Thanks for the reply. Please I need help, we have a quad machine here (QSV1 PLUS) and had problem Not INitilizing the machine, and keep give a message says, (( BUFFER FULL IN LINE 4), and FACTNET.CPP LINE 4. Quad saying could ne one of 3 boards, either IFC BOARD, or TEP BOARD. Do you have any idea ? Please advise.