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[Working] JMicron SD Card Reader

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I have a working JMicron SD Card Reader (J38X) in Mavericks 10.9.  I used these three kexts (attached here).


HSSDBlockStorage.kext  sourcxe


I had to use all three, the card reader works perfectly.  My specs are in my signature, but this is for a Toshiba Satellite P755.




It was a pretty straight forward process, used Kext Wizard, repaired permissions/cache/reboot.  Card reader works and doesn't have to be plugged in on boot, works/ejects/ properly.  Hope this helps others.


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Hello I have an MSI GE70 2PE 012US laptop. I notice that my computer is not supported. Where can I find an SD Card reader that is support by my laptop. This is one of the last things that is not working on my laptop. My card reader is the Realtek rts5229.

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For years I've been trying to get the SD Card Reader working on my Probook 6560b! Years! Since 10.8! The SD Card is working perfectly on macOS Sierra 10.12.6!

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