Upon the boot first, we are greeted with the OOWOW Wizard in order to configure WiFi, and then select an OS image.Īt the time of testing, Android 11, Android 12, Ubuntu 22.04 Desktop and Ubuntu 22.04 Server were available. If you don’t like to mess around with MicroSD cards and/or USB cables together with Windows or command line tools, you’ll love the Khadas boards as they now come with the OOWOW system that allows the user to download and flash his/her selected OS image with an easy to use interface. Let’s connect the board to an HDMI connector and a keyboard because connecting it to a USB PD adapter to power it up. Installing Ubuntu 22.04 with OOWOW system I measured the thickness to be about 11mm with a caliper. The board remains fairly slim even after the heatsink is installed. I wish Khadas could use those on all their boards, but space on the PCB may be an issue. The Khadas VIM1S SBC has a larger u.FL connector, and it’s much easier to install the single antenna that comes with the board.
They can detach easily too, and I ended up damaging one of the connectors, just like I did with the Khadas VIM4 featuring the exact same tiny connectors. The MHF4 antenna connectors are tiny, and I find antennas really hard to insert on the board properly. I’d recommend installing the antennas before the fansink.
The fan may not really be necessary though as we’ll see below. The Khadas Edge2 comes in two variants: Basic and Pro, We received the Edge2 Pro SBC with 16GB RAM and 64GB flash that ships with two WiFi antennas by default, but the company also sent a low-profile fansink and thermal pad for cooling that in theory would be optional, but in practice, it is required as while the board runs fairly cool considering the performance it brings, it still needs a heatsink to prevent overheating and throttling. We’ve had a sample of the Khadas Edge2 single board computer powered by Rockchip RK3588S octa-core Cortex-A76/A55 processor for a couple of weeks, and now that the board is officially launched we can post our review of the board with Ubuntu 22.04, and we’ll check out Android 12 later on.
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