Document:

<PAGE>

                                                                   EXHIBIT 4.5

                      AMENDMENT NO. 2 TO LOAN AGREEMENT

     This Amendment No. 2 to Loan Agreement (this "Amendment") dated as of
July 23, 1997 is entered into with reference to the Amended and Restated Loan
Agreement dated as of July 31, 1996, among Eldorado Resorts LLC, a Nevada
limited liability company ("Borrower"), the Banks therein named, and Bank of
America National Trust and Savings Association, as Administrative Agent (as
amended, the "Loan Agreement"). Terms defined in the Loan Agreement are used
herein with the same meanings. Borrower and Administrative Agent, acting with
the consent of the Requisite Banks in accordance with Section 11.2 of the
Loan Agreement, hereby amend the Loan Agreement as follows:

     1.  AMENDMENT TO MARGINS. Section 1.1 of the Loan Agreement is hereby
amended so that the definition of "Applicable Percentage" set forth therein
reads in full as follows:

         "APPLICABLE PERCENTAGE" means, during each calendar month, the per
     annum percentage set forth below opposite the Pricing Leverage Ratio
     set forth in the then most recently delivered Pricing Certificate (a)
     with respect to each Base Rate Loan, in the column headed "Base Rate",
     (b) with respect to each Eurodollar Rate Loan, in the column headed
     "Eurodollar Rate", (c) for each Letter of Credit, in the column headed
     "Letters of Credit", and (d) with respect to Commitment Fees, in the
     column headed "Commitment Fees":

<TABLE>

     PRICING-LEVERAGE               BASE            EURODOLLAR            LETTER                   COMMITMENT
     RATIO                          RATE            RATE                  OF CREDIT FEES           FEES
     <S>                            <C>             <C>                   <C>                      <C>
     Less than                       0%             0.7500%               0.7500%                  0.2000%
     1.50:1.00

     Greater than or                 0%             1.0000%               1.0000%                  0.2500%
     equal to 1.50:1.00
     but less than 2.00:1.00

     Greater than or                 0%             1.2500%               1.2500%                  0.3125%
     equal to 2.00:1.00
     but less than 2.50:1.00

     Greater than or                 0.2500%        1.5000%               1.5000%                  0.3750%
     equal to 2.50:1.00
     but less than 3.00:1.00

     Greater than or                 0.5000%        1.7500%               1.7500%                  0.4375%
     equal to 3.00:1.00
     but less than 3.50:1.00

     Greater than or                 0.7500%        2.0000%               2.0000%                  0.5000%
     equal to 3.50:1.00

</TABLE>

                                       -1-
<PAGE>

     PROVIDED that (a) if the Senior Debt to EBITDA Ratio, as of the last
     day of the Fiscal Quarter ending immediately prior to the date of
     any such Pricing Certificate is less than or equal to 1.00 to 1.00,
     the Applicable Percentages set forth above for Eurodollar Rate
     Loans and Letter of Credit Fees shall be reduced by 0.1250%, (b) if
     the Senior Debt to EBITDA Ratio, as of the last day of the Fiscal
     Quarter ending immediately prior to the date of any such Pricing
     Certificate is less than or equal to 0.75 to 1.00, the Applicable
     Percentages set forth above for Eurodollar Rate Loans and Letter of
     Credit Fees shall be reduced by and additional 0.1250%, and
     applicable Percentages set forth above for Commitment Fees shall be reduced
     by 0.05%.

     2.  PRICING CERTIFICATE. The form of the Pricing Certificate is hereby
amended to read as set forth in the attachment hereto.

     3.  CONDITIONS PRECEDENT. The effectiveness of this Amendment shall be
conditioned upon the receipt by the Administrative Agent of the following:

         (a)  Counterparts of this Amendment executed by Borrower and the
     Administrative Agent, acting on behalf of the Banks;

         (b)  Written consents to the execution, delivery and performance
     hereof from each of the Banks.

     4.  REPRESENTATION AND WARRANTY. Borrower represents and warrants to the
Administrative Agent and the Banks that no Default or Event of Default has
occurred and remains continuing.

                                     -2-

<PAGE>

     5.  CONFIRMATION. In all other respects, the terms of the Loan Agreement
and the other Loan Documents are hereby confirmed.

         IN WITNESS WHEREOF, Borrower and the Administrative Agent have
executed this Amendment as of the date first written above by their duly
authorized representatives.

