Document:

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                   [First Virtual Communications Letterhead]

October 10, 2000

Allwyn Sequeira
21225 Saratoga Hills Drive
Saratoga, CA  95070

Dear Allwyn:

This letter represents the agreement (the "Agreement") reached between you and
FVC.COM, Inc. ("FVC.COM) regarding the conclusion of your employment with
FVC.COM.

1.  TERMINATION OF EMPLOYMENT
    a.  RESIGNATION: Your resignation as an officer and employee was effective
        August 31, 2000 (your "Termination Date").
    b.  HEALTH CARE BENEFITS: Subsequent to your Termination Date, you are
        eligible to continue to receive existing health care coverage pursuant
        to COBRA, details of which have been provided to you by mail.
    c.  RESTRICTED STOCK: On your Termination Date, and excluding shares pledged
        against the loan described in 1.d, below, you had 75,219 vested shares
        of FVC.COM Restricted Common Stock, with $12,208.07 principal and
        interest outstanding on the promissory notes issued by you to FVC.COM to
        purchase these shares. Your unvested shares of FVC.COM Restricted Common
        Stock, totaling 4,781 shares, will be repurchased by the Company,
        pursuant to the terms of the agreements under which the shares were
        issued. Details of your restricted stock holdings are on attached
        EXHIBIT A. Pursuant to the terms of the restricted stock agreements, you
        have 90 days following your Termination Date to pay off the promissory
        notes for the restricted stock, following which the stock certificates
        will be issued to you.
    d.  EMPLOYEE LOAN: SECOND AMENDED AND RESTATED PROMISSORY NOTE DATED
        APRIL 21, 2000 BETWEEN FVC.COM, INC. AND ALLWYN SEQUEIRA As of
        September 15, 2000, the due date on the note pursuant to the last
        extension by the Board, the principal and interest outstanding on this
        note was $399,359.82 (see attached EXHIBIT B), with interest accruing at
        the rate of $67.89 per day. You have agreed to (1) pay $200,000 of the
        outstanding principal and interest due on this note on the date of your
        execution of this Agreement and (2) to pay in full the remaining
        principal and interest balance on the earlier of (a) within three days
        following the first day FVC.COM's Common Stock trades at or above $10
        per share on the Nasdaq National Market or (b) February 15, 2001. You
        have pledged 50,000 shares of FVC.COM Common Stock (Certificate No.
        C-52) to secure this loan. Once payment in full has been made on the
        promissory note, these shares will be released to you, otherwise FVC.COM
        will sell the shares against payment of the note on the earlier of the
        dates set forth in clause (2) herein and you will be responsible for any
        balance that may be owing.
    E.  EXISTING STOCK OPTIONS: As of your Termination Date, 207,217 shares of
        Common Stock were vested under various stock option grants that were
        made to you by FVC.COM (see attached Exhibit C). You agree that the
        vesting of all shares on your existing stock options ceased on your
        Termination Date. We have agreed to extend the exercise period for your
        vested options as described in item 4 below.

2.  NEW STOCK OPTION AS A DIRECTOR
As a non-employee Director, you will receive a new stock option grant for 30,000
shares of FVC.COM Common Stock, with a grant date of September 15, 2000. This
option will have an exercise price of $6.375 per share, the fair market value of
the stock on the date of grant, and will be subject to vesting on the same terms
and conditions as the grants received by newly elected non-employee members of
our Board of Directors.

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Page 2 of 2

3.  CONSULTING AGREEMENT
You have agreed to provide consulting services to FVC.COM for the period October
13, 2000 through August 31, 2001 in the areas of technology/product planning and
strategy. Such consulting services will not exceed two days in any calendar
month and will be conducted by telephone, email or in face to face meetings at
mutually agreed upon times and locations. The total fee to be paid by FVC.COM to
you for these consulting services will be $50,000, which will be earned monthly
but be paid to you in full on the date that the employee loan and accrued
interest referenced in item 1.d. above is repaid in full.

4.  EXTENSION OF OPTION EXERCISE PERIOD
In consideration of this Agreement, the period to exercise your vested shares
referred to in item 1.e. above will be extended to March 31, 2001. This
extension may alter the status of certain grants from incentive to non-qualified
stock options. In addition, you will receive the option grant referenced in item
2 above. You understand and agree that you assume full responsibility for and
you agree to indemnify FVC.COM against any and all tax liability you may incur
as a result of the extension of the exercise period for your vested options.

