Atari 800 MOTHER/MAIN PCB New Tested Working NO POKEY CHIP | eBay
Atari 800XL PCB - soldering and troubleshooting | ezContents blog
Extreme refurbishing: Episode 2 - Atari 800 XL - Part one - retrohax.net
AtariGiant - Atari 800 XL, Motherboard Photos
Comments - Inside the Atari 800XL - by Paul Lefebvre
swetland@chaos.social on Twitter: "Some context for this keyboard project. Attached photos of the Atari 800XL mainboard (note the 1x24 2.54mm pitch flex connector at the right, near the joystick ports) and keyboard
How to upgrade your Atari with Ultimate 1MB, Stereo and Sophia DVI