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Who can tell me what this card is/does?



I have been going through all my old apple stuff and have found a card with 2 ic's on it. 1 is a MC6821P and the other is a NMC27C64N. A brief description of the card is that besides the apple 2 interface bus edge connector it also has 3 other edge connectors on the card. 1 is 10 pin and the 2 others are 26 pin.. There are markings on the card saying "Automatic Ice Co Newcastle". I have no idea what the card is or does, and would be interested to know if anyone else knows what it is for. The only other component on the board is a resistor near the interface bus connector.
I will take a picture when i find my camera and post it.