5.  RELEASE
In exchange for the benefits described above, you and your successors and
assigns release and absolutely discharge FVC.COM and its stockholders,
directors, employees, agents, attorneys, legal successors and assigns of and
from any and all claims, actions and causes of action, whether now known or
unknown, which you now have, or at any other time had, or of any matter, cause
fact, thing act or omission whatsoever occurring or existing at any time up to
and including the date hereof, including, but not limited to, any claims of
wrongful termination, breach of contract or national origin, race, age sex or
other discrimination under the Civil Rights Act of 1964 the Age Discrimination
In Employment Act of 1967, the Americans with Disabilities Act, the Fair
Employment and Housing Act or any other applicable law.

You hereby waive any right or benefit which you have or may have under section
1542 of the Civil Code of the State of California, to the full extent that you
may lawfully waive such rights and benefits, pertaining to the subject matter of
this general release of claims. You acknowledge that you have read section 1542
of the Civil Code of the State of California that is set forth below in its
entirety:

              ---------------------------------------------------------
              A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS THAT THE
              CREDITOR DOES NOT KNOW OR SUSPECTS EXIST IN HIS FAVOR AT
              THE TIME OF EXECUTING THE RELEASE, WHICH IF KNOWN BY HIM
              MUST HAVE MATERIALLY AFFECTED HIS SETTLEMENT WITH THE
              DEBTOR.
              ---------------------------------------------------------

6.  PROPRIETARY INFORMATION AGREEMENT
You acknowledge and agree that you shall continue to be bound by, and comply
with, the terms of the Proprietary Information and Inventions Agreement dated
January 31, 1994 between FVC.COM and you, including your agreement for a period
of one year after your Termination Date not to either directly or indirectly,
solicit the services, or attempt to solicit the services of any employee of
FVC.COM or its affiliated entities on behalf or yourself or any other person or
entity.

7.  RECOVERY OF LEGAL COSTS

The prevailing party shall be entitled to recover from the losing party its
attorneys' fees and costs incurred in any lawsuit or other action brought to
enforce any right arising out of this Agreement.

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Page 2 of 3

8.  ENTIRE AGREEMENT

This letter constitutes the entire agreement between the parties with respect to
the subject matter hereof, and supersedes all prior negotiations and agreements
with respect to the subject matter hereof, whether written or oral. This
Agreement may not be altered or amended except by a written document signed by
FVC.COM and you.

9.  NON-DISCLOSURE

Both FVC.COM and you agree that neither party shall directly or indirectly
disclose any of the terms of this Agreement to anyone (other than your immediate
family or counsel), except as such disclosure may be required for accounting or
tax reporting purposes or as may be required by law. Further, the timing and
content of any public announcements of your separation from the FVC.COM must be
mutually agreed between you and FVC.COM.

Please execute two copies of this agreement and return one copy to me at your
earliest convenience and keep one for your records.

I want to thank you for your past contributions to FVC.COM as an employee and
look forward to working with you as a consultant and as a member of our Board of
Directors.

Sincerely,

/s/ Ralph Ungermann
--------------------------------
RALPH UNGERMANN
PRESIDENT AND CHIEF EXECUTIVE OFFICER

--------------------------------------------------------------------------------
I understand that I should consult with an attorney prior to signing this
Agreement and that I am giving up any legal claims I have against FVC.COM by
signing this Agreement. I further acknowledge that I am signing this Agreement
knowingly, willingly and voluntarily in exchange for the benefits described in
paragraph 1, above.

