EXHIBIT 99.1

                        RADISYS ANNOUNCES NEW ADDITION TO
                               BOARD OF DIRECTORS

  HILLSBORO, OR -- NOVEMBER 19, 2002 -- RadiSys Corporation (Nasdaq: RSYS), a
leading provider of embedded systems, today announceD that Dr. William W. Lattin
has been appointed to the company's Board of Directors effective November 20,
2002.

         Dr. Lattin retired from Synopsys, Inc in October 1999 where he was
Executive Vice President since October 1994. Prior to Synopsys, Dr. Lattin
served as President and Chief Executive Officer of Logic Modeling Corp from
September 1986 through February 1994. From 1975 to 1986, Dr. Lattin held various
engineering and management positions with Intel Corporation.

         Dr. Lattin also serves as a director on the boards of Merix Corporation
and Easy Street Online Services as well as several private companies. Dr. Lattin
served on the RadiSys board from 1988 to 1999. Dr. Lattin holds a Ph.D. in
electrical engineering from Arizona State University and a M.S.E.E. and a
B.S.E.E from the University of California-Berkeley.

         "We are delighted that Dr. Lattin is re-joining our Board." said Scott
Grout, President and CEO for RadiSys. "Dr. Lattin's successful background and
experience coupled with his deep understanding of RadiSys' core businesses and
opportunities will be invaluable to the company."

ABOUT RADISYS

         RadiSys (Nasdaq: RSYS) is a leading global provider of embedded
hardware and software building blocks and solutions to OEM companies in the
communications, medical, industrial automation and transaction terminal
equipment markets. Using its extensive expertise in a wide variety of
technologies, RadiSys focuses on industry-leading Intel architecture while
working in a close "virtual division" relationship with its customers --
significantly improving their time-to-market advantage and reducing cost. The
broad range of RadiSys product offerings include board-level embedded computers;
blade servers; motherboards; network interfaces and packet processing engines;
communications middleware and software such as SS7/IP internetworking and
protocol stacks; platforms based on PCI, CompactPCI, CompactPCI 2.16 and ATCA;
turnkey gateway systems and professional services.

         RadiSys is a registered trademark of RadiSys Corporation. All other
products are trademarks or registered trademarks of their respective companies.

         For more information, contact RadiSys at info@radisys.com or
http://www.radisys.com or call 800-950-0044 or 503-615-1100. For press
information only: Lyn Pangares, RadiSys Corporation, 503-615-1220.