Document:

<PAGE>

                                                                    Exhibit 10.7

CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS OF THIS DOCUMENT HAVE
BEEN REDACTED AND HAVE BEEN SEPARATELY FILED WITH THE SECURITIES AND EXCHANGE
COMMISSION.

(graphic)                 CAESAR INTERNATIONAL, INC.
          2333 Zanker Road, San Jose, CA 5131   Tel. # (408) 474-0808
                             FAX # (408) 474-0800

     August 20, 1998

     Mr. Yee Lok Wong
     InteGraphics, Inc.
     4001 Burton Drive
     Santa Clara, CA 95054

                     Subject:  Quotation No. IGS-0898-001

Dear Mr. Wong,

     Caesar Technology, Inc. (CTI) is proud to present the following quotation
for assembly of your plastic devices.

     1.0 Pricing
     -----------

          Quad Flat Pack
          --------------

               CTI Supplied Material
               ---------------------

                    Leadframe:            Copper 7025, spot Ag, stamped
                    Die Attach Epoxy:     Ablestick 84-1 LMIS
                    Bonding Wire:         Gold 1.3 Mils
                    Molding Compound:     Sumitomo 6300HG
                    Lead Finish:          Solder Plate 85/15
                    Shipping tray:        125 deg bakeable JEDEC standard
                    Heatspreader:         Anodized A1

          Lead   Pkg              Body        L/F         Price
                                                          per unit

          208    PQFP w/HS        28 x 28     Stamped      ***
          208    PQFP w/o HS      28 x 28     Stamped      ***

     Note: Price includes Assembly, Heatspreader, Bake & Dry Pack, Tray, AQ
     leadscan.

***CONFIDENTIAL MATERIAL REDACTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION.

                                       1
<PAGE>

                           Quotation No.IGS-0898-001

     2.0 Fast Tract Program
     ----------------------

     Caesar Technology Inc. offers both Fast Track Program (FTP) and Super Fast
     Track Program (SFTP) for all packages we assemble.  Conditions are as
     follows:

          1.   Fast Track Program will be assembled 5 days in house at an 100%
               premium including all miscellaneous charges.
          2.   Super Fast Track Program will be assembled 3 days in house at an
               200% premium including all miscellaneous charges.
          3.   Assumes CTI standard process flow.
          4.   Assumes all material is in house and reserved for said assembly
               and test prior to shipment of die.
          5.   Assumes all documentation is in house and ready to go upon
               receipt of die shipment.
          6.   Capacity must be reserved through U.S. office prior to shipment
               die.

     3.0 Cycle Time
     --------------

     CTI standard in house cycle time is 8 work days. Standard cycle time is
     based on the assumption all material and documentation are in house.

     4.0 Precious Metal Adder:
     ------------------------

          Prices are quoted at an average price of $400 per troy ounce for gold
          and $10.00 per troy ounce for silver.  Prices are based on the
          Englehard fabricated product price on the day of shipment from the
          factory.  CTI reserves the right to renegotiate the assembly pricing
          should the precious metal prices move appreciably from the base
          prices.

     5.0 Terms and Conditions
     ------------------------

          1.   Minimum lot charge is $ *** USD.
          2.   Engineering lot charge is $ *** USD or total assembly cost, which
               ever is greater.
          3.   FOB is Caesar Technology Inc. Chutung, Hsinchu, Taiwan.  CTI will
               not be responsible for product damages/missing...etc. once it
               leaves CTI's door.
          4.   Customer will provide sorted linked wafers with inked die for
               set-up purposes.
          5.   Customer should provide CTI with three months rolling forecast
               for CTI to set up all necessary material stock.