/s/ Allwyn Sequeira                          10/10/00
------------------------------------        ----------
ALLWYN SEQUEIRA                               [DATE]

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                                                                       EXHIBIT A

                                 FVC.COM, INC.
                                ALLWYN SEQUEIRA
                       STATUS OF RESTRICTED STOCK GRANTS
                                AUGUST 31, 2000

<TABLE>
<CAPTION>

            RESTRICTED STOCK GRANT
                        Issue Date        12/6/1994      4/18/1995      1/13/1996      4/3/1996
                                         -----------    -----------    -----------   -----------
<S>                                      <C>            <C>            <C>           <C>              <C>
                   Price per share        $    0.075    $     0.075     $    0.150     $    0.250
                       Certificate              C-30           C-52           1242           0001
                      Total Shares            50,000         50,000         25,000         25,000
                                         ===========    ===========    ===========    ===========
          Shares previously issued                 -              -         10,000         10,000
     Vested and available to issue            50,000     50,000 (A)         13,164         12,055
         Shares to be re-purchased                 -              -          1,836          2,945

                   PROMISSORY NOTE
              Annual interest rate             7.74%                         5.73%          7.74%
                  Interest per day          $   0.80                       $  0.35    $      0.80
          Initial Principal Amount        $ 3,750.00        See          $3,750.00    $  6,250.00
 Less amount previously repaid (B)                 -     Promissory      (1,500.00)     (2,500.00)
Less principal re-purchased shares                 -     Note dated        (275.40)       (736.25)
             Principal outstanding       $  3,750.00   April 21, 2000    $1,974.60     $ 3,013.75
                  Accrued interest          1,665.96                        597.29       1,280.28
                                         -----------                   -----------    -----------     -----------
                 Total Payment Due         $5,415.96                    $ 2,571.89      $4,294.03     $ 12,281.88
                                         ===========                   ===========    ===========     ===========

          Days: Issue thru 8/31/00          FULLY VESTED                     1,691          1,610
                                    ----------------------------
         Number of days in 5 years                                           1,825          1,825
                          % Vested           100.00%     100.00%            92.66%         88.22%

                                     (A) PLEDGED AGAINST NOTE DATED APRIL 21, 2000

                                     (B) PARTIAL PAYMENTS MADE ON 11/15/98
</TABLE>

<TABLE>
<CAPTION>

                                     MEMO - CALCULATION OF DAYS ELAPSED THROUGH 8/31/00
-----------------------------------------------------------------------------------------------------------------
                                                          6-Dec-94                        % Vested
                                       ----------------------------------------------     ========
                                       Thru 12/5/99  12/6 - 8/31/00
                                       ------------  --------------
<S>                                    <C>           <C>                        <C>       <C>
 Days elapsed since loan inception            1,825             270             2,095
                                       ============  ==============   ===============
                Days in Five Years                                              1,825      100.00%
                                                                      ===============     ========

                                                Noted dated January 13, 1996
                                       ----------------------------------------------
                                       Thru 1/12/00  1/13 - 8/31/00
                                       ------------  --------------
 Days elapsed since loan inception            1,460             231             1,691
                                       ============  ==============   ===============
                Days in Five Years                                              1,825       92.66%
                                                                      ===============     ========

                                                  Noted dated April 4 1996
                                       ----------------------------------------------
                                       Thru 4/3/00    4/4 - 8/31/00
                                       ------------  --------------
 Days elapsed since loan inception            1,460             150             1,610
                                       ============  ==============   ===============
                Days in Five Years                                              1,825       88.22%
                                                                      ===============     ========
</TABLE>

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                                                                       EXHIBIT B

SECOND AMENDED AND RESTATED PROMISSORY NOTE DATED APRIL 21, 2000 BETWEEN
FVC.COM, INC. AND ALLWYN SEQUEIRA

1.   Principal: $349,124.66
2.   Interest: 7.0% per year; simple interest, not compounded; one year assumed
     to have 360 days
3.   Interest to be accrued from August 26, 1998
4.   Principal and interest due and payable in full on June 30, 1999
5.   Payment extended to 7/15/00 by action of the Board of Directors
6.   Payment extended to 9/15/00 by action of the Board of Directors
8.   Secured by 50,000 shares of FVC.COM common stock, certificate #C-52
9.   FVC.COM may sell shares if not paid when due to cover expenses of
     collection, interest and principal

<TABLE>
<CAPTION>

                                 September 15, 2000
                                 ------------------
 <S>                            <C>                  <C>
                      Principal  $       349,124.66
                  Interest rate                7.00%  SIMPLE INTEREST, NOT COMPOUNDED
  ACCRUED INTEREST FROM 8/26/98
                Through 8/25/00  $        48,877.45   TWO YEARS AT 7.0% P.A.
        8/26/00 through 9/22/00  $         1,832.90   27 DAYS AT 7.0% P.A.
                                 ------------------
             Total interest due  $        50,710.36

