1 EXHIBIT 5.2 [EVANS, KEANE LLP LETTERHEAD] June 11, 1998 MCMS, Inc. 16399 Franklin Road Nampa, Idaho 83687 RE: Offer by MCMS, Inc. to Exchange its (i) Series B 9 3/4% Senior Subordinated Notes due 2008 for any and all of its 9 3/4% Senior Subordinated Notes due 2008 (ii) Series B Floating Interest Rate Subordinated Term Securities due 2008 for any and all of its Floating Interest Rate Subordinated Term Securities due 2008 and (iii) Series B 12 1/2% Senior Exchangeable Preferred Stock for any and all of its 12 1/2% Senior Exchangeable Preferred Stock Ladies and Gentlemen: We are acting as special counsel to MCMS, Inc., an Idaho corporation (the "Company"), in connection with the proposed registration of up to $47,500,000 (475,000 shares) of the Company's Series B 12 1/2% Senior Exchangeable Preferred Stock (the "Exchange Preferred Stock"). The Exchange Preferred Stock is being registered pursuant to a Registration Statement on Form S-4, Registration No. 333-50981, originally filed with the Securities and Exchange Commission (the "Commission") on April 24, 1998 under the Securities Act of 1933, as amended (the "Securities Act") (such Registration Statement, as amended or supplemented, is hereinafter referred to as the "Registration Statement"), for the purpose, inter alia, of effecting an exchange offer (the "Exchange Offer") for the Company's 12 1/2% Senior Exchangeable Preferred Stock (the "Preferred Stock"). The Exchange Preferred Stock are to be issued pursuant to the Certificate of Designation of the Powers, Preferences and Relative, Participating, Optional and Other Special Rights of 12 1/2% Senior Exchangeable Preferred Stock and 12 1/2% Series B Senior Exchangeable Preferred Stock and Qualifications, Limitations and Restrictions Thereof, as filed with the Idaho Secretary of State on February 24, 1998 (the "Certificate of Designation"), in exchange for and in replacement of the Company's outstanding Preferred Stock, of which $25,000,000 in liquidation preference is outstanding. 2 MCMS, Inc. June 11, 1998 Page 2 In connection with the Exchange Offer, we have examined originals, or copies certified or otherwise identified to our satisfaction, of such documents, corporate records and other instruments as we have deemed necessary for the purposes of this opinion, including (i) the corporate and organizational documents of the Company, (ii) minutes and records of the corporate proceedings of the Company with respect to the issuance of the Exchange Preferred Stock, (iii) the Registration Statement and exhibits thereto, and (iv) the Certificate of Designation. For purposes of this opinion, we have assumed the authenticity of all documents submitted to us as originals, the conformity to the originals of all documents submitted to us as copies and the authenticity of the originals of all documents submitted to us as copies. We have also assumed the genuineness of the signatures of persons signing all documents in connection with which this opinion is rendered, the authority of such persons signing on behalf of the parties thereto, and the due authorization, execution and delivery of all documents by the parties thereto. As to any facts material to the opinions expressed herein which we have not independently established or verified, we have relied upon statements and representations of officers and other representatives of the Company and others. Based upon and subject to the foregoing qualifications, assumptions and limitations and the further limitations set forth below, we are of the opinion that the Exchange Preferred Stock has been duly authorized and when, as and if (i) the Registration Statement shall have become effective pursuant to the provisions of the Securities Act, (ii) the Company's Preferred Stock shall have been validly tendered to the Company; and (iii) the Exchange Preferred Stock shall have been issued in the form and containing the terms described in the Registration Statement, the Certificate of Designation, the resolutions of the Company's Board of Directors (or authorized committee thereof) authorizing the foregoing and any legally required consents, approvals, authorizations and other order of the Commission and any other regulatory authorities to be obtained, the Exchange Preferred Stock will be validly issued, fully paid and non-assessable. Our opinion expressed above is subject to the qualifications that we express no opinion as to the applicability of, compliance with, or effect of (i) any bankruptcy, insolvency, reorganization, fraudulent transfer, fraudulent conveyance, moratorium or other similar law affecting the enforcement of creditors' rights generally, (ii) general principles of equity (regardless of whether enforcement is considered in a proceeding in equity or at law), (iii) public policy considerations which may limit the rights of parties to obtain certain remedies; and (iv) any laws except the Idaho Business Corporation Act as in effect in the State of Idaho. Without limiting the generality of the foregoing, we specifically express no opinion as to the application of , compliance with or effect of (a) application of the laws of the United States of America, including without limitation the Securities Act of 1933, as amended, and rules, regulations and interpretations thereunder and the Securities Exchange Act of 1934, as amended, and rules, regulations and interpretations thereunder; and (b) blue sky laws of any state (including Idaho). We express no opinion as to matters contained 3 MCMS, Inc. June 11, 1998 Page 3 in the Registration Statement other than the issuance by the Company of the Exchange Preferred Stock. We advise you that issues addressed by this letter may be governed in whole or in part by other laws, but we express no opinion as to whether any relevant difference exists between the laws upon which our opinions are based and any other laws which may actually govern. For purposes of this opinion we have relied upon recent certificates issued by the Idaho Secretary of State with respect to the Company, and such opinion is not intended to provide any conclusion or assurance beyond that conveyed by such certificates. We have assumed without investigation that there has been no relevant change or development between the respective dates of such certificates and the date of this letter. We hereby consent to the filing of this opinion as Exhibit 5.2 to the Registration Statement, and to the reference to our firm under the heading "Legal Matters" in the prospectus constituting a part of the Registration Statement. In giving this consent, we do not thereby admit that we are in the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations of the Commission. This opinion is limited to the specific issues addressed herein, and no opinion is implied or may be inferred beyond the matters expressly stated herein. This opinion is delivered and is effective as of the date of this opinion first shown above. Accordingly, this opinion is based on matters existing on such date and we undertake no, and hereby disclaim any, obligation after the date of this opinion to advise you of any change in any of the opinions rendered herein or any change in any of the facts upon which any such opinions may be based, and we assume no obligation to revise or supplement this opinion should the present Idaho Business Corporation Act be changed by legislative action, judicial decision or otherwise. This opinion is furnished to you in connection with the filing of the Registration Statement, and is not to be used, circulated, quoted or otherwise relied upon for any other purposes. Very truly yours, EVANS, KEANE LLP