*** CONFIDENTIAL MATERIAL REDACTED AND FILED SEPARATELY WITH THE SECURITIES
    AND EXCHANGE COMMISSION.

                                       2
<PAGE>

                           Quotation No.IGS-0898-001

          6.   In any case, should Customer terminate the production, Customer
               must zero the lead frame stock balance and pay the lead frame
               cost in cash immediately. This applies to non-standard
               materials specific to Customer device only.
          7.   Payment terms are net 30 days upon shipment from Chutung,
               Hsinchu, Taiwan.  A monthly late charge of 2% will be applied to
               all invoices over 30 days outstanding.  If collections and/or
               legal actions will become necessary for unpaid shipments to
               Customers, Customer will have to pay for all charges incurred
               relating to the collections and/or legal activities.
          8.   The assembly price include stamped lead frames or etched
               leadframes whichever is applicable, 125 deg C JEDEC tray or
               Shipping Tubes, AQL sample lead scan and dry packing.
               Additional charges will be applied for different materials used
               or services rendered.
          9.   Assembly prices do not include freight, forwarding fees or
               duties.  A separate invoice will be issued for these charges.
          10.  CTI liability shall be value added through assembly only and this
               quotation supersedes all other warranties.
          11.  All Claims must be made 30 days after product ships from Chutung,
               Hsinchu, Taiwan.
          12.  This quote is based on CTI standard process and shall be
               effective upon receipt of purchase order referencing this
               quotation number.
          13.  The price break applicable for the current month is determined by
               the actual die loading of the previous month.
          14.  This quote is effective for 60 days.  The price will apply for
               shipouts made starting July 1, 1998 from Caesar Technology, Inc.

          On behalf of Caesar Technology Inc., I would like to thank you for the
     opportunity to quote on your assembly requirements.  Please feel free to
     call me or our U.S. office should you have any questions regarding this
     quotation.

     Sincerely,

     /s/ Stephen Lee

     Stephen Lee
     President
     Caesar International, Inc.
     Tel # (408) 474-0808
     Fax # (408) 474-0800

                                       3<PAGE>

                                                                   Exhibit 10.11

CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS OF THIS DOCUMENT
HAVE BEEN REDACTED AND HAVE BEEN SEPARATELY FILED WITH THE SECURITIES AND
EXCHANGE COMMISSION.

                     AUDIO TECHNOLOGY LICENSING AGREEMENT

     This Audio Technology Licensing Agreement (the "Agreement") is made this
26th day of June, 1997 (the Effective Date") between T-Square Design, Inc., a
California corporation with its principal place of business at 4633 Old
Ironsides Drive, Ste. 290, Santa Clara, California 95054 ("T-Square") and
InteGraphics Systems, Inc., a California Corporation with its principal place of
business at 4001 Burton Drive, Santa Clara, California 95054, ("IGS").  (As used
herein, "party" or Parties" will refer to T-Square Design, Inc., InteGraphics
Systems, or both, as the case may be.)

RECITALS

     T-Square Design, Inc. has developed and is developing certain proprietary
semiconductor technology and products, including but not limited to PC Audio
Technology.

     IGS has developed and is developing certain graphics controller-based
products and technology targeting the Multimedia Technology Industry which
includes the integration of Graphics and Audio products, (Audio/Graphics
Integrated Circuit), and is in the business of manufacturing Graphics/Multimedia
Products, and marketing, selling and supporting these Graphics/Multimedia
Products.

     Both Parties desire that IGS be licensed to develop, manufacture, market
and sell integrated circuit based Audio/Graphics Products which incorporate T-
Square Design, Inc.'s PC Audio Technology implemented in the Audio Engine,
Software Drivers, Source Code, and technical/marketing support described herein.

TERMS AND CONDITIONS

1.   Definitions:

     The following terms when used in this Agreement shall have the meanings
ascribed to them in Section 1;

1.1  "PC Audio Technology" shall mean:

     The Audio Engine hardware, software specifications, and marketing/technical
support as more completely described in Section 4, that enables the
incorporation of the Audio function on to the Graphics Controller Chip,
including but not limited to the items defined below in Sections 1.2, 1.3, 1.4,
1.5, and 1.6

     All information, inventions, ideas, concepts, discoveries, algorithms,
procedures, techniques, solutions, technology, technical documentation, designs
(including circuit designs), simulation and other models, materials and know-how
associated with the design, development, testing, construction, use and
distribution of such PC Audio Technology with IGS Graphics Controller Designs as
part of Integrated Audio/Graphics Controller Chips, whether developed by IGS or
T-Square Design.

