ok, i have a question, you say the Am29F040B won't work as it is a 5v chip (which i don't for one second dispute on the seritek cards) but i just cheacked the original chip off my PC sil3112 card, and it is a Am29F010 which is a 5v chip

So would the Am29F040B work as i actually need a 5v chip and not a 3.3v one?