content: <html><head><title>Radisys Form S-8</title>
  </head><body bgcolor="#ffffff">
  <HR ALIGN=center WIDTH=100% SIZE=4 NOSHADE>
  <center>
    <font size="2" face="Times New Roman, Times, serif"><b>As filed with the Securities
    and Exchange Commission on June 30, 2003</b> </font>
  </center>
  <p ALIGN="right"><FONT SIZE="2" face="Times New Roman, Times, serif"><B>Registration
    No. 333-____________</B></FONT></p>
  <p ALIGN="CENTER"><font size="3" face="Times New Roman, Times, serif"><b>UNITED
    STATES SECURITIES AND EXCHANGE COMMISSION<br>
    Washington, D.C. 20549</b></font></p>
  <p ALIGN="CENTER"><font size="3" face="Times New Roman, Times, serif"><b>FORM
    S-8</b></font></p>
  <p ALIGN="CENTER"><font size="3" face="Times New Roman, Times, serif"><b>REGISTRATION
    STATEMENT UNDER THE SECURITIES ACT OF 1933</b></font></p>
  <hr width="200" size="1">
  <p ALIGN="CENTER"><font size="5" face="Times New Roman, Times, serif"><b>RADISYS
    CORPORATION</b></font><font face="Times New Roman, Times, serif"><br>
    <font size="2">(Exact name of registrant as specified in its charter)</font></font></p>
  <table width="100%"  border="0" cellspacing="0" cellpadding="0">
    <tr align="center" valign="bottom">
      <td width="33%"><font size="2" face="Times New Roman, Times, serif">Oregon
        </font></td>
      <td width="34%">&nbsp;</td>
      <td width="33%"><font size="2" face="Times New Roman, Times, serif">93-0945232</font></td>
    </tr>
    <tr align="center" valign="top">
      <td><font size="2" face="Times New Roman, Times, serif">(State or other jurisdiction
        of incorporation or organization)</font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">(I.R.S. Employer Identification
        No.)</font></td>
    </tr>
  </table>
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif">5445 NE Dawson Creek Drive<br>
    Hillsboro, Oregon 97124<br>
    (Address of principal executive offices, including zip code)</font>
  </p>
  <hr width="200" size="1">
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif"><b>RadiSys Corporation
    2001 Nonqualified Stock Option Plan<br>
    RadiSys Corporation 1996 Employee Stock Purchase Plan</b><br>
    (Full title of the plans) </font></p>
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif">Julia A. Harper<br>
    Chief Financial Officer, Vice President of Finance and Administration and Secretary<br>
    RadiSys Corporation<br>
    5445 NE Dawson Creek Drive<br>
    Hillsboro, Oregon 97124<br>
    (503) 615-1100<br>
    (Name, address and telephone number, including area code, of agent for service)
    </font></p>
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif">Copies to:<br>
    Daniel W. Rabun<br>
    Baker &amp; McKenzie<br>
    2001 Ross Avenue, Suite 2300<br>
    Dallas, Texas 75201</font></p>
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif">CALCULATION OF REGISTRATION
    FEE</font></p>
  <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0">
    <TR VALIGN="BOTTOM">
      <TH COLSPAN="2"></TH>
      <TH COLSPAN="2"></TH>
      <TH COLSPAN="3"></TH>
      <TH COLSPAN="2"></TH>
      <TH></TH>
    </TR>
    <TR>
      <TD COLSPAN="10"><HR NOSHADE COLOR="Black" SIZE="4"></TD>
    </TR>
    <TR align="center" VALIGN="BOTTOM">
      <TD><font size="2" face="Times New Roman, Times, serif">Title of Securities
        to be<br>
        Registered</font></TD>
      <TD width="3%">&nbsp;</TD>
      <TD width="10%"><font size="2" face="Times New Roman, Times, serif">Amount
        to be<br>
        Registered (1)</font></TD>
      <TD width="3%">&nbsp;</TD>
      <TD colspan="2"><font size="2" face="Times New Roman, Times, serif">Proposed
        Maximum<br>
        Offering Price<br>
        Per Share (2)</font></TD>
      <TD width="3%">&nbsp;</TD>
      <TD width="10%"><font size="2" face="Times New Roman, Times, serif">Proposed
        Maximum<br>
        Aggregate Offering<br>
        Price</font></TD>
      <TD width="3%">&nbsp;</TD>
      <TD><font size="2" face="Times New Roman, Times, serif">Amount of<br>
        Registration<br>
        Fee</font></TD>
    </TR>
