Thread: Kobo Sage - Calibre 3.48
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Old 11-06-2021, 09:02 PM   #9
davidfor
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by 777Knight View Post
I searched for a related topic but couldn't find one which answers my issue.

I have an old iMac (2011) running High Sierra on which is installed calibre 3.48.

As I'm retired and the iMac still works fine I've no intension of buying a new machine. :-)

That means I cannot upgrade Calibre version past 3.48.

I installed the Kobo utilities plugin but the Extended plugin requires a newer version of Calibre.

My old Amazon Paperwhite (6th Generation) connects happily with this Calibre version but I've not been so lucky with the new Kobo Sage.

I tried swithching out a couple of USB-C cables but to no avail.

Has anyone managed to connect a Kobo Sage to Calibre 3.48 or know how I might get it to do so given my setup.
It isn't going to work. To work with an device, calibre has to recognise it. That means it has to have the ids for the device coded somewhere so that calibre know what the device is and how to handle it. No device released since calibre 3.48 will be recognised. I assume that the 6th gen Paperwhite was released before then.

There are some alternatives:
  • As @rtiangha suggested, run calibre in a Linux virtual machine. That isn't as bad an idea as it might sound at first. If the MAC can handle it, it allows you to keep up to date with calibre without worrying about your main OS.
  • Use the Folder Device driver. This allows you to mount any directory as a device. Calibre will scan that directory for books. But, it will not recognise it as a Kobo device, so you will not get the functions that the KoboTouch driver offers or be able to use the Kobo Utilities plugin.
  • Use the User Defined USB driver. This lets you define any attached device as a device for calibre. You need to configure the device ids. Calibre will then treat the ereader as a generic USBMSD device. Which means it functions pretty much as the Folder Device does except that calibre will automatically detect it when the device is plugged in.

If there is actually some demand, I might consider creating a driver that adds the device ids and can be installed in older calibre. I did this for, I think, calibre version 1.48 for whatever Kobo device was the first released after calibre version 2 was released. That allowed it to be used with Windows XP. But, as far as I can tell, very few people actually used it, so I'm not sure if it is worth the effort. And it would not add function that has been added to the driver since the version of calibre it was running with. That might mean it is not going to work for the Sage. I haven't checked, and I honestly don't have much interest in to checking.
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