8-K

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K


                CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF

                       THE SECURITIES EXCHANGE ACT OF 1934


       Date of Report (Date of earliest event reported) SEPTEMBER 7, 2000


                               RADISYS CORPORATION


STATE OF OREGON                        0-26844               93-0945232
- --------------------------------------------------------------------------------
(State or other jurisdiction of      (Commission           (IRS Employer
 incorporation or organization)      File No.)             Identification No.)


5445 NE DAWSON CREEK DRIVE, HILLSBORO, OR                      97124
- --------------------------------------------------------------------------------
(Address of principal executive offices)                     (Zip Code)


                                 (503) 615-1100
               --------------------------------------------------
              (Registrant's telephone number, including area code)



                                    NO CHANGE
         --------------------------------------------------------------
        (Former name, former address and former fiscal year, if changed
                               since last report)







ITEM 5.  OTHER EVENTS

         On September 7, 2000 RadiSys Corporation (the "Company") announced that
it privately placed $20 million aggregate principal amount of convertible
subordinated notes pursuant to the exercise of an over-allotment option granted
to the initial purchasers of $100 million aggregate principal amount of the
notes. The Company's press release announcing the offering is attached hereto as
Exhibit 99.1.

ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS

         (c)      EXHIBITS.

                  99.1     Press release dated September 7, 2000.



                                        2





                                    SIGNATURE

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

         Dated:   September 7, 2000.


                          RADISYS CORPORATION




                          By:   STEPHEN F. LOUGHLIN
                              -------------------------------------
                                Stephen F. Loughlin
                                Vice President of Finance and Administration and
                                Chief Financial Officer



                                        3






                                  EXHIBIT INDEX

EXHIBIT           DESCRIPTION

   99.1           Press release dated September 7, 2000.

EX-99.1

                                                                   EXHIBIT 99.1

   RadiSys Sells Additional $20 Million of 5.5% Convertible Subordinated Notes

HILLSBORO, Ore.--(BUSINESS WIRE)--Sept. 7, 2000--RadiSys Corporation
(Nasdaq:RSYS) announced the sale today of $20 million aggregate principal amount
of 5.5% convertible subordinated notes due 2007.

The notes were sold pursuant to the exercise of an over-allotment option granted
to the initial purchasers of $100 million aggregate principal amount of the
notes, the sale of which closed on Aug. 9, 2000. The notes are unsecured
obligations, convertible into RadiSys Common Stock at a conversion price of
$67.8038 per share and subordinated to all present and future senior
indebtedness of RadiSys.

The Company may use these proceeds for future acquisitions and also expects to
use these proceeds to repay debt and for general corporate purposes.

This announcement is neither an offer to sell nor a solicitation of an offer to
buy any of these securities.

The securities have not been registered under the Securities Act of 1933, as
amended (the "Securities Act"), or any state securities laws, and unless so
registered may not be offered or sold in the United States except pursuant to an
exemption from the registration requirements of the Securities Act and
applicable state laws.

RadiSys (Nasdaq:RSYS) designs and manufactures building blocks for
next-generation Internet, communications, industrial automation and medical
equipment. As a leading independent provider to OEMs, RadiSys delivers a
time-to-market advantage in a "virtual division" relationship with its
customers. The building blocks include Intel-based embedded computers, DSP
modules and algorithms, network interfaces and protocols, systems platforms,
embedded software, systems engineering and integration services. RadiSys' highly
differentiated position in the market is a result of its focus on Intel-based
technology, having the broadest array of building blocks, having a "perfect fit"
product development strategy and using its intellectual property to design
customer subsystems.

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

CONTACT: RadiSys Corporation
Brian Bronson, 503/615-1281
brian.bronson@radisys.com