EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the use in the Prospectus constituting part of this Registration Statement on Form S-1 of our report dated December 11, 1995 relating to the financial statements of STB Systems, Inc., which appears in such Prospectus. We also consent to the application of such report to the Financial Statement Schedules for the three years ended October 31, 1995 listed under items 16(b) of this Registration Statement when such schedules are read in conjunction with the financial statements referred to in our report. The audits referred to in such report also included these schedules. We also consent to the references to us under the headings "Experts" and "Selected Consolidated Financial Data" in such Prospectus. However, it should be noted that Price Waterhouse LLP has not prepared or certified such "Selected Consolidated Financial Data." PRICE WATERHOUSE LLP Dallas, Texas October 17, 1996