Choosing a SBC for a project

board processor RAM jtag test images? qemu machine guide spec

raspberry pi, pi 0 1GHz ARM1176JZF-S 512MB https://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/os/ https://www.raspberrypi.org/products/raspberry-pi-zero/?resellerType=home pi 2 900MHz quad-core ARM Cortex-A7 CPU Cortex-A7 1GB raspi2 https://www.raspberrypi.org/products/raspberry-pi-2-model-b/?resellerType=home beaglebone black, pocket beagle AM335x 1GHz ARMĀ® Cortex-A8 512MB https://wiki.osdev.org/ARM_Beagleboard https://beagleboard.org/black nano pi neo lts Allwinner H3, Quad-core Cortex-A7 256MB/512MB https://www.friendlyarm.com/index.php?route=product/product&product_id=132 iMX233-OLinuXino-MINI iMX233 ARM926J processor at 454Mhz 64MB https://www.olimex.com/Products/OLinuXino/iMX233/iMX233-OLinuXino-MINI/open-source-hardware liche nano Allwinner F1C100s, ARM 926EJS 32MB https://www.seeedstudio.com/Sipeed-Lichee-Nano-Linux-Development-Board-16M-Flash-WiFi-Version-p-2893.html

https://www.twosixlabs.com/running-a-baremetal-beaglebone-black-part-1/ https://github.com/allexoll/BBB-BareMetal https://github.com/auselen/down-to-the-bone

https://octavosystems.com/app_notes/bare-metal-on-osd335x-using-u-boot/