    <TR>
      <TD COLSPAN="10"><HR NOSHADE COLOR="Black" SIZE="4"></TD>
    </TR>
    <TR VALIGN="BOTTOM">
      <TD ALIGN="LEFT" valign="top"><font size="2" face="Times New Roman, Times, serif">2001
        NONQUALIFIED STOCK OPTION PLAN<br>
        &nbsp;&nbsp;Common Stock, no par value</font></TD>
      <TD ALIGN="LEFT">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">750,000
        shares</font></TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD colspan="2" ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">
        $12.55</font></TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">$&nbsp;&nbsp;9,412,500</font></TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">$761.47</font></TD>
    </TR>
    <TR>
      <TD COLSPAN="10" valign="top"> <HR NOSHADE COLOR="Black" SIZE="1"></TD>
    </TR>
    <TR VALIGN="BOTTOM">
      <TD ALIGN="LEFT" valign="top"><font size="2" face="Times New Roman, Times, serif">1996
        EMPLOYEE STOCK PURCHASE PLAN<br>
        &nbsp;&nbsp;Common Stock, no par value</font></TD>
      <TD ALIGN="LEFT">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">1,000,000
        shares</font></TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD colspan="2" ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">
        $12.55</font></TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">$12,550,000</font></TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">$1,015.30</font></TD>
    </TR>
    <TR>
      <TD COLSPAN="10" valign="top"> <HR NOSHADE COLOR="Black" SIZE="1"></TD>
    </TR>
    <TR VALIGN="BOTTOM">
      <TD ALIGN="LEFT" valign="top"><font size="2" face="Times New Roman, Times, serif">TOTAL</font></TD>
      <TD ALIGN="LEFT">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">1,750,000
        shares</font></TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD width="3%" ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD width="10%" ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">$21,962,500</font></TD>
      <TD ALIGN="LEFT" valign="top">&nbsp;</TD>
      <TD ALIGN="center" valign="top"><font size="2" face="Times New Roman, Times, serif">$1,776.77</font></TD>
    </TR>
    <TR>
      <TD COLSPAN="10"><HR NOSHADE COLOR="Black" SIZE="4"></TD>
    </TR>
  </TABLE>
  <p ALIGN="LEFT"><FONT size="2" FACE="Times New Roman, Times, serif">(1) Pursuant
    to Rule 416, this Registration Statement also covers any additional shares of
    Common Stock which may be issuable pursuant to the antidilution provisions of
    the RadiSys Corporation 2001 Nonqualified Stock Option Plan or the RadiSys Corporation
    1996 Employee Stock Purchase Plan.</FONT></p>
  <p ALIGN="LEFT"><FONT size="2" FACE="Times New Roman, Times, serif">(2) Estimated
    solely for purposes of calculating the registration fee pursuant to Rule 457
    (c) and (h). The price is based upon the average of the high and low prices
    of RadiSys Corporation Common Stock on June 24, 2003, as reported on the Nasdaq
    National Market.</FONT> </p>
  <p ALIGN="LEFT">&nbsp;</p>
  <hr size="2" noshade>
  <P align="left" style="page-break-before:always"></P>
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif"><b>EXPLANATORY STATEMENT</b></font></p>
  <p ALIGN="LEFT"><font size="2" face="Times New Roman, Times, serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This
    Registration Statement is filed pursuant to General Instruction E to Form S-8
    by RadiSys Corporation, an Oregon corporation, in order to register (1) 750,000
    shares of Common Stock, which shares are in addition to those previously registered
    on the Registration Statement on Form S-8 (File No. 333-68362) filed with the
    Securities and Exchange Commission (the &#147;Commission&#148;) on August 24,
    2001, for issuance pursuant to the RadiSys Corporation 2001 Nonqualified Stock
    Option Plan, and (2) 1,000,000 shares of Common Stock, which shares are in addition
    to those previously registered on a Registration Statement on Form S-8 (File
    No. 333-00514) filed with the Commission on January 18, 1996, on a Registration
