I have a interface card(PC) down on one of our Vitronics ovens model SMR-820A. The PC is very old. The card is mounted on ISA slot. Vitronics don't support these any more. Can anyone advise where I can find one of these cards or if I can exchnage with onother one which wil be working for sure. i tried one but it didn't work. With card from another Vitronics oven PC is working. Thank you in advance!