Atari 8-bit Video Upgrades and 800XL Sophia Install - YouTube
Atari 800XL miglioramenti Hardware | nIGHTFALL Blog / RetroComputerMania.com
ANTIC - Wikipedia
Atari 800XL Motherboard | The motherboard of my 800XL, stock… | Flickr
Adding S-Video to an Atari 800XL
Anatomy of an 800XL
800XLF - Atari 8-Bit Computers - AtariAge Forums
Motherboards - Atarinside
File:Atari 800XL board top (72RHA AT8489594 I-474).jpg - Wikimedia Commons
AtariGiant - Atari 800 XL, Motherboard Photos
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
Inside the Atari 130XE - by Paul Lefebvre
Comments - Inside the Atari 800XL - by Paul Lefebvre
Atari 800 MOTHER/MAIN PCB New Tested Working NO POKEY CHIP | eBay
Fixing Atari 800XL - part 1 - gynvael.coldwind//vx.log
Extreme refurbishing: Episode 2 - Atari 800 XL - Part one - retrohax.net