    Statement on Form S-8 (File No. 333-80089) filed with the Commission on June
    4, 1999, on a Registration Statement on Form S-8 (File No. 333-38988) filed
    with the Commission on June 9, 2000 and on a Registration Statement on Form
    S-8 (File No. 333-68362) filed with the Commission on August 24, 2001, for issuance
    pursuant to the RadiSys Corporation 1996 Employee Stock Purchase Plan. The contents
    of the Registration Statements on Form S-8 (File Nos. 333-68362, 333-00514,
    333-80089 and 333-38988) previously filed with the Commission on August 24,
    2001, January 18, 1996, June 4, 1999 and June 9, 2000, respectively, are incorporated
    herein by reference.</font></p>
  <p></p>
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif"><b>PART
    II</b></font></p>
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif"><b>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</b></font></p>
  <p ALIGN="LEFT"><font size="2" face="Times New Roman, Times, serif">Item 8. Exhibits</font></p>
  
  <table width="100%"  border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="10%" align="center" valign="bottom"><font size="2" face="Times New Roman, Times, serif">Exhibit<br>
        <u>Number</u></font></td>
      <td width="3%">&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td align="center">&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td align="center" valign="top"><font size="2" face="Times New Roman, Times, serif">5</font></td>
      <td>&nbsp;</td>
      <td valign="top"><font size="2" face="Times New Roman, Times, serif"><a href="e300456_ex5.htm">Opinion
        of Baker &amp; McKenzie</a></font></td>
    </tr>
    <tr>
      <td align="center" valign="top"><font size="2" face="Times New Roman, Times, serif">23.1</font></td>
      <td>&nbsp;</td>
      <td valign="top"><font size="2" face="Times New Roman, Times, serif"><a href="e300456_ex23-1.htm">Consent
        of PricewaterhouseCoopers LLP</a></font></td>
    </tr>
    <tr>
      <td align="center" valign="top"><font size="2" face="Times New Roman, Times, serif">23.2</font></td>
      <td>&nbsp;</td>
      <td valign="top"><font size="2" face="Times New Roman, Times, serif"><a href="e300456_ex5.htm">Consent
        of Baker &amp; McKenzie (See Exhibit 5)</a></font></td>
    </tr>
    <tr>
      <td align="center" valign="top"><font size="2" face="Times New Roman, Times, serif">24</font></td>
      <td>&nbsp;</td>
      <td valign="top"><font size="2" face="Times New Roman, Times, serif"><a href="e300456_ex24.htm">Powers
        of Attorney</a> </font></td>
    </tr>
  </table>
  <p>&nbsp;</p>
  <hr size="2" noshade>
  <P align="left" style="page-break-before:always">&nbsp;</P>
  <p ALIGN="center"><font size="2" face="Times New Roman, Times, serif"><b>SIGNATURES</b></font></p>
  <p ALIGN="LEFT"><font size="2" face="Times New Roman, Times, serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
    Registrant. Pursuant to the requirements of the Securities Act of 1933, the
    registrant certifies that it has reasonable grounds to believe that it meets
    all of the requirements for filing on Form S-8 and has duly caused this Registration
    Statement to be signed on its behalf by the undersigned, thereunto duly authorized,
    in the City of Hillsboro, State of Oregon, on this 30<SUP>th</SUP> day of June,
    2003.</font> </p>
  <table width="100%"  border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="50%">&nbsp;</td>
      <td width="3%">&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">RADISYS CORPORATION</font></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">By:</font></td>
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ Scott C. Grout</u></font></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Scott C. Grout, President,
        Chief Executive Officer and Director</font></td>
    </tr>
  </table>
  <p ALIGN="LEFT"><font size="2" face="Times New Roman, Times, serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
    to the requirements of the Securities Act of 1933, this Registration Statement
