Technical Sega.blogspot.com -
The blog is not for the faint of heart; it assumes a baseline knowledge of assembly language or computer architecture. Key areas of focus usually include:
To give you a taste of what you'll find, here is a simplified version of a classic Technical Sega.blogspot.com post: replacing the jet-engine loud Dreamcast fan with a Noctua 40mm fan.
(The original blog post includes voltage regulator diagrams; this is the TLDR version.)
The blog warns: "Do not simply wire the Noctua directly to 5V. It will stall. Do not wire it to 12V from the PSU. It will spin, but you will blow the controller board fuse." Technical Sega.blogspot.com
Because the URL is a standard Blogger domain, the search functionality is poor. Use Google dorks to find specific content on Technical Sega.blogspot.com.
Pro search strategy:
site:Technical Sega.blogspot.com "Genesis" "capacitor list"
site:Technical Sega.blogspot.com "Dreamcast" "fan mod"
site:Technical Sega.blogspot.com "Saturn" "region free"
The sidebar (if you scroll down the HTML page) contains labels like "Sega CD," "Power Supply," and "Video Output." Click these to view chronological posts. The blog is not for the faint of
Warning: Posts date back to 2011. Some image links (hosted on Photobucket or TinyPic) may be broken. However, the author usually provides written text fallback. If an image is missing, the text description is often enough to complete the mod.
Crazy Mods: They didn't just do basic region-free mods. They attempted and documented:
Technical Reference: They posted pinouts of custom Sega ASICs (Application-Specific Integrated Circuits), oscilloscope readings, and logic diagrams. For a while, it was the only place on the web where you could find the pinout of the Sega Saturn's video encoder chip. The blog warns: "Do not simply wire the
Is the blog still online?
As of my last knowledge, yes, the blogspot URL still exists, but it is unmaintained. Many images (hosted on old services like Photobucket or Tinypic) are broken. Some of the advanced guides are now out of date, as commercial mod kits (e.g., the Dreamcast DCDigital, Game Gear LCD replacements) have made his "from scratch" methods obsolete.
But... the community preserved the most important content. You can find archives of Technical Sega's guides on:
In the era of emulation, having accurate technical documentation is vital. Emulators (like Kega Fusion or Mednafen) rely on accurate cycle timing and memory maps to run games correctly. Blogs like Technical Sega contribute to this ecosystem by: