Micro SD card support on Intel Compute Cherry Trail Sticks

Micro SD card support on Intel Compute Cherry Trail Sticks

Update: This work is superseded by my isorespin.sh script which can respin an official ISO suitable for use on Intel Atom devices.

The latest stable 4.7.2 Ubuntu kernel for Intel Compute Cherry Trail Sticks (STK1AW32SC/STK1A32SC) now supports micro SD cards albeit with limitations.

It seems most Class 10 and below cards from any manufacturer (update: except Sandisk - see comment below) work without problem.  However not all UHS cards work. Ive found Samsung UHS Speed Class 3 and UHS Speed Class 1 work:

Whereas similar Sandisk cards fail, crashing the device sometimes on inserting or removing or erroring with:

        mmc1: error -110 whilst initialising SD card
        mmc1: card never left busy state

Still getting any micro SD cards working on these devices is a great forward step. Ive patched the 4.7.2 Ubuntu kernel to make it work on Intel Compute Sticks and you can download the upgrade script and install this latest kernel after making it executable (enter chmod 755 <script>) and then running it as root (./<script>). Once the script has finished executing GRUB should update automatically but if it doesnt then simply run update-grub as root. Your device will then need to be rebooted to use the new (patched) kernel.

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