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Originally Posted by DaleDe
Actually this problem faces all units. Components in a system get obsoleted all the time.
Is the Sony obsolete since the SD controller card cannot accept the new SD standard SDHC cards?
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The difference is that non-SDHC cards are still made, and will continue to be made for the foreseeable future. Once existing stockpiles of SM cards are sold, there are no more. I don't know when that'll happen, but it's going to happen at some point.
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Any while we are talking about this line of reasoning when will the Sony PRS-500 drop to the legacy group.
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It's a "Sony Portable Reader" forum. Virtually all the stuff in it applies equally to the 500 and the 505. Had Sony stopped making the 500 and not replaced it, we would have moved it to the "Legacy Devices" forum, as we have done with the Librie.
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Many of the other eINK devices are even worse on SD card support using controllers and drivers that can only use SD cards up to 1 Meg. These controllers have not been built since 2003/4 I believe.
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I don't believe you are correct in saying that. The smallest capacity device I'm aware of is the iLiad, which only supports MMC cards rather than SD, and they only go up to 1GB. I don't know of any device which has supported 1MB cards. What did you have in mind? [The iLiad also supports CF cards up to at least 4GB, so its MMC card limit is of no practical importance.]
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There is no problem with eBookwise memory since eBookwise will still supply the memory in the device so most users never even need to worry about it. Most users are not that technical that it even matters. (unless you happen to brick the card)
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I agree with you. I only ever used the internal memory in my Sony Reader. I am using an SD card with my CyBook Gen3, because one can usefully use the internal memory for other things, such as fonts.
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The criteria should be something other than some of the parts are obsolete or even if the unit is obsolete (PRS-500 case).
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OK, another critereon: What current DRM formats does the device support? If the answer is "none", that suggests to me that it's not considered to be an "active" device by the book retailers.