1.2  "T-Square Design, Inc. PC Audio Product Specification" shall mean the
hardware and software product specifications developed by T-Square Design, Inc.
for the IGS Graphics/Audio Integrated Circuit.
<PAGE>

1.3  "Compatible" or "Compatibility" shall mean that T-Square's Audio Engine
     hardware and all necessary supporting Software is compatible with IGS's
     Graphic Controller Integrated Circuit such that the resulting
     Audio/Graphics Integrated Circuit can perform both graphics and audio
     functions at a PC Marketplace level of acceptability in a Windows 3.1 and
     Windows 95 environment.

1.4  "Intellectual Property Rights" of a Party means any and all rights of the
     Party in and to all patents, patent applications, copyrights, trademarks,
     trade secrets and know-how, mask work rights, industrial design and other
     proprietary rights of any kind, recognised in any country of the world,
     whether or not perfected, owned (or licensed by the Party with the right to
     grant sub-licenses of the scope granted herein) as of the Effective Date or
     hereafter acquired (whether by creation, transfer, license with right of
     sub-license or by any other means) during the term of this Agreement.

1.5  "Unit Shipments" shall mean the gross number of Integrated Circuits using
     the T-Square PC Audio Technology, shipped to customers of IGS, less any
     returned units for which a refund or credit is given.

1.6  Licensed ICs or Licensed Technology. shall mean any and all of the PC Audio
     Technology hardware and software licensed by T-Square to IGS under this
     Agreement.

2.   Grant of Rights

2.1  Marketing Rights:  IGS shall have non-exclusive marketing rights of the T-
     Square PC Audio Technology as integrated with graphics controllers.

2.2  Integration Rights: Subject to the terms and conditions of this Agreement,
     T-Square Design, Inc. hereby grants to IGS a non-exclusive license to use
     this licensed Audio Technology for products other than Graphics/Audio
     integration after March 31, 1998.

2.3  Manufacturing and Distribution Rights: Subject to the terms and conditions
     of this Agreement, T-Square Design, Inc. hereby grants to IGS a non-
     exclusive, world-wide, non-transferable, non-assignable, royalty-bearing
     license to make, have made, manufacture, reproduce, use, market, distribute
     and sell the PC Audio Technology, solely in connection with making, having
     made, manufacturing, reproducing, using, marketing, distributing and
     selling licensed ICs.

2.4  Sub-licensing Rights:  Neither IGS nor its customers can sub-licensing the
     licensed audio technology.

2.5  Use of Documentation: T-Square Design, Inc. grants to IGS a non-exclusive,
     world-wide, fully paid-up, non-transferable, non-assignable license under
     T-Square Design. Inc. Intellectual Property Rights to use, copy, modify and
     distribute information other than Confidential Information as defined in
     Section 8 of this Agreement for IGS's internal use and for creating and
     publishing technical documentation to assist IGS's customers to use the
     Audio/Graphics Chips. Notwithstanding anything in this Agreement to the
     contrary, IGS will not disclose T-Square's Confidential Information without
     the prior written consent of T-Square Design, Inc.

2.6  Limitations: No license or right is granted, by implication or otherwise,
     to IGS, under any patents, confidential information or other intellectual
     property rights now or hereafter owned or controlled by T-Square Design,
     Inc. except for licenses and rights expressly granted in this Agreement.

2.7  Notification On Licensing: T-Square shall notify IGS if T-Square license
     this PC Audio Technology for purposes of integrating PC Audio Technology
     with Graphics Integrated Circuit technology to any newly licensed IC
     company, designer, developer, manufacturer, or technology entity, prior to
     March 31, 1998.
<PAGE>

2.8  Licensing And Distribution: IGS shall have the right to distribute the
     object code of the software for T-Square's PC Audio Technology only with
     the licensed IC. IGS may sub-license the software source code to OEM
     customers of IGS for use with the licensed IC only.

