Oak Technology Supplies High-Speed Controller for Accesstek's New 48X/16X/48X CD-R/RW Recorder

7/22/2002 - Oak Technology, Inc. (Nasdaq: OAKT), a leading provider of embedded solutions for the digital imaging and optical storage markets, today announced that Accesstek's new CW4802 CD-R/RW (Compact Disc Recordable/ReWritable) recorder uses Oak's optical storage controller technology.

Designed around Oak's OTI-9797T controller, the CW4802 features the industry's leading 48X CD-R write speed, 16X CD-RW rewrite speed, and industry-leading 48X CD read speed. This high performance allows the CW4802 to write a 74 minute audio CD-R disc in under two and a half minutes and to rewrite a 650MB data CD-RW disc in under six minutes.

CD-R/RW drives are the fastest growing segment in the optical storage market and are rapidly replacing CD-ROM drives in both business and home PCs. The business market for CD-R/RW drives is driven by the requirement to exchange files of up to 650MB in size for which the old 1.4MB floppy diskette standard is inadequate. The home PC market uses CD-R/RW drives for a range of applications including the creation of custom audio, video, or photo CDs and data archiving.

The CW4802 incorporates Oak's ExacLink™ buffer under-run technology, which, together with a two megabyte buffer provides one of the highest success rates, and disc quality when burning CD-R discs.

"Oak's OTI-9797T provided Accesstek the basis to develop this innovative drive. The market is just introducing 40X CD-R drives. Using Oak's advanced OTI-9797T controller, the CW4802 is one of the first drives on the market to offer 48X CD-R recording speeds, thus allowing us to offer our PC OEMs one of the fastest drives available today," said Stephen Liao, president, Accesstek. "The high silicon integration in Oak's OTI-9797T controller is crucial in allowing Accesstek to lead the market in providing faster, higher performing drives."

"CD-R speeds are ramping at a competitive pace. Now Accesstek has raised the stakes by combining 16X CD-RW speed with industry-leading 48X CD-R performance in the same drive. This is another example of Oak's OTI-9797T controller and ExacLink technology enabling our customers to offer leadership products in both performance and drive affordability," said Clark Foy, vice president of Product Marketing for Oak's Optical Storage Group.

Oak's OTI-9797T Controller
Oak's OTI-9797T controller employs partial and full CAV (Constant Angular Velocity) write plus dynamic write strategy, allowing a high degree of programmability and flexibility in the implementation of CD-R and CD-RW write strategies. In addition to a highly automated block decoder/encoder, the OTI-9797T integrates a 48X CD-DSP that uses Oak's proprietary slicing technique and digital symmetry control to offer increased frequencies and gain programmability. The OTI-9797T digital CD servo provides highly accurate and advanced track counting, enabling the unit to jump an exact number of tracks - up to 2047 tracks - to substantially reduce seek time.

The CD wobble decoder/servo block supports speeds up to 48X and allows CD encoding at all legacy speeds from 1X to 48X as well as providing tracking CLV servo control up to 48X. Tracking CLV is an advanced feature for partial CAV and Zoned CLV drives which allows for constant average speed recording that tracks motor speed variations resulting in higher fidelity recording speeds when compared to actual media speed. The OTI-9797T also has integrated audio DAC and filter circuitry.

About Accesstek
Accesstek Inc. is an optical storage drive manufacturer. The company was founded in August 2000 by a group of R&D and industry professionals from the optical storage field. Ever since Accesstek was established, the company focuses on solid R&D capability and innovational design. Accesstek has developed a series of high-speed CD-RW and COMBO drives. Besides taking OEM/ODM orders, the company markets globally by the brand name of OptoRite® at the same time.

About Oak Technology
Oak Technology, Inc., a leading provider of solutions for the storage, manipulation and distribution of digital content, is committed to driving the emerging world of connected Information Appliances. The company's fully integrated products and technologies target two key markets: optical storage (CD-RW and DVD for PC and consumer) and digital imaging (advanced copiers, printers, faxes, scanners and MFPs). Founded in 1987, Oak is headquartered in Sunnyvale, Calif., and has sales offices, design centers and research facilities around the world. The company trades on the Nasdaq Stock Exchange under the symbol OAKT. Additional information about Oak and its digital solutions can be found at www.oaktech.com

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: In addition to the historical information contained herein, statements in this press release may contain forward-looking statements within the meaning of the Federal securities laws and are subject to the safe harbors created thereby. The foregoing statements may consist of forward-looking statements that involve risks and uncertainties. These statements may differ materially from actual future events or results. Factors that could cause actual outcome to differ materially from those set forth include, without limitation, the rate of adoption of new technology, the rate of growth of the CD-RW drive market, changes in product mix, distribution channels, or manufacturing costs; the demand for semiconductors and end-user products that incorporate semiconductors and optical disk drives; technological difficulties and resource constraints encountered in developing and/or introducing new products, and market acceptance of new products. Forward-looking statements contained in this press release regarding expected financial results, industry trends, sales and future product development and business strategies and activities should be considered in light of these factors, and those factors discussed from time to time the Company's public reports filed with the Securities and Exchange Commission, such as those discussed in the Company's Annual Report on Form 10K for fiscal year ending June 30, 2001, and in quarterly reports on Form 10Q.

Oak Technology is a registered trademark of Oak Technology, Inc. ExacLink and the Oak logo are common law trademarks of Oak Technology, Inc.

Editorial Contact:
Rebecca DiCorti
Oak Technology, Inc.
(408) 523-6658

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