Document:

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                                 EXHIBIT 10.1.b.

                SECOND AMENDMENT TO INVESTMENT ADVISORY AGREEMENT
                       BETWEEN MACC PRIVATE EQUITIES INC.
                   AND INVESTAMERICA INVESTMENT ADVISORS, INC.

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                 SECOND AMENDMENT TO MACC PRIVATE EQUITIES INC.
                          INVESTMENT ADVISORY AGREEMENT

     THIS SECOND AMENDMENT TO MACC PRIVATE EQUITIES INC. INVESTMENT ADVISORY
AGREEMENT (this "Second Amendment"), dated as of February 27, 2001, amends the
terms of the MACC Private Equities Inc. Investment Advisory Agreement (the
"Agreement") dated as of March 1, 1998, between MACC Private Equities Inc. (the
"Corporation") and InvestAmerica Investment Advisors, Inc. ("InvestAmerica"), as
amended by the First Amendment to MACC Private Equities Inc. Investment Advisory
Agreement, dated as of February 22, 2000. All terms and conditions of the
Agreement shall remain in full force and effect except as expressly amended
herein. All capitalized terms used but not defined herein shall have their
respective meanings as set forth in the Agreement.

     WHEREAS, the original term of the Agreement was for two years from the date
thereof, through February 29, 2000, subject to annual continuance thereafter in
accordance with Section 15 of the Investment Company Act of 1940, as amended, by
the vote of a majority of the Board of Directors of the Corporation who are not
interested persons of InvestAmerica, or by the vote of the holders of a majority
of the Corporation's outstanding voting securities; and

     WHEREAS, on February 22, 2000, a majority of the Board of Directors of the
Corporation who are not interested persons of InvestAmerica, determined to
extend the term of the Agreement for an additional one-year term pursuant to the
First Amendment; and

     WHEREAS, at a meeting duly held on February 27, 2001, a majority of the
Board of Directors of the Corporation who are not interested persons of
InvestAmerica, having requested from InvestAmerica and received and evaluated
such information as deemed reasonably necessary to evaluate the terms of the
Agreement, determined that the continuance of the Agreement for an additional
one-year term was in the best interests of the Corporation.

     NOW, THEREFORE, in consideration of the foregoing and other good and
valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereto agree as follows:

          Pursuant to Section 7 of the Agreement, the term of the Agreement
          shall be continued in effect for a one-year period from February 28,
          2001 through February 28, 2002.

     IN WITNESS WHEREOF, the undersigned have executed this SECOND AMENDMENT as
of the year and date first above written.

                                        MACC PRIVATE EQUITIES INC.

                                        By:   /s/ Paul M. Bass
                                           -------------------------------------
                                           Paul M. Bass, Chairman

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                                        INVESTAMERICA INVESTMENT
                                         ADVISORS, INC.

                                        By:   /s/ David R. Schroder
                                           -------------------------------------
                                           David R. Schroder, President<PAGE>

                                 EXHIBIT 10.2.a.

                FIRST AMENDMENT TO INVESTMENT ADVISORY AGREEMENT
                     BETWEEN MORAMERICA CAPITAL CORPORATION
                   AND INVESTAMERICA INVESTMENT ADVISORS, INC.

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                FIRST AMENDMENT TO MORAMERICA CAPITAL CORPORATION
                          INVESTMENT ADVISORY AGREEMENT

     THIS FIRST AMENDMENT TO MORAMERICA CAPITAL CORPORATION INVESTMENT ADVISORY
AGREEMENT (this "First Amendment"), dated as of February 27, 2001, amends the
terms of the MorAmerica Capital Corporation Investment Advisory Agreement (the
"Agreement") dated as of March 1, 1999, between MorAmerica Capital Corporation
("MACC") and InvestAmerica Investment Advisors, Inc. ("InvestAmerica"). All
terms and conditions of the Agreement shall remain in full force and effect
except as expressly amended herein. All capitalized terms used but not defined
herein shall have their respective meanings as set forth in the Agreement.