                                      ELDORADO RESORTS LLC

                                      By: /s/ Donald L. Carano
                                          -----------------------------------
                                      Donald L. Carano, Chief Executive Officer

                                      BANK OF AMERICA NATIONAL TRUST AND
                                      SAVINGS ASSOCIATION, as Administrative
                                      Agent

                                      By: /s/ Janice Hammond
                                          -----------------------------------
                                          Janice Hammond, Vice President

The undersigned hereby consents to the execution, delivery and performance by
Borrower, the Banks and the Administrative Agent of the foregoing Amendment
No. 2 to Loan Agreement. The undersigned represents and warrants to the
Administrative Agent and the Banks that there is no defense, counterclaim or
offset of any type or nature to the Subsidiary Guaranty and the other Loan
Documents executed by the undersigned, and that the same remain in full force
and effect:

ELDORADO CAPITAL CORPORATION

By:    Donald L. Carano
       -------------------------------

Title: President
       -------------------------------

                                     -3-<PAGE>

                                                                   EXHIBIT 4.6

                      AMENDMENT NO. 3 TO LOAN AGREEMENT

     This Amendment No. 3 to the Amended and Restated Loan Agreement (this
"Amendment") dated as of December 31, 1999 is entered into with references to
the Amended and Restated Loan Agreement dated as of July 31, 1996, among
Eldorado Resorts LLC, a Nevada limited liability company ("Borrower"), the
Banks therein named, and Bank of America National Trust and Savings
Association (now, Bank of America, N.A.), as Administrative Agent (as amended,
the "Loan Agreement"). Terms defined in the Loan Agreement are used herein
with the same meanings. Borrower and the Administrative Agent, acting with
the consent of the Requisite Banks in accordance with Section 11.2 of the
Loan Agreement, hereby amend the Loan Agreement as follows:

1.  AMENDMENT TO MINIMUM MEMBER'S EQUITY REQUIREMENT. Section 6.12 of the
Loan Agreement is hereby amended to read in full as follows:

    6.12  MEMBERS EQUITY. Permit Members' Equity, as of the last day of any
          Fiscal Quarter to be less than the sum of (a) $70,000,000, plus (b)
          30% of Net Income for each Fiscal Quarter having then ended since
          January 1, 2000 (without reduction for any net loss having occurred
          in any such Fiscal Quarter), plus (c) 75% of any Net Cash Proceeds
          received by Borrower or its Subsidiaries since January 1, 2000.

2.  CONDITIONS PRECEDENT. The effectiveness of this Amendment shall be
conditioned upon the receipt by the Administrative Agent of the following:

          (a)  Counterparts of this Amendment executed by Borrower and the
    Administrative Agent acting on behalf of the Banks;

          (b)  Written consents to the execution, delivery and performance
    hereof from each of the Banks.

3.  REPRESENTATION AND WARRANTY. Borrower represents and warrants to the
Administrative Agent and the Banks that no Default or Event of Default has
occurred and remains continuing.

4.  CONFIRMATION. In all other respects, the terms of the Loan Agreement and
the other Loan Documents are hereby confirmed.

     IN WITNESS WHEREOF, Borrower and the Administrative Agent have executed
this Amendment as of the date first written above by their duly authorized
representatives.

                                  ELDORADO RESORTS LLC

                                  By: /s/ DONALD L. CARANO
                                     -----------------------------------------
                                     Donald L. Carano, Chief Executive Officer

                                      -1-

<PAGE>

                                BANK OF AMERICA, N.A., as Administrative Agent

                                By: /s/ SCOTT FABER
                                    ------------------------------------------
                                    Scott Faber, Principal

The undersigned hereby consents to the execution, delivery and performance by
Borrower, the Banks and the Administrative Agent of the foregoing Amendment
No. 3 to Loan Agreement. The undersigned represents and warrants to the
Administrative Agent and the Banks that there is no defense, counterclaim or
offset of any type or nature to the Subsidiary Guaranty and the other Loan
Documents executed by the undersigned, and that the same remain in full
force and effect:

ELDORADO CAPITAL CORPORATION

By:    DONALD L. CARANO
       ---------------------
Title: President
       ---------------------

                                       2

<PAGE>

                               CONSENT OF BANK

     This Consent of Bank is delivered with reference to the Amended and
Restated Loan Agreement dated as of July 31, 1996, among Eldorado Resorts
LLC, the Banks therein named, and Bank of America National Trust and Savings
Association, as Administrative Agent. Capitalized terms used but not defined
herein are used with the meanings set forth for those terms in the Loan
Agreement.

     The undersigned Bank hereby consents to the execution, delivery and
performance of the proposed Amendment No. 3 to Loan Agreement by the
Administrative Agent on behalf of the Banks, substantially in the form
presented to the undersigned as a draft.

