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Originally Posted by NatCh
I believe that Sony only claims that the Reader is compatible up to 2GB.  |
My research with the 4G card agrees, in that my one example of the 4G card fails the fill-test. There are two 4G cards listed as working in the
wiki page. I expect a fill-test will confirm my results.
Here is the fill-test. Load your SD card almost to capacity with a known number of files of a given type: song, book or picture. The object is to prove that your card can be addressed uniquely over the entire range. You should be able to use all of the files with your Reader. If you cannot, then the card is not being addressed properly. Make sure the card reader you use to fill the card is capable of addressing the range of your SD card. e.g. I have two card readers. One, a new one, can read/write a 4G SD card and the other, old one, cannot.
We should really fill-test a 2G card to corroborate Sony's claim. Maybe I can pick one up this week. I have a 1G that is wandering around China in a lady's handbag. I will endeavor to test that too when she returns.