Wandboard Dual Unboxing and Quick Start Guide

I’ve just received Wanboard Dual development board together with an enclosure, and Wi-Fi antenna. This board is powered by Freescale i.MX6 Duallite Cortex A9 processor, and comes with 1GB RAM, HDMI output and Ethernet. There’s also a version based on Freescale i.MX6 Solo with 512 MB RAM. You can refer to my earlier post for more detailed specifications. I’ll start by showing some unboxing pictures of the board, and write a quick start guide (casing assembly, Ubuntu & Android boot, and development). I also planned to run some benchmarks and test videos, as according to a poll on Wandboard website many people want to use it as a media player, but I’ll do that a bit later since the current Android image is not up to the task yet.

Wandboard Dual Unboxing

The package I received contained 3 boxes: one for Wandboard Dual board, one for the enclosure, and one for the Antenna. The complete kit below should cost around $120, and Wandboard has distributors worldwide. Prices vary so make sure you shop around.


Inside those packages, you’ll find the Wandboard Dual board, the casing and screws, and the Wi-Fi antenna with a cable to connect it to the Wandboard Dual SoM.

Let’s have a closer look at the board. The top of the board features all the ports (further described below). A SATA connector is included but none of the Freescale SoM (Solo and Duallite) provided with the Wandboard can support it.

Wandboard Top (Click to Enlarge)
Wandboard Top (Click to Enlarge)

At the bottom of the board, there’s an EDM compatible SoM with the Freescale Processor, the RAM chipsets, an internal microSD slot (for the OS), a camera connector, as well as the Wi-Fi module (Dual version only). There’s also a reset button and 4 expansion pin headers at the bottom of the baseboard.

Wandboard Dual Bottom (Click to Enlarge)
Wandboard Dual Bottom (Click to Enlarge)

I’ve take some pictures on the side of the board to have a close look at the ports accessible on the Wandboard.

From left to right, top to bottom we’ve got:

  • Serial connector (DB9), digital line OUT, digital line IN, microphone, and S/PDIF
  • HDMI, Gigabit Ethernet, and 5VDC Jack
  • USB OTG, microSD slot (for applications/data) and USB Host (USB 3.0 Connector, but only USB 2.0 is supported by Freescale SoM)

One of the advantage of the Wandboard is that it’s comprised of a baseboard and a system-on-module (SoM) which are based on the EDM standard. This means, at least in theory, that you could remove the SoM, and replace it by another EDM Compact SoM (85x60mm). I’ve seen some people interested in upgrading their board to “Wandboard Quad” by replacing the provided SoM with Technexion EDM1-CF-iMX6 Quad SoM.

Wandboard Baseboard with EDM Connector
Wandboard Baseboard with EDM Connector

I’ve removed the 4 screws to remove the EDM-IMX6 SoM.

Wandboard EDM-IMX6 SoM (Click to Enlarge)
Wandboard EDM-IMX6 SoM (Click to Enlarge)

On the back of the module, you’ve got 2 more RAM Chips, Atheros AR8031 (Gb Ethernet), and lots of markings. If you want to connect the Wi-Fi antenna, the (golden) connector is just on top of the Wi-Fi module, and right of the microSD slot in the picture above.

Wandboard Quick Start Guides

Casing Assembly

Putting the enclosure and the board together, is extremely easy. Align the board with the top of the case, cover it with the bottom, insert and tighten the 4 screws and you’re done.

You’ve got yourself a nice looking box. There are 2 issues however. The first and most important is that the connector for the Wi-Fi antenna faced the bottom of the enclosure, so it’s impossible to connect the Wi-Fi antenna and use the enclosure at the same time (Wi-Fi should still work without antenna though), unless you drill a small hole at the bottom of the casing. [Update: Wandboard posted the instructions to assemble the enclosure with the Wi-Fi antenna. This involves using a cutter, but it still looks neat]. The second, which is less a problem, is that the OS is stored in the internal microSD, so each time you need to update the OS, you’ll have to open the casing. It would have been a bit more convenient to be able to use the external microSD as well.