     WHEREAS, the original term of the Agreement was for two years from the date
thereof, through February 28, 2001, subject to annual continuance thereafter in
accordance with Section 15 of the Investment Company Act of 1940, as amended, by
the vote of a majority of the Board of Directors of MACC who are not interested
persons of InvestAmerica, or by the vote of the holders of a majority of the
outstanding voting securities of MACC's parent company, MACC Private Equities
Inc.; and

     WHEREAS, at a meeting duly held on February 27, 2001, a majority of the
Board of Directors of MACC who are not interested persons of InvestAmerica,
having requested from InvestAmerica and received and evaluated such information
as deemed reasonably necessary to evaluate the terms of the Agreement,
determined that the continuance of the Agreement for an additional one-year term
was in the best interests of MACC.

     NOW, THEREFORE, in consideration of the foregoing and other good and
valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereto agree as follows:

          Pursuant to Section 7 of the Agreement, the term of the Agreement
          shall be continued in effect for a one-year period from February 28,
          2001 through February 28, 2002.

     IN WITNESS WHEREOF, the undersigned have executed this FIRST AMENDMENT as
of the year and date first above written.

                                        MORAMERICA CAPITAL CORPORATION

                                        By:   /s/ Paul M. Bass
                                           -------------------------------------
                                           Paul M. Bass, Chairman

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                                        INVESTAMERICA INVESTMENT
                                         ADVISORS, INC.

                                        By:   /s/ David R. Schroder
                                           -------------------------------------
                                           David R. Schroder, President<PAGE>
                                                                EXHIBIT 10(f)(i)

12/14/2001

Mr. Bruce H. Berger
Rheinbrohler Weg 13
40489 Dusseldorf
Germany

Dear Bruce,

On behalf of Digi International Inc., I am pleased to offer a transfer to the
position of Senior Vice President of Digi and General Manager of NetSilicon.
This position will report to Joe Dunsmore and will be located in Waltham,
Massachusetts.

COMPENSATION

Your targeted total compensation will remain at $380,000. This represents a base
salary of $200,000 and an incentive target of $180,000. You have sent a
description of your current incentive plan under separate cover. You will also
receive a cost of living adjustment in the amount of 12.5% of your base or
$25,000. This cost of living adjustment will remain in effect while you are
employed in the Boston area.

BENEFITS

You will continue to participate in Digi International's benefits programs.
Health and dental insurance may be provided through the local NetSilicon plans,
if this provides the best solution for you and your family. If it is determined
that we will move you to the NetSilicon health and dental plan, it will be done
upon your family's relocation to the area.

RELOCATION

Digi will provide the following relocation assistance:

o    Reimbursement of closing costs for the purchase of your new residence. This
     will exclude any escrow accounts, property taxes, "points" (except as
     defined below), and insurance costs. The company will provide a gross up of
     all closing costs reimbursed to you.

o    Reimbursement of up to $12,000 in mortgage loan origination fees and/or
     "points". The company will provide a gross up of this reimbursement up to a
     maximum of $6,000 in income gross-up.

o    Advance house hunting trip for you and your family and professional
     relocation assistance.

o    Transportation and hotel expense for you and your family associated with
     your move to Waltham.

o    Reasonable temporary living expenses for the costs of household goods and
     furniture that you may need to purchase or rent while you wait for your
     belongings to be delivered from Germany

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Bruce Berger
Page 2

RELOCATION (CONTINUED)

o    Shipment of household goods per the terms of your temporary assignment
     agreement.

o    Up to 60 days of car rental for two vehicles.

OTHER

If Digi International should terminate your employment at any time in the
future, your severance pay (as provided in your offer of employment) will be
calculated based on the sum of your base salary and cost of living allowance.
This does not include any situations where you were involuntarily terminated due
to performance issues or misconduct.

START DATE

This transfer offer and relocation is contingent upon the close of the
NetSilicon acquisition. Your start date will be the dat following the close of
the acquisition and is estimated to be mid to late January of 2002. Your full
time relocation is expected to occur by the end of February 2002. The cost of
living allowance will go into effect upon your start date. Please inform me of
your acceptance of this offer by DECEMBER 17, 2001 by signing one of the
enclosed copies and returning it to me.

Sincerely,

DIGI INTERNATIONAL INC.

/s/ Tracy Roberts

Tracy Roberts
Director, Human Resources

OFFER ACCEPTED:

/s/ Bruce H. Berger      18 December 2001
-----------------------------------------         --------------------------
Bruce H. Berger                Date                         Start Date

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