markets, announced the immediate availability of its AS90L1011-DB development board for the SP1011, HyperTransportTM-to-PCI bridge. The AS90L1011-DB plugs directly into PMC-Sierra's (NASDAQ: PMCS) Jaguar board for the RM9000 family of integrated multiprocessors. This powerful development platform enables system architects to debug and test systems early in the design cycle, and accelerates the deployment of high-performance equipment for networking, computing, storage and imaging markets.

Alliance's SP1011, the industry's first IC to bridge the HyperTransport bus and the legacy PCI bus, completely interoperates with the HyperTransport interface on PMC-Sierra's RM9000 family of integrated microprocessors. The SP1011 bridges the HyperTransport interface from either the RM9000X1 or RM9000x2 to the PCI bus, enabling it to tap into the vast infrastructure of peripherals and system components based on PCI. The SP1011 expands the possibilities for system architects wanting to leverage the performance of the RM9000 family while still maintaining compatibility with legacy systems. The AS90L1011-DB is a daughter card that plugs into the HyperTransport connector on the Jaguar board, creating a direct HyperTransport connection between the SP1011 and the RM9000 family device. The Jaguar board provides all the necessary software to configure and drive the AS90L1011-DB development board, including the SP1011.

"Alliance's relationship with PMC-Sierra is part of our overall commitment to provide customers with complete system-level solutions to take full advantage of the performance of HyperTransport technology," said Robert Napaa, vice president of Marketing and Business Development for Alliance's System Solutions Business Unit. "The AS90L1011-DB speeds up the design and verification of systems based on PMC-Sierra's RM9000 processor family. The SP1011 is a critical element in RM9000 family based systems that need to access the PCI bus and leverage the bandwidth of the HyperTransport interface on the RM9000x1 or RM9000x2."

"Our collaboration with Alliance to achieve interoperability is representative of PMC-Sierra's overall commitment to provide system engineers with cost-effective and complementary solutions around the RM9000 family of processors to speed development cycles and time-to-market," said Rob Reiner, manager of product marketing in the Microprocessor Products Division of PMC-Sierra. "Alliance is a leader in providing connectivity ICs based on HyperTransport technology, and together we're providing a complete and integral solution."

AS90L1011-DB Development Board Overview
The AS90L1011-DB development board encompasses, in a very compact form factor, the SP1011, two 8-bit HyperTransport links and connectors, two 64-bit PCI slots with 3.3V and 5.0V, and three PCI logic analyzer sockets. The board enables quick hardware and software development of a variety of systems based on the RM9000 processor family and the SP1011. The AS90L1011-DB development board is available immediately.

SP1011 Overview
The SP1011 is the first commercially available HyperTransport-to-PCI bridge shipping in volume production. The SP1011 supports two 8-bit HyperTransport interfaces that provide 800MBytes per second of bandwidth in each direction and a single 64-bit, 66-MHz PCI bus. It transfers the data between the HT buses and the PCI bus. The SP1011 expands the possibilities for todays system architects and designers by providing design options based on HyperTransport, which breathes new life into systems encumbered by the limits of traditional PCI fabrics.

About Alliance
Alliance Semiconductor Corporation is a leading worldwide provider of memory, mixed signal and systems solutions for networking, wireless, consumer and computing markets. Through these integrated business units, Alliance provides leading OEMs with synchronous and fast asynchronous SRAMs and super low-power and pseudo SRAMs, high-speed chip-to-chip interconnects based on HyperTransportTM technology and mixed signal products for Electromagnetic Interference (EMI) management. Alliance develops and manufactures its products through independent manufacturing foundries using advanced CMOS process technologies with line widths as narrow as 0.13-microns. Alliance, founded in 1985 and headquartered in Santa Clara, California, is traded on the NASDAQ Stock Market under the ALSC symbol and is included in the S&P 600 Index. Additional information is available on Alliance's Web site at:

About PMC-Sierra
PMC-Sierra is a leading provider of high-speed broadband communications and storage semiconductors and MIPS-based processors for Enterprise, Access, Metro Optical Transport, Storage Area Networking and Wireless network equipment. The company offers worldwide technical and sales support, including a network of offices throughout North America, Europe and Asia. PMC-Sierra is included in the S&P 500 Index, which consists of 500 stocks chosen for market size, liquidity, and industry group representation. The company is publicly traded on the NASDAQ Stock Market under the PMCS symbol. For more information about PMC-Sierra's family of MIPS-based processors, visit

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