Quote:
Originally Posted by manifestor
I read from the bebook website that a 1GB SD card should be used for firmware update so I got myself one of these obsolete memory cards simply for this purpose (very hard to find one nowadays). But then I suddenly read from the Astak site that any card below 4GB can be used for firmware update. Well, which one should I trust? If 4GB cards can be used, I don't need to worry if I lose my 1GB card and can't find one anymore. Any idea? 
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You should never have a problem with a 1GB SD card, since all cards in that size supposedly meet the SD standard specification. There are cards in the 2 to 8GB range that fit the SD standards much more loosely in regards to their block size setup, and may not work. Some cards larger than 1GB *may* work as long as the entire V3UPDATE.BIN fits in the first 1GB, to stay inside the bootloaders addressing range. I usually use a freshly sdformatter formatted 2GB SD card to do firmware installations.