Sebastian Kuzminsky wrote: > I signed up for an account at MosChip.com, after that they let me see > their docs. Their FAQ for the 9805 says this: > > MosChip 9805 FAQ: > >> An additional problem exists with EPP Mode. We have identified a timing >> problem >> in the chip that affects reading data from the remote device in EPP Mode. We >> are >> able to write data to the device (printer etc.) just fine under all >> conditions. The >> problem only affects reading data back from the device (scanner etc.) in EPP >> Mode. >> The symptoms result in the same Byte of data being returned for every read >> request. >> This problem does not affect ECP Mode. For this reason we recommend PS/2 or >> ECP Modes for applications that require bi-directional data transfers. >> > > > So yeah, the manufacturer admits that their hardware is broken, not much > anyone can do about that... Unfortunately WELL! That really answers that one, no need to spend any more time thinking about that particular device! They only made a million or so of these cards, too!
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