SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 2)*
RadiSys Corporation
______________________________________
(Name of Issuer)
Common Stock
______________________________________
(Title of Class of Securities)
750459109
______________________________________
(CUSIP Number)
*The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect to
the subject class of securities, and for any subsequent
amendment containing information which would alter the disclosures
provided in a prior cover page.
The information required in the remainder of this cover page
shall not be deemed to be "filed" for the purpose of Section 18
of the Securities Exchange Act of 1934 ("Act") or otherwise
subject to the liabilities of that section of the Act but shall
be subject to all other provisions of the Act (however, see the
Notes).
<PAGE>
CUSIP NO. 750459109
1. NAME OF REPORTING PERSON:
TEKTRONIX DEVELOPMENT COMPANY
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
(a) / /
(b) / /
3. SEC USE ONLY:
4. CITIZENSHIP OR PLACE OF ORGANIZATION:
OREGON
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:
5. SOLE VOTING POWER:
490,651
6. SHARED VOTING POWER:
0
7. SOLE DISPOSITIVE POWER:
490,651
8. SHARED DISPOSITIVE POWER:
0
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON:
490,651
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES:
/ /
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
6.3 PERCENT
12. TYPE OF REPORTING PERSON:
CO
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<PAGE>
CUSIP NO. 750459109
1. NAME OF REPORTING PERSON:
TEKTRONIX, INC.
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
(a) / /
(b) / /
3. SEC USE ONLY:
4. CITIZENSHIP OR PLACE OF ORGANIZATION:
OREGON
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:
5. SOLE VOTING POWER:
490,651
6. SHARED VOTING POWER:
0
7. SOLE DISPOSITIVE POWER:
490,651
8. SHARED DISPOSITIVE POWER:
0
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON:
490,651
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES:
/ /
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
6.3 PERCENT
12. TYPE OF REPORTING PERSON:
CO
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<PAGE>
Tektronix, Inc., an Oregon corporation ("Tektronix"), owning 100
percent of the outstanding voting securities of Tektronix
Development Company, joins in this filing.
Item 1(a). Name of Issuer:
RadiSys Corporation
Item 1(b). Address of Issuer's Principal Executive Offices:
15025 S.W. Koll Parkway
Beaverton, OR 97006
Item 2(a). Names of Persons Filing:
This Schedule 13G is filed on behalf of
Tektronix Development Company ("TDC") and
Tektronix. TDC is a wholly-owned subsidiary
of Tektronix.
Item 2(b). Address of Principal Business Office, or if none,
Residence:
The principal business office of TDC is
26600 SW Parkway Avenue, Wilsonville, OR
97070. The principal business office of
Tektronix is 26600 SW Parkway Avenue,
Wilsonville, OR 97070.
Item 2(c). Citizenship:
TDC and Tektronix are corporations
incorporated under the laws of Oregon.
Item 2(d). Title of Class of Securities:
Common Stock
Item 2(e). CUSIP Number:
750459109
Item 3. Type of Reporting Person:
NOT APPLICABLE
Item 4. Ownership:
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<PAGE>
TDC is a wholly-owned subsidiary of Tektronix.
On December 31, 1997, TDC held a total of
490,651 shares of the Issuer's Common Stock
which represented approximately 6.3 percent of
the class. TDC (and therefore Tektronix by
virtue of its 100 percent ownership of TDC)
has sole power to vote or to direct the vote
and sole power to dispose or to direct the
disposition of the 490,651 shares of the
Issuer's Common Stock.
Item 5. Ownership of Five Percent or Less of a Class:
NOT APPLICABLE
Item 6. Ownership of More than Five Percent on Behalf of
Another Person:
NOT APPLICABLE
Item 7. Identification and Classification of the
Subsidiary Which Acquired the Security Being
Reported on By the Parent Holding Company:
NOT APPLICABLE
Item 8. Identification and Classification of Members of
the Group:
NOT APPLICABLE
Item 9. Notice of Dissolution of Group:
NOT APPLICABLE
Item 10. Certification:
NOT APPLICABLE
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<PAGE>
SIGNATURE
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this agreement
is true, complete and correct.
Date: February 12, 1998
TEKTRONIX DEVELOPMENT COMPANY
By: /s/ JOHN P. KARALIS
_________________________
John P. Karalis
Chairman and President
TEKTRONIX, INC.
By: /s/ JOHN P. KARALIS
_________________________
John P. Karalis
Senior Vice President
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