DOT HILL SYSTEMS CORP
EXHIBIT 10.1
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<BR></FONT><FONT SIZE=2><B>PROMISSORY NOTE    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Dot Hill Systems, Corp., agrees to loan you, Dana Kammersgard $25,000. You agree to repay such amount plus 5% interest. Full payment for this loan plus
interest shall be made by June 21, 2002. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;If
employment with Dot Hill Systems is terminated for any reason before the total amount has been repaid, the balance of monies owed will be due and payable in full, and will be
deducted from your final paycheck or stock owned by you. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Collateral
for such loan shall be by ownership of Dot Hill Systems stock valued by the number of shares at 2x the value of the principal of the loan. </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;I
waive all notices, demands for payment, presentations for payment, protest and notice of protest, as to this Note. It is understood that any forbearances or extensions under the
Note by the holder shall not waive or effect the obligations hereunder. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;If
default is made in the payment of this Note when due then the whole sum will accrue interest at the then maximum legal interest rate and the principal and interest shall
immediately become due and payable at the option of the holder of this Note, without notice. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;In
the event of commencement of suit to enforce payment of this Note, I agree to pay attorney's fees and such additional sums as the court may adjudge reasonable. </FONT></P>

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<TD WIDTH="48%"><FONT SIZE=2>/s/&nbsp;</FONT><FONT SIZE=2>PRESTON ROMM</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Dot Hill Systems, Corp.</FONT></TD>
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<TD WIDTH="48%"><FONT SIZE=2>/s/&nbsp;</FONT><FONT SIZE=2>DANA KAMMERSGARD</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Dana Kammersgard</FONT></TD>
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6/21/01</FONT><HR NOSHADE><FONT SIZE=2> Date</FONT></TD>
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6/21/01</FONT><HR NOSHADE><FONT SIZE=2> Date</FONT></TD>
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<FONT SIZE=2><A HREF="#toc_ma1770_1">PROMISSORY NOTE</A></FONT><BR>
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