EXHIBIT 3(i).6

                                                               STATE OF DELAWARE
                                                              SECRETARY OF STATE
                                                        DIVISION OF CORPORATIONS
                                                       FILED 09:00 AM  2/19/1992
                                                             920515179 - 2153848

                            CERTIFICATE OF AMENDMENT
                                     TO THE
                          CERTIFICATE OF INCORPORATION
                                       OF
                                EQUITY AU, INC.

Pursuant to the provisions of the Delaware  General  Corporation Law, EQUITY AU,
INC.  adopts the  following  Certificate  of  Amendment  to its  Certificate  of
Incorporation:

     FIRST: The name of the Corporation is EQUITY AU, INC.

     SECOND: The following  amendment to the Certificate of Incorporation of the
Corporation  was adopted by resolution  provided by the  shareholder on the 30th
day of  December  1991,  in  the  manner  prescribed  by  the  Delaware  General
Corporation Law:

Article 4 of the Certificate of Incorporation, as amended, of EQUITY AU, INC. is
hereby repealed and amended by substitution of the following Article 4:

                                   ARTICLE 4

The aggregate  number of Class A common shares which the Corporation  shall have
authority to issue is Ninety Nine Million  Nine  Hundred  Thousand  (99,900,000)
Class A common shares of a par value of $.001 each.

The aggregate  number of Class B common shares which the Corporation  shall have
authority to issue is One Hundred Thousand (100,000) Class B common shares, of a
par value of $.01 each.

The  aggregate  number of  preferred  shares  which the  Corporation  shall have
authority  to  issue  is is to  issue  is  Two  Million  (2,000,000)  shares  of
non-voting preferred shares, of a par value of $1.00 each.

     THIRD:  The date of  adoption  of the  amendment  by the  shareholders  was
December  30,  1991.  The date of  adoption  of the  amendment  by the  Board of
Directors was December 30, 1991.

     FOURTH:  The number of shares voted for the amendment by the holders of the
outstanding  shares  of common  stock was  sufficient  for the  approval  of the
amendment.

     FIFTH: The manner in which any exchange,  reclassification  or cancellation
of issued shares  provided for in the  amendments  shall be effected as follows:
NONE.



                                                                               2
<PAGE>


     SIXTH: The manner in which such amendment effects a change in the amount of
stated capital and the amount of stated capital  changed by such amendment is as
follows:  The  amount of  stated  capital  is being  increased  from  $2,099,900
[(99,900,000  x $0.001) +  (2,000,000  x $1.00)] to  $2,101,900  [(99,900,000  x
$0.001) + (2,000,000 x $1.00) + (100,000 x $0.01)].

IN WITNESS WHEREOF the  Corporation has caused this  Certificate of Amendment to
the  Certificate  of  Incorporation  to be executed  this 14th day of February ,
1992.

                                EQUITY AU, INC.
                                a Delaware Corporation

                        By:     /s/WM Allison
                                --------------------------------
                                William Allison
                                Secretary

ATTEST:

/s/Kingman Hitz
---------------------------------
Kingman Hitz, Director


THE STATE OF Texas )
                   )
COUNTY OF Collin   )

BEFORE ME, the  undersigned  authority,  a Notary Public in and for the State of
Texas, on this day personally  appeared Gail W.  Holderman,  President of EQUITY
AU, INC., a Delaware corporation, known to me to be the person and officer whose
name is subscribed to the foregoing  instrument,  and acknowledged to me that he
executed the same as a duly authorized  officer of such corporation,  and as the
act and deed of such  corporation,  fo the  purposes and  consideration  therein
expressed, and in the capacity therein stated.

GIVEN UNDER MY HAND AND SEAL OF OFFICE, this 14th day of February 1992.

/s/ Bill Cove
-----------------------
Notary Public, State of Texas

My Commission Expires:

5/20/93                         Bill Cove
--------------------            ----------------------
                                Printed Name of Notary