NSTOR TECHNOLOGIES INC
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<TYPE>EX-10
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<p align="right"><font size="3" face="Times New Roman">Exhibit 10.2</font></p>

<p align="center"><font size="3" face="Times New Roman">nStor Technologies, Inc.</font></p>

<p><font size="3" face="Times New Roman">July 31, 2004</font></p>

<p><font size="3" face="Times New Roman">Cenvill Recreation, Inc.<br>
1601 Forum Place<br>
Suite 500<br>
West Palm Beach, Florida 33417<br>
Attn:&nbsp; Mark F. Levy</font></p>

<p><font size="3" face="Times New Roman">Dear Mr. Levy:</font></p>

<p><font size="3" face="Times New Roman">We have agreed to the following amendments to that certain Promissory Note, dated December 31, 2003, in the amount of $2,194,124 (the &ldquo;Note&rdquo;), as amended on April 30, 2004 increasing the outstanding principal of
the Note to $2,252,154 with a maturity date of July 31, 2004 (&ldquo;Amended Note&rdquo;), payable by nStor Technologies, Inc. to Cenvill Recreation, Inc., copies of which are attached hereto.&nbsp;</font></p>

<p><font size="3" face="Times New Roman">1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The maturity date of the Amended Note is hereby extended from July 31, 2004 to October 31, 2004 (&ldquo;Maturity&rdquo;).</font></p>

<p><font size="3" face="Times New Roman">2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Accrued and unpaid interest on the Amended Note through July 31, 2004 in the amount of $45,289 is hereby added to the $2,252,154 principal amount of the Amended Note so that
as of the date hereof, the principal amount of the Amended Note has been increased to $2,297,443 (the &ldquo;New principal Amount&rdquo;).&nbsp; Interest at the rate of eight percent (8%) per annum will accrue on the unpaid New Principal Amount and be payable at
Maturity.</font></p>

<p><font size="3" face="Times New Roman">Except as set forth in this letter, the Note remains unmodified and in full force and effect.&nbsp;</font></p>

<p><font size="3" face="Times New Roman">Please indicate your concurrence with the foregoing.</font></p>

<p><font size="3" face="Times New Roman">Sincerely,</font></p>

<p><font size="3" face="Times New
Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Cenvill Recreation, Inc.</font></p>

<p><font size="3" face="Times New Roman">/s/ Jack
Jaiven&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Agreed By: /s/ Mark F. Levy<br>
Jack
Jaiven&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Mark F. Levy<br>
Vice President and
Treasurer&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Vice President and Secretary</font></p>

<p><font size="3" face="Times New Roman">JJ/tw</font></p>

<p align="center"><b><font size="2" face="Times New Roman">1601 Forum Place * Suite 500 * West Palm Beach * Florida * 33401<br>
(561) 640-3105 * fax (561) 640-3160</font></b></p>
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