Installing and Running Android in Wandboard

I’ll provide the instructions for a Linux PC, but it’s also possible to do with Windows, and Win32DiskImager (Included in the images). First Download and unzip Android Jelly Bean (Early Preview) for the Wandboard Dual in your PC:

You’ll get three files:

  • android-4.1.2-wand-dual-20130207.img – Android Jelly Bean Image for Wanboard Dual
  • android-4.1.2-wand-dual-20130207.txt – Release notes
  • win32diskimager.zip – Disk imager utility for Windows.

Now insert a 4GB (or more) microSD card into your PC, and copy the image with dd or dd.sh:

You’ll have to replace “/dev/sdc” by your microSD card device. You can check by running  sudo blkid.

Insert the microSD card in the internal microSD slot, connect the HDMI connector to your TV, connect Ethernet, a keyboard and mouse via a USB hub, and power the board with a 5V/2A power adapter. After about 2 minutes the boot should be complete, and you should get to the lock screen.


According to the release notes files, wifi, bluetooth, adb, usb gadget and uvc cam are not working in Android yet. HDMI might fail to setup audio rate, and there’s no Setup menu for Ethernet (only dhcp will work). Ethernet works, but there’s no Google Play or file manager, and copying apks into /system/app did not install them automatically. I’ll do more testing once another Android image is available.

Installing and Running Ubuntu 11.10 in Wandboard

Thep rocedure for Ubuntu is very much similar to the one for Android. Get the image, uncompress it, and copy it to a 4GB (or greater) microSD card.

Insert the microSD in the Wandboard, make sure everything is connected, and power on the board. The boot will take a while, and the screen will stay black for about 1m20, then you’ll see a gray background and the mouse pointer, but it will only become usable after 3 minutes (From power on to Unity desktop).

Ubuntu 11.10 in Wandboard (Click to Enlarge)
Ubuntu 11.10 in Wandboard (Click to Enlarge)

As with most other ARM systems, Ubuntu feels really slow to use, mostly because of the I/O on the microSD card, and I suppose Unity is also part of the sluggishness, so using another desktop environment (e..g LXDE) should help with performance. I’ve also tried es2gears just in case GPU acceleration would magically work, but it’s still using software rendering, which is the same issue as with other Freescale i.MX6 devices at the moment. VPU should work, but since there appears to be a lot of fancy things to do with gstreamer, I’ll write a separate post about video playback on Freescale i.MX6 platforms. If you’re planning to use the board as an embedded platform (e.g. for automation), a Yocto Project build is in the work.

Wandboard SDK and Kernel Build

Wandboard developers eventually intend to release the source code in a public repository, but in the meantime, u-boot and linux source code is available as a tar file, which also contains binaries (precompiled kernel, kernel modules, u-boots and patchram util), firmware (for VPU, Bluetooth and WiFi), tools and documentation like SD card layout.

Download and extract the SDK:

You can build the kernel and modules (for Linux/Ubuntu) by following the steps below, assuming the toolchain is already installed:

cd wandboard-sdk-20130208/linux-3.0.35-imx6-wand
cp wandboard_ubuntu_defconfig arch/arm/configs/
make ARCH=arm wandboard_ubuntu_defconfig
make -j8 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- uImage
make -j8 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules
make -j8 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules_install INSTALL_MOD_PATH=../modules

Now that the build is complete, copy uImage and the modules to the microSD card with

Insert the microSD card in the Wandboard, it should boot Ubuntu, and can verify the kernel is the one just you built by displaying the build date with uname:

Ideally you should connect a null modem cable or DB9 serial to USB cable to access the serial console for bootloader and kernel debugging, but since I don’t have one of those, I haven’t tried.

If you have any questions or technical issues with the Wandboard, you can get support on Wandboard Google Group. Header pins description and schematics are available in Wandboard User’s Manual.

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