Hi! I have one 0.5Mb chip for the Expander SF. The price is $20 + shipping or the heigest bid(26/9) For more info about the Expander SF check out http://www.egr.msu.edu/~tsaimelv/expander.htm If someone is interested of buying this chip or have questions contact me! //Jonas Alveström alvestrom@bahnhof.se