3.   Obligations

3.1  IGS Support. Notwithstanding the obligations of T-Square to provide
     adequate engineering human resources for the delivery of the PC Audio
     Technology as contained herein, IGS will provide additional necessary human
     resources and all financial resources necessary to promote and support this
     licensed technology.

3.2  Engineering Support.  IGS will supply reasonable resources and support to
     adapt the audio engine hardware and software core from T-Square.

3.3  Other Support.  IGS will provide all necessary equipment for layout, tape
     out, revisions and debug of the sample silicon.

3.4  Modifications or Improvements. T-Square agrees that any modifications or
     improvements it makes or receives, limited to changes of the existing logic
     and circuit design that are offered to other PC Audio Technology licensees
     at no charge, including those made by other Graphics Controller companies
     but exclusive of any similarly granted licensee-specific layout
     optimizations, process migrations, or improvements in technology covered by
     other patents or patent applications, which are now or hereafter owned or
     controlled by T-Square but not as yet made to the IGS Graphics/Audio chip,
     shall be made immediately available to IGS at no additional charge if those
     improvements will, in T-Square's and IGS's judgement, place IGS's products
     in a non-competitive or non-compatibility position. Any modifications or
     improvements for which T-Square must pay a license fee or royalty, and T-
     Square acquires sub-license rights to, will be made available to IGS at a
     similar license fee and royalty schedule.

4.   PC Audio Technology Delivery and Support

4.1  Hardware.  T-Square will deliver to IGS a complete package of PC Audio
     Technology which shall include but is not limited to the following:

     (a)  Complete Verilog, RTL level and behaviour model of the Audio Engine
     (b)  Low level schematics and/or netlist of the Audio Engine
     (c)  Test vectors for verifying the audio engine prior to tape out (which
          will be used for IC mass production.
     (d)  Debug the sample silicon and solve any problem relative to
          functionality, compatibility and stability of the Audio Engine.
     (e)  Provide demo board schematics and debugging assistance

4.2  Software.  T-Square shall provide the following software deliverables as
     part of the PC Audio Technology:

     (a)  Source code of DOS, Windows 3.1 and Windows 95 drivers
     (b)  Source code of audio chip level diagnostics and board testing software
     (c)  Complete set of wave sample for General MIDI compatible synthesizer
     (d)  Source code for General MIDI interpreter for DOS games (VirtualGM)
     (e)  Source code of OPL3 to wavetable converter for DOS games (VirtualFM)

4.3  Marketing Support.  T-Square shall supply the following:

     (a)  Product training for the Audio Market
     (b)  Product specification and comparison for Audio segment
<PAGE>

     (c)  Hardware and software compatibility testing on audio feature
     (d)  Customer support in the form of joint visits to IGS's customers with
          IGS's Sales, Marketing, and Engineering personnel.

5.   Royalties and Other Payment Terms

The royalty license fee schedule as enumerated below shall pertain to all chips
sold by IGS which are a derivative of the PC Audio Technology with audio engine
hardware and/or software licensed from T-Square under this Agreement.

5.1  Royalty Payments. Royalties as specified under this Agreement, shall be
     payable to T Square by IGS within 30 (thirty) days of the close of each
     fiscal quarter for all licensed ICs incorporating the PC Audio Technology
     licensed under this Agreement at $*** per unit.

5.2  Non-Recurring Expanse.  A total of $*** design transfer fee will be paid by
     IGS to T-Square upon the date of execution of this Agreement.

5.3  Software Source Code Sub-Licensees Fee: Each sub-licensee must sign a
     software license agreement with T-Square and pay a one-time software source
     code license fee of $***. Software source code license fees shall be waived
     by T-Square or refunded to any IGS customer when said fee has been paid in
     advance whenever such customer has purchased in excess of *** licensed ICs
     in any given fiscal quarter. IGS will treat T-Square's source code with the
     same care and protective measures as it would treat it's own source code.

