EXHIBIT 10.ad

AMENDMENT #1

     TO LEASE DATED September 15, 1997 BY AND BETWEEN Lutheran Brotherhood, a
Minnesota corporation, AS LESSOR AND Bit 3 Computer Corporation, a wholly owned
subsidiary of SBS Technologies, AS LESSEE

     THIS AMENDMENT TO LEASE, entered into and made as of the 23rd day of
December, 1997, by and between Lutheran Brotherhood, a Minnesota corporation, as
Lessor and Bit 3 Computer Corporation, a wholly owned subsidiary of SBS
Technologies, as Lessee.

WITNESSETH:

     WHEREAS, Lessor and Lessee have heretofore entered into a certain lease,
dated September 5, 1997, (the “Lease”), of a certain space at Oakview Business
Center, Suite 200, 1284 Corporate Center Drive, Eagan, Minnesota (the
“Premises”), upon terms and conditions described in said Lease; and

     WHEREAS, Lessor and Lessee desire to amend said lease as described below:

     NOW THEREFORE, in consideration of the rents reserved and of the covenants
and agreements herein set forth, it is agreed that the Lease be hereby amended
from and after the date hereof as follows:

     1.     DEMISED PREMISES: Suite 200, the Demised Premises, consist of
approximately 39,576 square feet (14,803 square feet office and 24,773 square
feet of warehouse space.)

     2.     ADDITIONAL RENT: Lessee’s prorata share of additional rent as
defined in Article 3 of the Lease shall be changed to Forty Six and
23/100 percent (46.23%) for real estate taxes and Twenty Five and 14/100 percent
(25.14%) of annual aggregate operating expenses.

     3.     TERM: Pursuant to the provisions of the Lease relating to
commencement of the Term thereof, Lessor and Lessee, for themselves, their
heirs, successors and assigns, intending to be legally bound hereby, agree and
stipulate that the original Term of said Lease shall commence February 1, 1998,
and will expire January 31, 2003.

     4.     RENT COMMENCEMENT: Lessee shall pay to Lessor its prorata share of
Additional Rent as defined in Article 3 of the Lease, commencing January 1, 1998
through and including the Lease expiration date. Base Rent shall commence
February 1, 1998.

 

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     5.     RENT PAYMENT ADDRESS: The address within Article 4 of the Lease to
which Lessee shall send rent payment to Lessor shall be changed to Welsh
Companies, Inc., CM 3650, St. Paul, Minnesota 55170-3650.

     Except as is hereinabove set forth, all other terms, provisions and
covenants of the Lease shall remain unchanged and in full force and effect.

     IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of
the day and year first above written.

              LESSEE:   LESSOR:               BIT 3 COMPUTER CORPORATION, A
WHOLLY OWNED SUBSIDIARY OF SBS TECHNOLOGIES INC. (A NEW MEXICO CORPORATION)  
LUTHERAN BROTHERHOOD
(A MINNESOTA CORPORATION)               By:   /s/ David Greig   By:   /s/
Clifford W. Habeck    

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    David Greig       Clifford W. Habeck               Its:   President   Its:  
Vice President    

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