    has been signed by the following persons in the capacities and on the date indicated.</font>
  </p>
  <table width="100%"  border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="30%"><font size="2" face="Times New Roman, Times, serif"><u>Name</u></font></td>
      <td>&nbsp;</td>
      <td width="30%"><font size="2" face="Times New Roman, Times, serif"><u>Title</u></font></td>
      <td>&nbsp;</td>
      <td width="30%" align="center"><font size="2" face="Times New Roman, Times, serif"><u>Date</u></font></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ Scott C. Grout</u><br>
        Scott C. Grout</font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">President, Chief Executive
        Officer and Director</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif">June
        30, 2003</font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ Julia A. Harper</u><br>
        Julia A. Harper</font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Chief Financial Officer,
        Vice President of Finance and Administration and Secretary</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif">June
        30, 2003</font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ C. Scott Gibson*</u><br>
        C. Scott Gibson</font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Chairman of the Board
        and Director</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif">June
        30, 2003</font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ James F. Dalton*
        </u><br>
        James F. Dalton</font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Director</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif">June
        30, 2003 </font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ Richard J.
        Faubert*</u><br>
        Richard J. Faubert</font> </td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Director</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif">June
        30, 2003</font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ Dr. William
        W. Lattin*</u><br>
        Dr. William W. Lattin</font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Director</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif"> June
        30, 2003 </font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ Carl Neun*</u><br>
        Carl Neun</font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Director</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif">June
        30, 2003 </font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ Jean-Pierre
        D. Patkay* </u><br>
        Jean-Pierre D. Patkay</font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Director</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif">June
        30, 2003 </font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>/s/ Jean-Claude
        Peterschmitt* </u><br>
        Jean-Claude Peterschmitt </font></td>
      <td>&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif">Director</font></td>
      <td>&nbsp;</td>
      <td align="center"><font size="2" face="Times New Roman, Times, serif">June
        30, 2003</font></td>
    </tr>
    <tr valign="top">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
    <tr valign="top">
      <td><font size="2" face="Times New Roman, Times, serif"><u>* By /s/ Scott
        C. Grout</u><br>
        Scott C. Grout, as attorney-in-fact </font></td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td align="center">&nbsp;</td>
    </tr>
  </table>
  <p>&nbsp;</p>
  <p ALIGN="LEFT"></p>
  <hr size="2" noshade>
  <P align="left" style="page-break-before:always">&nbsp;</P>
  <p ALIGN="CENTER"><font size="2" face="Times New Roman, Times, serif"><b>EXHIBIT INDEX</b></font></p>
  <table width="100%"  border="0" cellspacing="0" cellpadding="0">
    <tr valign="bottom">
      <td width="10%" align="center"><font size="2" face="Times New Roman, Times, serif">Exhibit<br>
        <u>Number</u></font></td>
      <td width="3%">&nbsp;</td>
      <td><font size="2" face="Times New Roman, Times, serif"><u>Description</u></font></td>
    </tr>
    <tr>