5.4  Fair Market Price Consideration. In the event IGS sells chips using the
     licensed technology at a price substantially lower than the fair market
     price, or in such event that the fair market price should fall below the
     level of sufficient margin to the extent that royalty payments to T-Square
     by IGS would cause a loss to IGS, T-Square is not obligated but will
     consider waive the royalty payment requirement or issue a credit to IGS as
     is mutually agreed upon.

6.   Confidential Information:

6.1  Definition. T-Square and IGS acknowledge that, in the course of performing
     their respective obligation hereunder, each may obtain information relating
     to the other and the other's products that is of a confidential and
     proprietary nature to such other Party("Confidential Information"). Such
     Confidential Information includes without limitation the Graphics
     Controller Technology, PC Audio Technology, trade secrets, know-how
     formulas, composition of matter, inventions, techniques, process, programs,
     diagrams, schematics, technical information, customer and financial
     information, sales and marketing plans and the terms of this Agreement.

6.2  Obligation.  Each of T-Square and IGS agrees, for itself and its
     subcontractors that it will

     (a)  use the other Party's Confidential Information only in connection with
          fulfilling its obligations under this Agreement;
     (b)  hold the other Parties Confidential Information in strict confidence
          and exercise due care with respect to its handling and protection,
          consistent with its own policies concerning protection of its own
          Confidential Information of like importance;
     (c)  not disclose, divulge or publish the other Party's Confidential
          information except to such of its responsible employees and
          subcontractors who have a bona fide need to know to the extent
          necessary to fulfil such Party's obligations under this Agreement; and
     (d)  instruct all such employees not to disclose the other Party's
          Confidential Information to third parties, including consultants,
          without the prior written permission of the other party.

*** CONFIDENTIAL MATERIAL REDACTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION.
<PAGE>

6.3  Exceptions The obligations set forth in Section 8.2 above will not apply to
     either Party's Confidential Information which

     (a)  is or becomes public knowledge without the fault or action of the
          other Party;
     (b)  received by the other Party from a third party, without restriction as
          to use or disclosure;
     (c)  the other Party can document was independently developed by it;
     (d)  is required to be disclosed pursuant to law provided the other Party
          uses reasonable efforts to give the Party owning the Confidential
          Information reasonable notice of such required disclosure; or
     (e)  is or becomes available to the other Party on an unrestricted basis
          from the Party owning the Confidential Information.

6.4  Employer Non-Disclosure Agreement

     IGS represents that to the best of its knowledge, at the Effective Date,
all IGS employees with access to all or part of the T-Square's confidential
document have executed written IGS employee non-disclosure agreements or are
otherwise under written obligation of non-disclosure which, inter alia, require
such employees to maintain the confidentiality of confidential Information of
third parties received by IGS.  IGS agrees that during the Term of this
Agreement, it shall use reasonable efforts to assure that all additional IGS
employees will execute IGS employee non-disclosure agreements prior to having
access to the T-Square PC Audio Technology.  Signed employee non-disclosure
agreements are to be retained by IGS for a period of no less than three (3)
years from the date of the employee's termination.

     T-Square represents that to the best of its knowledge, at the Effective
Date, all T-Square employees with access to the IGS Graphics Controller
Technology have executed written T-Square employee non-disclosure agreements or
are otherwise under written obligation of non-disclosure agreements which, inter
alia, require such employees to maintain the confidentiality of Confidential
Information of third parties received by T-Square Design, Inc.  T-Square Design,
Inc. agrees that during the Term if this Agreement, it shall use reasonable
efforts to assure that all additional T-Square employees will execute T-Square
employee non-disclosure agreements prior to having access to the IGS Graphics
Controller Technology.  Signed employee non-disclosure agreements are to be
retained by T-Square for a period of no less than three (3) years from the date
of the employee's termination.