    BANK OF AMERICA, N.A.
------------------------------
[Typed/Printed Name of Bank]

By: /s/ SCOTT FABER
    --------------------------

  Principal -- Scott Faber
------------------------------
[Typed/Printed Name and Title]

Dated as of December 21, 1999

<PAGE>

                               CONSENT OF BANK

     This Consent of Bank is delivered with reference to the Amended and
Restated Loan Agreement dated as of July 31, 1996, among Eldorado Resorts
LLC, the Banks therein named, and Bank of America National Trust and Savings
Association, as Administrative Agent. Capitalized terms used but not defined
herein are used with the meanings set forth for those terms in the Loan
Agreement.

     The undersigned Bank hereby consents to the execution, delivery and
performance of the proposed Amendment No. 3 to Loan Agreement by the
Administrative Agent on behalf of the Banks, substantially in the form
presented to the undersigned as a draft.

      BANK OF SCOTLAND
------------------------------
[Typed/Printed Name of Bank]

By: /s/ ANNIE GLYNN
    --------------------------
        Annie Glynn
   Senior Vice President
------------------------------
[Typed/Printed Name and Title]

Dated as of December 22, 1999

<PAGE>

                               CONSENT OF BANK

     This Consent of Bank is delivered with reference to the Amended and
Restated Loan Agreement dated as of July 31, 1996, among Eldorado Resorts
LLC, the Banks therein named, and Bank of America National Trust and Savings
Association, as Administrative Agent. Capitalized terms used but not defined
herein are used with the meanings set forth for those terms in the Loan
Agreement.

     The undersigned Bank hereby consents to the execution, delivery and
performance of the proposed Amendment No. 3 to Loan Agreement by the
Administrative Agent on behalf of the Banks, substantially in the form
presented to the undersigned as a draft.

   FIRST SECURITY BANK, N.A.
--------------------------------
[Typed/Printed Name of Bank]

By: /s/ DAVID P. WILLIAMS
    ----------------------------

David P. Williams, Vice President
--------------------------------
[Typed/Printed Name and Title]

Dated as of December 21, 1999

<PAGE>

                               CONSENT OF BANK

     This Consent of Bank is delivered with reference to the Amended and
Restated Loan Agreement dated as of July 31, 1996, among Eldorado Resorts
LLC, the Banks therein named, and Bank of America National Trust and Savings
Association, as Administrative Agent. Capitalized terms used but not defined
herein are used with the meanings set forth for those terms in the Loan
Agreement.

     The undersigned Bank hereby consents to the execution, delivery and
performance of the proposed Amendment No. 3 to Loan Agreement by the
Administrative Agent on behalf of the Banks, substantially in the form
presented to the undersigned as a draft.

      SOCIETE GENERALE
------------------------------
[Typed/Printed Name of Bank]

By: /s/ JANE VAN BRUSSEL
    --------------------------
         Jane van Brussel
         Vice President
------------------------------
[Typed/Printed Name and Title]

Dated as of December 28, 1999

<PAGE>

                               CONSENT OF BANK

     This Consent of Bank is delivered with reference to the Amended and
Restated Loan Agreement dated as of July 31, 1996, among Eldorado Resorts
LLC, the Banks therein named, and Bank of America National Trust and Savings
Association, as Administrative Agent. Capitalized terms used but not defined
herein are used with the meanings set forth for those terms in the Loan
Agreement.

     The undersigned Bank hereby consents to the execution, delivery and
performance of the proposed Amendment No. 3 to Loan Agreement by the
Administrative Agent on behalf of the Banks, substantially in the form
presented to the undersigned as a draft.

U.S. BANK NATIONAL ASSOCIATION
------------------------------
[Typed/Printed Name of Bank]

By: /s/ MARK ESNOZ
    --------------------------

  Mark Esnoz, Vice President
------------------------------
[Typed/Printed Name and Title]

Dated as of December 22, 1999

<PAGE>

                               CONSENT OF BANK

     This Consent of Bank is delivered with reference to the Amended and
Restated Loan Agreement dated as of July 31, 1996, among Eldorado Resorts
LLC, the Banks therein named, and Bank of America National Trust and Savings
Association, as Administrative Agent. Capitalized terms used but not defined
herein are used with the meanings set forth for those terms in the Loan
Agreement.

     The undersigned Bank hereby consents to the execution, delivery and
performance of the proposed Amendment No. 3 to Loan Agreement by the
Administrative Agent on behalf of the Banks, substantially in the form
presented to the undersigned as a draft.

WELLS FARGO BANK, NATIONAL ASSOCIATION
--------------------------------------
[Typed/Printed Name of Bank]

By: /s/ JOHN BYDALEN
    ----------------------------------

John Bydalen, Vice President
--------------------------------------
[Typed/Printed Name and Title]

Dated as of December 27, 1999

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