      <td align="center">&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td align="center" valign="top"><font size="2" face="Times New Roman, Times, serif">5</font></td>
      <td>&nbsp;</td>
      <td valign="top"><font size="2" face="Times New Roman, Times, serif">Opinion
        of Baker &amp; McKenzie</font></td>
    </tr>
    <tr>
      <td align="center" valign="top"><font size="2" face="Times New Roman, Times, serif">23.1</font></td>
      <td>&nbsp;</td>
      <td valign="top"><font size="2" face="Times New Roman, Times, serif">Consent
        of PricewaterhouseCoopers LLP</font></td>
    </tr>
    <tr>
      <td align="center" valign="top"><font size="2" face="Times New Roman, Times, serif">23.2</font></td>
      <td>&nbsp;</td>
      <td valign="top"><font size="2" face="Times New Roman, Times, serif">Consent
        of Baker &amp; McKenzie (See Exhibit 5)</font></td>
    </tr>
    <tr>
      <td align="center" valign="top"><font size="2" face="Times New Roman, Times, serif">24</font></td>
      <td>&nbsp;</td>
      <td valign="top"><font size="2" face="Times New Roman, Times, serif">Powers
        of Attorney </font></td>
    </tr>
  </table>
  <p>&nbsp;</p>
  <hr size="2" noshade>
  <p>&nbsp;</p>
  </body></html>
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metadata_filer: {"company-data": {"conformed-name": "RADISYS CORP", "cik": "0000873044", "assigned-sic": "3577", "irs-number": "930945232", "state-of-incorporation": "OR", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-106670", "film-number": "03765263"}, "business-address": {"street1": "5445 NE DAWSON CREEK DR", "city": "HILLSBORO", "state": "OR", "zip": "97124", "phone": "5036461800"}, "mail-address": {"street1": "5445 NE DAWSON CREEK DRIVE", "city": "HILLSBORO", "state": "OR", "zip": "97124"}}
text: Radisys Form S-8
  As filed with the Securities
    and Exchange Commission on June 30, 2003
  Registration
    No. 333-____________
  UNITED
    STATES SECURITIES AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  FORM
    S-8
  REGISTRATION
    STATEMENT UNDER THE SECURITIES ACT OF 1933
  RADISYS
    CORPORATION
  (Exact name of registrant as specified in its charter)
  Oregon
  93-0945232
  (State or other jurisdiction
        of incorporation or organization)
  (I.R.S. Employer Identification
        No.)
  5445 NE Dawson Creek Drive
  Hillsboro, Oregon 97124
  (Address of principal executive offices, including zip code)
  RadiSys Corporation
    2001 Nonqualified Stock Option Plan
  RadiSys Corporation 1996 Employee Stock Purchase Plan
  (Full title of the plans)
  Julia A. Harper
  Chief Financial Officer, Vice President of Finance and Administration and Secretary
  RadiSys Corporation
  5445 NE Dawson Creek Drive
  Hillsboro, Oregon 97124
  (503) 615-1100
  (Name, address and telephone number, including area code, of agent for service)
  Copies to:
  Daniel W. Rabun
  Baker & McKenzie
  2001 Ross Avenue, Suite 2300
  Dallas, Texas 75201
  CALCULATION OF REGISTRATION
    FEE
  Title of Securities
        to be
  Registered
  Amount
        to be
  Registered (1)
  Proposed
        Maximum
  Offering Price
  Per Share (2)
  Proposed
        Maximum
  Aggregate Offering
  Price
  Amount of
  Registration
  Fee
  2001
        NONQUALIFIED STOCK OPTION PLAN
  Common Stock, no par value
  750,000
        shares
  $12.55
  $  9,412,500
  $761.47
  1996
        EMPLOYEE STOCK PURCHASE PLAN
  Common Stock, no par value
  1,000,000
        shares
  $12.55
  $12,550,000
  $1,015.30
  TOTAL
  1,750,000
        shares
  $21,962,500
  $1,776.77
  (1) Pursuant
    to Rule 416, this Registration Statement also covers any additional shares of
    Common Stock which may be issuable pursuant to the antidilution provisions of
    the RadiSys Corporation 2001 Nonqualified Stock Option Plan or the RadiSys Corporation
    1996 Employee Stock Purchase Plan.
  (2) Estimated
    solely for purposes of calculating the registration fee pursuant to Rule 457
    (c) and (h). The price is based upon the average of the high and low prices
    of RadiSys Corporation Common Stock on June 24, 2003, as reported on the Nasdaq
    National Market.