7.   Intellectual Property Rights

7.1  PC Audio Technology. The PC Audio Technology and all Intellectual Property
     Rights therein will be the sole and exclusive property of T-Square, and IGS
     hereby transfers and assigns to T-Square all right, title and interest that
     IGS may have in the PC Audio Technology and all Intellectual Property
     Rights therein based on the T-Square Audio Technology. IGS will provide
     reasonable assistance and co-operation to T-Square to acquire, transfer,
     maintain, perfect and enforce the Intellectual Property Rights in the PC
     Audio Technology including but not limited to execution of such documents
     as may reasonable be requested by T-Square

7.2  Intellectual Property Indemnification. T-Square will apply its best effort
     to defend IGS against any claim that the PC Audio Technology and/or
     supporting software source code, object code, or drivers, as supplied by T-
     Square infringes or misappropriates the intellectual Property Rights of any
     third party.

8.   Term and Termination

8.1  Both Parties are binding by this agreement which can only be terminated by
     mutual agreeable terms in written signed by both Parties' officers.

8.2  Return of Confidential Information. Each Party shall return or destroy all
     copies of the Confidential Information of the other Party within thirty
     (30) days after the effective date of the termination. At the
<PAGE>

      request of either Party, an officer of the other Party will certify in
      writing that such other Party has complied with this obligation.

9.    Warranties and Liability

9.1   Limited Warranty. T-Square warrants to IGS that the PC Audio Technology,
      Software Source Code and Object Code will perform in all material respects
      in accordance with T-Square's specifications as contained herein. IGS's
      sole remedy is that T-Square will, at no extra charge, correct any defect
      discovered in the Audio/Graphics chip design so that it performs in
      accordance with such specification in all material respects. In case the
      Audio/Graphics chip does not meet its functional specification, T-Square
      will apply its best effort to correct any defect.

9.2   Liability. Neither Party is liable to the other party for any damage or
      loss cost by the usual risks, delays and malfunction of the licensed
      products.

10.   Miscellaneous

10.1  Governing Law. This Agreement shall be governed by and interpreted in
      accordance with the substantive laws of the State of California or the
      United States, as applicable. Except for claims regarding either Party's
      Intellectual Property Rights or Confidential Information, all claims will
      be resolved through mediation by a mutually acceptable mediator to be
      chosen by the parties within 30 days after written notice by one Party to
      the other demanding mediation. Neither Party may unreasonably withhold
      consent to the selection of a mediator, and the parties will share the
      costs of mediation equally. Claims regarding Intellectual Property Rights
      or Confidential information may be brought immediately in the state or
      federal courts having personal jurisdiction over the Party defending the
      claim. Each of the parties acknowledges that unauthorised disclosure or
      use of the other Party's Confidential Information or infringement or
      misappropriation of the other Party's Intellectual Property Rights could
      cause irreparable harm and significant injury that would be difficult to
      ascertain and may not be compensated by damages alone. Accordingly, the
      parties agree that, in addition to any and all legal remedies, claims
      regarding Intellectual Property Rights or Confidential Information may be
      remedied by appropriate equitable relief.

10.2  Assignment. IGS shall not assign this Agreement and all of it's rights
      pertaining thereto to other party without prior written approval from T-
      Square's officer.

10.3  Modification and Waiver. No modification to this Agreement, nor any waiver
      of any rights, will be effective unless assented to in writing by the
      Party to be charged, and the waiver of any breach or default shall not
      constitute a waiver of any other right hereunder or any subsequent breach
      or default.

10.4  Notices. Any required or permitted notices hereunder must be given in
      writing at the address of each Party set forth below, or to such other
      address as either Party may substitute by written notice to the other in
      the manner contemplated herein, by one of the following methods: hand
      delivery; registered, express, or nationally-recognised private express
      courier; or facsimile. Notices will be deemed given on the date when hand
      delivered or transmitted by facsimile, one (1) day after being sent by
      express mail or nationally recognised private express courier, and five
      (5) days after being sent by registered or certified mail.

