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Where Can You Buy Cheap, Tiny Motherboards?
Adam Ernst asks: "I'm trying to build a low-end tablet PC type device for giving tests to students in a classroom. The touch screen TFT wasn't hard to get and the WiFi shouldn't be too hard either, but the most difficult part has been finding a motherboard! I tried Via's Mini-ITX, but it was too tall at about 1.5 inches. The motherboard needs to be just three quarters of an inch tall; the length and width can't exceed 8 inches each, but the smaller the better. No fans allowed--this has to be silent. The -only- requirements feature-wise are that it is able to connect to a TFT-LCD, has either USB, CompactFlash, or PCMCIA for WiFi, and has enough power to run Red Hat or SuSE (the only Linuxes my IDE supports). No ports, no ethernet, not even sound. Preferably it would take straight power (just one wire in and one out, at some set voltage) so I don't have to mess with power circuits. Of course, the most important factor of all is cost, since it's for schools (preferably less than $100 in small quantities ~90 units)."
Hold on... You'll be giving tests to kids on these and you're equipping them with Wi-Fi? That's just asking for cheating... What kind of test are you giving? Chances are, you could give it without the need for Wi-Fi, and probably without the need for a computer (also the cheapest solution)...