Exhibit 10.1 OVERTON BANK AND TRUST, N.A. SOUTH ARLINGTON OFFICE CURTIS F. VON DER AHE President March 6, 1998 Mr. Tom Hoefert, CFO InnoServ Technologies, Inc. 4330 Beltway #300 Arlington, TX. 76018 REFERENCE: LOAN AGREEMENT DATED APRIL 14, 1997 COVENANT VIOLATION. Dear Mr. Hoefert, You have indicated that InnoServ is in violation of the cash flow covenant as defined in section 7.J.(e)#4. of the above referenced loan agreement. We hereby waive compliance with this covenant until July 30, 1998. If you require anything else, please do not hesitate to call. Sincerely, /s/ Curtis F. Von Der Ahe Curtis F. Von Der Ahe, President 17