  EXPLANATORY STATEMENT
  This
    Registration Statement is filed pursuant to General Instruction E to Form S-8
    by RadiSys Corporation, an Oregon corporation, in order to register (1) 750,000
    shares of Common Stock, which shares are in addition to those previously registered
    on the Registration Statement on Form S-8 (File No. 333-68362) filed with the
    Securities and Exchange Commission (the "Commission") on August 24,
    2001, for issuance pursuant to the RadiSys Corporation 2001 Nonqualified Stock
    Option Plan, and (2) 1,000,000 shares of Common Stock, which shares are in addition
    to those previously registered on a Registration Statement on Form S-8 (File
    No. 333-00514) filed with the Commission on January 18, 1996, on a Registration
    Statement on Form S-8 (File No. 333-80089) filed with the Commission on June
    4, 1999, on a Registration Statement on Form S-8 (File No. 333-38988) filed
    with the Commission on June 9, 2000 and on a Registration Statement on Form
    S-8 (File No. 333-68362) filed with the Commission on August 24, 2001, for issuance
    pursuant to the RadiSys Corporation 1996 Employee Stock Purchase Plan. The contents
    of the Registration Statements on Form S-8 (File Nos. 333-68362, 333-00514,
    333-80089 and 333-38988) previously filed with the Commission on August 24,
    2001, January 18, 1996, June 4, 1999 and June 9, 2000, respectively, are incorporated
    herein by reference.
  PART
    II
  INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
  Item 8. Exhibits
  Exhibit
  Number
  5
  Opinion
        of Baker & McKenzie
  23.1
  Consent
        of PricewaterhouseCoopers LLP
  23.2
  Consent
        of Baker & McKenzie (See Exhibit 5)
  24
  Powers
        of Attorney
  SIGNATURES
  The
    Registrant. Pursuant to the requirements of the Securities Act of 1933, the
    registrant certifies that it has reasonable grounds to believe that it meets
    all of the requirements for filing on Form S-8 and has duly caused this Registration
    Statement to be signed on its behalf by the undersigned, thereunto duly authorized,
    in the City of Hillsboro, State of Oregon, on this 30
  th
  day of June,
    2003.
  RADISYS CORPORATION
  By:
  /s/ Scott C. Grout
  Scott C. Grout, President,
        Chief Executive Officer and Director
  Pursuant
    to the requirements of the Securities Act of 1933, this Registration Statement
    has been signed by the following persons in the capacities and on the date indicated.
  Name
  Title
  Date
  /s/ Scott C. Grout
  Scott C. Grout
  President, Chief Executive
        Officer and Director
  June
        30, 2003
  /s/ Julia A. Harper
  Julia A. Harper
  Chief Financial Officer,
        Vice President of Finance and Administration and Secretary
  June
        30, 2003
  /s/ C. Scott Gibson*
  C. Scott Gibson
  Chairman of the Board
        and Director
  June
        30, 2003
  /s/ James F. Dalton*
  James F. Dalton
  Director
  June
        30, 2003
  /s/ Richard J.
        Faubert*
  Richard J. Faubert
  Director
  June
        30, 2003
  /s/ Dr. William
        W. Lattin*
  Dr. William W. Lattin
  Director
  June
        30, 2003
  /s/ Carl Neun*
  Carl Neun
  Director
  June
        30, 2003
  /s/ Jean-Pierre
        D. Patkay*
  Jean-Pierre D. Patkay
  Director
  June
        30, 2003
  /s/ Jean-Claude
        Peterschmitt*
  Jean-Claude Peterschmitt
  Director
  June
        30, 2003
  * By /s/ Scott
        C. Grout
  Scott C. Grout, as attorney-in-fact
  EXHIBIT INDEX
  Exhibit
  Number
  Description
  5
  Opinion
        of Baker & McKenzie
  23.1
  Consent
        of PricewaterhouseCoopers LLP
  23.2
  Consent
        of Baker & McKenzie (See Exhibit 5)
  24
  Powers
        of Attorney