               Total Amount Due  $       399,835.02   PRINCIPAL + INTEREST ON SEPTEMBER 15, 2000
                                 ==================
               Interest per day  $            67.89   ANNUAL INTEREST DIVIDED BY 360 DAYS AS DEFINED IN NOTE
                                 ==================
</TABLE><PAGE>

                                                                    EXHIBIT 10.5

                              CONSULTING AGREEMENT

         This Agreement, effective as of June 1, 2000, is entered into between
Michael D. Rumbolz an (hereinafter referred to as "CONSULTANT"), and Casino Data
Systems, a Nevada corporation (hereinafter referred to as "CDS").

                                    RECITALS

         CONSULTANT and CDS wish to enter into an agreement under which
CONSULTANT shall perform consulting services for the benefit of CDS as directed
by officers and directors of CDS.

                                     TERMS

         NOW THEREFORE, in consideration of the mutual covenants, conditions,
and obligations stated herein, the parties agree as follows:

SERVICES

1.       CONSULTANT hereby agrees to perform consulting service for the benefit
         of CDS, and CDS hereby agrees to engage CONSULTANT to perform such
         consulting services as the Board of Directors and Officers of CDS and
         CONSULTANT may mutually agree from time to time.

2.       CDS acknowledges that CONSULTANT may from time to time accept
         independent contracts for work provided that: i) such work does not
         interfere with his responsibilities to CDS, or ii) such work is not for
         the benefit of an entity or person directly or indirectly competing
         with CDS. CONSULTANT shall not be employed by any other entity or
         person during the term of this Agreement without CDS' prior written
         consent.

COMPENSATION AND BENEFITS

3.       CDS shall pay CONSULTANT a minimum fee of $100,000 (One hundred
         Thousand Dollars) per year, payable in equal monthly installments,
         during the term of this Agreement. CONSULTANT's fee may be increased
         from time to time at the discretion of the Board of Directors.

4.       CDS may pay an additional fee to CONSULTANT, subject to the discretion
         of the Board of Directors of CDS.

5.       CONSULTANT shall not be eligible to participate in benefits offered by
         CDS to its employees.

                                       1
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6.       Pursuant to the terms and conditions of an option agreement of even
         date herewith, CDS agrees to award CONSULTANT options to purchase up to
         500,000 shares of CDS' common stock. These options shall vest as to
         100,000 shares on the first anniversary of the date hereof and
         hereafter ratably in quarterly increments over an additional four (4)
         year period.

7.       CDS will reimburse CONSULTANT all reasonable business expenses incurred
         in performing CONSULTANT's duties and promoting the business of CDS.

TERM AND TERMINATION

8.       The term of this Agreement shall be one (1) year from the date of this
         agreement. This Agreement shall automatically renew for successive one
         (1) year terms thereafter, subject to the termination provisions of the
         next paragraph.

9.       Either CONSULTANT or CDS may terminate this agreement at any time upon
         thirty (30) days written notice to the other party.

INTELLECTUAL PROPERTY OWNERSHIP AND NON-DISCLOSURE OF INFORMATION

10.      CDS shall be the sole owner of all Intellectual Property (as defined
         below) created, developed, or invented by CONSULTANT during the term of
         this Agreement and related to CDS' current or prospective business. The
         term "Intellectual Property" shall include, without limitation, trade
         secrets, inventions, patents, patent applications, trademarks, works of
         authorship, and all improvements therein. CONSULTANT shall not, during
         or after the term of this Agreement, disclose any of the Intellectual
         Property to any person, firm, corporation, association or other entity
         for any reason or purpose, except pursuant to the written instructions
         of CDS or by order of a court of competent jurisdiction. In the event
         of CONSULTANT's breach or threatened breach of this paragraph, CDS
         shall be entitled to a preliminary restraining order and an injunction
         restraining and enjoining CONSULTANT from disclosing any or any part of
         the Intellectual Property and from rendering services to any person,
         firm, corporation, association, or other entity to whom all or any part
         of such information or technology has been, or is threatened to be,
         disclosed.