If to T-Square:

Tony Chu, President & CTO
T-Square Design, Inc.
4633 Old Ironsides Dr. Ste 290 Santa Clara, CA 95054

If to IGS
<PAGE>

Kenny Liu, President
InteGraphics Systems, Inc.
4001 Burton Drive, Santa Clara, CA 95054

10.5   Force Majeure. Nether Party shall be responsible for delay or failure in
       performance caused by any government act, law, regulation, order or
       decree, by communication line or power failures beyond its control, or by
       fire, flood or other natural disasters or by other causes beyond its
       reasonable control, nor shall any such delay or failure be considered to
       be a breach of this agreement. In any such event, performance shall take
       place as soon thereafter as is reasonably feasible.

10.6   Attorney's Fees. In the event of any dispute resolution proceeding
       between the parties hereunder, the prevailing party shall be entitled to
       recover its costs and reasonable attorney's fees therein. A "prevailing
       party" shall mean a party who receives all or substantially all of the
       relief sought by such party.

10.7   Counterparts.  This Agreement may be executed in multiple counterparts,
       each of which will be deemed an original, but all of which together will
       constitute one and the same instrument.

10.8   Independent Contractors. In performing their respective duties under this
       Agreement, each of the parties will be operating as an independent
       contractor. Nothing contained herein will in any way constitute any
       association, partnership, or joint venture between the parties hereto, or
       be construed to evidence the intention of the parties to establish any
       such relationship.

10.9   Severability. In the event that it is determined by a court of competent
       jurisdiction that any provision of this Agreement is invalid, illegal, or
       otherwise unenforceable, such provision will be enforced as nearly as
       possible in accordance with the stated intention of the parties, while
       the remainder of this Agreement will remain in full force and effect and
       bind the parties according to its terms. To the extent any provision
       cannot be enforced in accordance with the stated intentions of the
       parties, such provision will be deemed not to be a part of this Agreement

10.10  Headings.  The heading of the Sections and subsections of this Agreement
       are for convenience only and will not be of any effect in construing the
       meanings of the Section and subsections.

10.11  Entire Agreement. This Agreement and the exhibits attached hereto
       constitute the entire and exclusive agreement between the parties hereto
       with respect to the subject matter hereof.

Attachment

T-Square Game-Audio Engine Data Sheet

IN WITNESS WHEREOF, the parties have executed this Agreement as of the Effective
Date.

T-Square Design, Inc.                                 InteGraphics Systems, Inc.
By:                                                   By:

/s/ Tony Chu                                          /s/ Kenny Liu
Tony Chu, President & CTO                             Kenny Liu, President
7/30/1997
<PAGE>

CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS OF THIS DOCUMENT
HAVE BEEN REDACTED AND HAVE BEEN SEPARATELY FILED WITH THE SECURITIES AND
EXCHANGE COMMISSION.

CONFIDENTIAL INTERNAL USE ONLY                                       T/2/ DESIGN
--------------------------------------------------------------------------------

1  Introduction:

Features:

 .  AC97 v2.0 interface
 .  CODEC Variable Sample Rate support
 .  Up to 96 Hz Double Sample Rate support
 .  32-voice wavetable synthesis
 .  3D positioning sound acceleration
 .  Legacy Sound Blaster compatible
 .  Virtual FM(R) OPL3 emulation
 .  Virtual GM(R) MIDI interpretation
 .  MIDI MPU-401 interface
 .  Enhanced digital joystick interface
 .  I.S receiver & transmitter
 .  S/PDIF transmitter
 .  Sample Bank resides in Main Memory or Local Memory
 .  Interface with PCI BIU or other Host BIU

1.1  Overview:
Powered with T-Square Wavetable Synthesizer engine TS9708, Cyber5050 is a
versatile audio processor which can be integrated in costumed CE product and
also can be utilized on PC platform.

(C) 1998, 1999 T Square Design, Inc.  All rights reserved.

                            Revision 0.1  06/26/98

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