Commodore 
Amiga 
Atari 
Apple 
Macintosh 
DOS 
OS/2 
Windows 3.x 
Windows 9x 
Windows XP 
Windows 7 
Windows 10/11 General & Information 13
Ardent Tool
Everything you want to know about IBM PS/2
20 clicks
Connectors Chart
Excellent reference for PC Connectors
19 clicks
DOS Secrets
Undocumented DOS Secrets
21 clicks
DOS Timeline
Neat history of DOS releases
21 clicks
DOS USB Drivers
22 clicks
MGDx Max Speed Windows
Has good info on DOS too
19 clicks
Old Computers from the 70s and 80s to Today
A personal blog about old computers
36 clicks
Old Crap – Museum of Computer Anatomy
Best photos and technical documentation of retro computers, TVs and digital watches that are part of my collection. I document them as my time permits.
24 clicks
Słomkowski's technical musings
USB Storage for MS-DOS
22 clicks
TexElec
Really cool retro hardware
13 clicks
The Retro Web
Excellent Hardware Site
18 clicks
VGA Museum
Video Cards Since 1981
19 clicks
Video Card Tests
Excellent DOS Video card resource
22 clicks