ASSIGNMENT AND SURVIVAL

11.      This Agreement and all of the provisions hereof will be binding upon
         and inure to the benefit of the parties hereto and their respective
         successors and permitted assigns, except that neither this Agreement
         nor any of the rights, interests or obligations hereunder may be
         assigned by CONSULTANT to any other party or person without the prior
         written consent of the Company, which consent may be withheld for any
         or no reason.

                                       2
<PAGE>

RESTRICTIVE COVENANT

12.      CONSULTANT agrees that during the term of this Agreement and for a
         period of one (1) year thereafter, CONSULTANT will not, without the
         prior written consent of the Company, directly or indirectly, engage in
         any of the following actions:

             Render services, advice or assistance to any corporation, person,
             organization or other entity which offers products or services
             which compete with products or services offered by the Company or
             which may be offered by the Company within the foreseeable future,
             including, without limitation, as an employee, independent
             contractor, officer, director, manager, beneficial owner, partner,
             member or shareholder (other than being a shareholder in a
             corporation required to file periodic reports with the Securities
             and Exchange Commission under Section 13 or 15 (d) of the
             Securities Exchange Act of 1934, as amended, where the
             shareholder's total holdings are less than one percent (1%)).

             Induce, solicit, endeavor to entice or attempt to induce any
             customer, supplier, licensee, licensor or other business relation
             of the Company to cease doing business with the Company, or in any
             way interfere with the relationship between any such customer,
             vendor, licensee, licensor or other business relation and the
             Company.

In addition, CONSULTANT agrees that during the term of this Agreement and for a
period of six months thereafter, CONSULTANT will not induce, solicit, endeavor
to entice or attempt to induce any employee of the Company to leave the employ
of the Company, or to work for, render services or provide advice to or supply
confidential business information or trade secrets of the Company to any third
person or entity, or in any way interfere adversely with the relationship
between any such employee and the Company.

GENERAL PROVISIONS

13.      This Agreement contains the complete agreement between parties and
         supersedes any prior understandings, agreements or representations by
         or between the parties, written or oral, which may have related to the
         subject matter hereof in any way. This Agreement may not be amended or
         waived except in a writing executed by the party against which such
         amendment or waiver is sought to be enforced. No course of dealing
         between or among any persons having any interest in this Agreement
         will be deemed effective to modify or amend any part of this Agreement
         or any rights or obligations of any person under or by reason of this
         Agreement.

14.      The headings of the paragraphs of this Agreement are inserted for
         convenience only and shall not constitute a part hereof or affect in
         any way the meaning or interpretation of this Agreement.

15.      The Parties agree that this Agreement is for the benefit of the parties
         hereto and is not intended to confer any rights or benefits on any
         third party, and that there are no third

                                       3
<PAGE>

         party beneficiaries as to this Agreement or any part or specific
         provision of this Agreement.

16.      This Agreement shall be interpreted in accordance with the laws of the
         State of Nevada without regard to conflict of law provisions contained
         therein. Any action or other legal proceeding relating to the subject
         matter of this Agreement shall be brought in the State of Nevada; both
         parties hereby consent to such venue.

17.      Any and all notices or other communications required or permitted by
         any provision of this Agreement shall be in writing and shall be
         hand-delivered, mailed by certified mail, return receipt requested, or
         delivered by overnight courier and shall be deemed to be given, dated
         and received when so delivered or, if mailed, 48 hours after the time
         of mailing, to the Company at 3300 Birtcher Drive, Las Vegas, Nevada
         89118, and to CONSULTANT at the address reflected in the books and
         records of the Company (or to such other address or addresses as either
         party may subsequently designate by notice given hereunder).

18.      In the event that any of the provisions contained in this Agreement
         shall be held to be invalid, illegal, or unenforceable in any respect,
         such invalidity, illegality, or unenforceability shall not effect any
         other provisions hereunder, and this Agreement shall be construed as if
         such invalid, illegal, or unenforceable provision had never been
         contained herein.

The parties execute this Agreement as follows:

CONSULTANT                                  CASINO DATA SYSTEMS

/s/ Michael Rumbolz                         By: /s/ Steven A. Weiss
--------------------------                     --------------------------------
                                               Its: CEO/Chairman
                                                   ----------------------------

June 1, 2000                                6/1/00
--------------------------                  -----------------------------------
Date                                        Date

                                       4

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