Editing RetroTechCollection:Reliable technical sources (section)

== Source Hierarchy ==

=== Tier 1: Primary Technical Sources ===
'''Most authoritative''' - Use as primary references:

* '''Official service manuals''' - Factory-authorized repair and maintenance documentation
* '''Engineering schematics''' - Original circuit diagrams and technical drawings
* '''Component datasheets''' - Manufacturer specifications for individual components
* '''Technical bulletins''' - Official updates, corrections, and modifications
* '''Factory training materials''' - Service courses and certification documentation
* '''Patents and engineering documents''' - Legal filings with detailed technical descriptions

=== Tier 2: Published Technical References ===
'''Highly reliable''' - Suitable for primary sourcing:

* '''Technical books by recognized experts''' - Authors with documented industry experience
* '''Academic papers''' - Peer-reviewed research on computer history and technology
* '''Industry publications''' - Trade magazines with technical editorial standards
* '''Conference proceedings''' - Papers from technical conferences and symposiums
* '''Government technical reports''' - Military or research institution documentation

=== Tier 3: Established Technical Websites ===
'''Generally reliable''' - Good for supporting information:

* '''Manufacturer websites''' - Current companies maintaining legacy product information
* '''Museum documentation''' - Computer history museums with curatorial standards
* '''Technical wikis''' - Sites with established communities and editorial oversight
* '''Professional repair services''' - Businesses with documented expertise and reputation
* '''Educational institutions''' - Universities and technical schools with relevant programs

=== Tier 4: Community Sources ===
'''Use with caution''' - Verify when possible:

* '''Moderated technical forums''' - Communities with established expertise and peer review
* '''Expert blogs''' - Technical blogs by individuals with verifiable credentials
* '''Video documentation''' - Technical videos with supporting written documentation
* '''Collaborative projects''' - Community-driven documentation with multiple contributors