SAN JOSE, Calif. -- September 23, 1999 - Lynx Real-Time Systems, Inc., today announced CommTech ?99, a series of complimentary technical seminars on next-generation embedded solutions for telecom OEMs, offering an inside look at off-the-shelf solutions that make the most of emerging technologies.  Designed for senior engineering management and project team leaders, the one-day seminars feature presentations from the industry's leading technology providers including Interphase, TimesTen Performance Software, Motorola Computer Group, ZNYX Corporation, GoAhead Software, Trillium Digital Systems, and Lynx.  The presentations will include:

• Immediate solutions for advanced telecom hardware and software designs
• The vision and applicability of HA hardware, software and protocol solutions for ?five-nines? reliability
• Tips for making the most of recent developments in CompactPCI?
• Carrier Class redundant communications links
• Developing fast and reliable distributed systems
• Reliable storage and datastore solutions and hardware/software option
• Real-world solutions for Voice Over IP and call centers

• Burlington/Concord, MA ? Thursday, October 21, 1999
• Paris, France ? Wednesday, November 3, 1999
• Munich, Germany ? Friday, November 5, 1999
• Ottawa, Ontario ? Tuesday, November 23, 1999

To register: Fill out the registration form at: www.commtech99.com or call 1.800.843.2213 (U.S. only) or +1 408.993.2212 (International callers:  (001) 408.993.2212).

Interphase Corporation (NASDAQ: INPH) designs and delivers high-performance connectivity adapters for enterprise server network environments and demanding embedded systems applications. The company is a respected leader in designing robust and reliable interfaces for local area (LAN), storage area (SAN) and  wide area (WAN) environments utilizing the technologies that are laying the foundation for networks in the 21st century including ATM, Fibre Channel, remote access and virtual private networking (VPN) protocols.

Interphase is a publicly traded company and has been listed on NASDAQ since 1984. Headquartered in Dallas, Texas, the company markets its products to original equipment manufacturers (OEMs), distributors, systems integrators, value-added resellers (VARs) and large end-users through a worldwide direct sales force, global channels and an extensive service and support network.  Additional information about Interphase and its products is available through the company?s web site at www.iphase.com.

TimesTen produces software that brings real-time database performance to applications. The company is focused on enabling innovations at the forefront of Internet computing and at the foundations of today?s voice and data networks. With TimesTen?s in-memory database technology, throughput is measured in tens of thousands of operations per second, and response times are counted in microseconds. Though internally unique, TimesTen?s products are accessed through standards-based interfaces, and designed for easy integration into existing software infrastructures.

A proven innovator, TimesTen was the first to bring a commercial in-memory database to market, and the first to support 64-bit addressing and continuous availability features. With a heritage of technology that has been deployed for years in demanding telecommunications environments, TimesTen has a track record for meeting the reliability and availability standards of the most business-critical applications. To complement the unique advantages of its products, TimesTen has dedicated itself to an uncommon level of responsive, 24x7 technical support and personalized professional services.  TimesTen is located in Mountain View, California and its Web site is www.timesten.com.

Motorola Computer Group (MCG), headquartered in Tempe, Ariz., is the leading supplier of embedded computing platforms to OEMs for use in telecommunications, imaging and industrial automation applications worldwide. MCG provides best-in-class solutions by combining its advanced design engineering capability with responsive, world-class manufacturing operations. Additional information about MCG is available on the World Wide Web at www.mcg.mot.com.

MCG is part of Motorola's Integrated Electronics Systems Sector (IESS), a division of Motorola, Inc. (NYSE: MOT). IESS is a leading provider of electronic systems for customers who integrate them into their products. The five businesses of IESS deliver high value embedded electronic solutions that enable customers to differentiate their products and lead their markets.

Motorola is a global leader in providing integrated communications solutions and embedded electronic solutions. Sales in 1998 were $29.4 billion.

Since its inception in 1993, ZNYX has pursued a vision of High Availability LAN solutions. The company is now the worldwide leader in providing Carrier Class LAN hardware and software for the telecommunications and data communications industries.

ZNYX products bring five-nines (or better) capability to LAN equipment that must be deployed in Network Equipment Building System (NEBS) environments. These are critical components for telco equipment providers, ISPs, enterprise-wide and embedded industrial automation providers. Based on Redundant Array of Independent Netports (RAIN) technology, the ZNYX product line is a family of PCI, PMC, PIM, and CompactPCI LAN modules. Software support is unmatched in the industry and includes Lynx OS by Lynx, Sun Solaris, Apple Mac OS, Berkeley Software BSD/OS, QSSI QNX, FreeBSD, IBM OS/2, Integrated Systems pSOS+, Linux, Microsoft Windows 98/NT/2000, Novell NetWare, SCO OpenServer, SCO UnixWare and WindRiver VxWorks.

Corporate headquarters are located in Fremont, Calif., with Advanced Technology Centers in San Francisco and Santa Barbara Calif.. ZNYX can be reached at 510-249-0800, or www.znyx.com.

GoAhead Software (www.goahead.com) is the leading developer of management software for communications infrastructure and Internet appliances.  The company leverages Internet standards to address the problem of managing devices and appliances from a unique orientation?from inside the device or appliance. GoAhead?s solutions enable manufacturers to reduce or eliminate the need for costly and ineffective external management and support by using the intelligence resident in the device or appliance to internally manage faults and upgrades. The privately held company was formed in 1995 and is headquartered in Bellevue, Washington.

Trillium Digital Systems is The World?s Source for Communications Software, providing solutions for telephony, Intelligent Network, Internet, wireless and broadband networks. Trillium solutions consist of communications software, support and value-added software integration, customization and consulting services for SS7, ATM, IP, Wireless, ISDN, Frame Relay, V5, and X.25/X.75 technologies. Trillium also offers complementary solutions for fault tolerance/high-availability, protocol interworking, Java, and Software on Silicon?. Founded in 1988, Trillium has licensed its source codesoftware to more than 250 companies for use in more than 400 projects worldwide. Additional company and product information is available on the Web at www.trillium.com.

An ISO 9001 registered company, Lynx Real-Time Systems, Inc. provides the foundation software for reliable and high-performance applications in telecommunications, data communications, avionics, automotive, office automation and process control systems. Lynx supplies embedded software products including scalable real-time operating systems, a software framework for high-availability systems, development tools and technical support worldwide.  These products are based on such industry standards as POSIX, JAVA and CompactPCI to enable customers to leverage their investments in software and education. Lynx holds two patents for real-time software and has three patents pending. Founded in 1988, Lynx is a privately held company with offices in North America, Europe and Japan, with worldwide headquarters in San Jose, California. Information about Lynx Real-Time Systems is available on the World Wide Web at www.lynx.com.

LynxOS is a registered trademark of Lynx Real-Time Systems, Inc.  Motorola and the Motorola logo are registered trademarks of Motorola, Inc. Motorola Computer Group identifies a product and/or division of the respective Motorola legal identities worldwide.  Trillium and Trillium Digital Systems are registered trademarks of Trillium Digital Systems, Inc. TAPA, Software on Silicon, and The World?s Source for Communications Software are trademarks of Trillium Digital Systems, Inc. Other trademarks are trademarks (registered or otherwise) of the respective trademark owners. Other brand or product names are registered trademarks or trademarks of their respective holders.