ACME Motherboard Finder - Web-based utility for selecting a motherboard based on multiple user requirements. Lists over 1000 models.

Asus A7V UK - Dedicated to the Asus A7V and Asus A7V133 motherboards. Provides overclocking and modification information.

ELHVB - Manuals for older motherboards and BIOS information. Also some legacy I/O card manuals.

HardwareCentral Motherboard forum - Large forum about motherboards and CPUs.

How Motherboards Work - Beginner's guide to motherboards, their operation and internals.

Laptop Motherboard Replacement & Repair - Blog detailing laptop motherboard part numbers and compatibility, as well as occasional fitting details.

Motherboard Manuals Data and More - Listing of motherboard component specifications ranging from vintage 486 to Pentium models with complete manuals and detailed diagrams available.

Motherboard Point Forums - Regularly updated motherboard forums with sections for each of the main manufacturers.

Neoseeker Motherboards & CPU forum - Discussions, with forums optionally broken down to individual product level.

The PC Technology Guide - Outlines the PCs main circuit board, including bus standards, chipsets and connectivity. Includes graphics, diagrams and an integrated glossary.

Sharky Extreme - Motherboard reviews, comparisons and recommendations.

Spec Sheet - Correlates spec sheets from various motherboard manufacturers into a searchable resource.

VP6-Board.com - Resource for the Abit VP6 motherboard.