AR8MXMQ Memory Test = 1. Download uuu + image [ar8mxmq_5.4_yocto_2021-0217.zip](https://engineering.bcmcom.com/CustomerDL/AR8MXMQ/ar8mxmq_5.4_yocto_2021-0217.zip) 2. Restore to eMMC * Connect USB Type C cable * Move jumper from JP5 to JP4, enter downloader mode * Run UUU command with administrator privilege ``` uuu -b emmc_all flash-4gb.bin imx-image-multimedia-imx8mqevk-20210217070005.rootfs.wic.bz2 ``` * Move jumper back to JP5 3. Add imx8mq-ar8mxq.dtb to 1st partition * Connect serial console (3.3V TTL, TX/RX/GND) to CN21, power on and hit any key to enter u-boot command prompt. ``` u-boot=> ums 0 mmc 0:1 ``` * Use file explorer to copy `imx8mq-ar8mxmq.dtb` to eMMC 1st partition * Press `Ctrl-C` to exit `ums` and reboot AR8MXMQ board 4. Boot to Yocto and start test with Wayland Terminal * Run 500M memtester x5 ```=shell nohup memtester 500M & ``` * Run 3D tutorial x1 ```=shell cd /opt/viv_samples/vdk ./tutorial3_es20 ``` * Open one terminal and check system load ``` top ``` * Open another terminal and check CPU temperature (update every 2 seconds) ``` watch cat /sys/devices/virtual/thermal/thermal_zone0/temp ```