I am trying to find out what they are,
I have a 72 pin biard that looks like a simms ram stick brief discription board made by HP it has 7 chips on board, 1818-6655, 1818-6656, hm514260cj7, others unable to find numbers but one has void if removed sticker with the following on it A56404066261 puerto rico 3809 C3987-60001 A-0001 any info would be gratefully recieved as hewlet pachard dont seem to be able to help