**Exhibit 31.2**

**CERTIFICATION PURSUANT TO RULE 15d-14**

**OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED**

**AS ADOPTED PURSUANT TO**

**SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**

I, Michael Mazzoni, Chief Financial Officer of OPTi Inc., certify that: 

1. I have reviewed this annual report on Form 10-K of OPTi Inc.; 

2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under whichsuch statements were made, not misleading with respect to the period covered by this annual report; 

3. Based on my knowledge, thefinancial statements, and other financial information included in this annual report, fairly present all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in thisannual report; 

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosurecontrols and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and we have: 

a) designed such disclosurecontrols and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by otherswithin those entities, particularly during the period in which this annual report is prepared; 

b) deigned such internalcontrol over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generally accepted accounting principles; 

c) evaluated theeffectiveness of the registrant’s disclosure controls and procedures and presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this annualreport based on such evaluation; and 

d) disclosed in this annual report any change in the registrant’s internalcontrol over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materiallyaffect, the registrant’s internal control over financial reporting; and 

5. The registrant’s certifying officers and I havedisclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financialreporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and 

b) any, fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting. 

June 26, 2009