Tag: cybook

Cybook t4b Format Specification



The new epub thumbnail files (.epub.thn) are what Bookeen calls t4b files. They are very similar to the older t2b thumbnail files they were using in earlier versions of the Cybook firmware. As the name suggests instead of using 2 bits to represent color values 4 bits are now... Continue reading

Cybook 2.0 Thumbnail Observations



The 2.0 fimware for the Cybook and Opus have new thumbnails for epub files. They use the .thn extension and it is append after the .epub extension. This is unlike the _6090.t2b thumbnails which use the book name without the extension and _6090.t2b appended to it. I have... Continue reading

Cybook 2.0 Firmware Calibre Fix



I’ve committed a fix for the Cybook 2.0 firmware id issue I posted yesterday. In calibre I’ve combined the Gen 3 and Opus device interfaces into one generic Cybook interface. Both were very similar and the Opus was just a subclass of the Gen 3. Also, with the 2.0... Continue reading

Cybook 2.0 Firmware Identity Issues



On Christmas eve Bookeen finally released the long awaited 2.0 firmware for the Cybook Gen 3 and Cybook Opus. As soon as I returned from my Christmas vacation I upgraded my Gen 3 to the 2.0 version. Today while debugging a device issue for calibre I noticed that my... Continue reading

Calibre Week In Review



Not much on the calibre front for this past week from me. The only thing I’ve worked on was adding support to the Nook driver for the cover image to be sent to the device with the book. Also, if there is no cover associated with the book a default... Continue reading

Calibre Week in Review



FB2 output has been improved. It no longer generated very invalid markup. The output generator still isn’t where I want it to be though. The changes are mostly cleanup and fix long standing issues with the output. One major change is I reverted having <h1> tags work as section... Continue reading

Repair Corrupt Cybook File System on Linux



I unplugged my Cybook from the computer without first unmounting the volume. It was still in the process of deleting a few files. When I turned it on the files showed in the library but were unable to be viewed. After I plugged the Cybook back into the computer the... Continue reading

Cybook t2b Format Specification



The Cybook Gen 3 uses it’s own image file for thumbnails. The t2b file is generated by the device based upon the image found in the ebook. If there is no image a default one with the file name written across it is created. One of the feature request for... Continue reading

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