The Sega Model 2 arcade hardware came in 4 variations over the years it was offered: “Model 2”, “Model 2 A-CRX”, “Model 2 B-CRX” and “Model 2 C-CRX”. While they do share an architecture most of the major components are not cross compatible and that includes the game releases and the ROM boards that the game ROMs install onto.
Continue reading ‘Sega Model 2 ROM Board Maps’Archive for the 'Video Games' Category
As you may know the Sega NAOMI hardware is based on the Sega Dreamcast console. along with this it also shares the “Maple Bus” which is what the Dreamcast used for controller ports. A handful of NAOMI games actually support the use of Dreamcast Controllers and/or VMUs (what the Dreamcast called it’s very cool memory cards).

A while back I worked out a drop in RAM replacement on the Midway Y-Unit Arcade hardware.

When Sega launched the Astro City Candy cabinet they gave it a modular control panel to make swapping the panel as easy as swapping the the game board. They continued using this control panel Design up through the New Net City and many cabinets in between.
Continue reading ‘All Known Official Sega Panels for Astro through New Net City’A lot of arcade games run with the monitor rotated 90 degrees from the “normal” format that we’re used to with our TV’s. If you’ve ever tried to install one of these games in an arcade cabinet you might be scratching your head as to which way to rotate the monitor. The Truth is it depends on the game…
My friend Dave is looking to have some reproduction Virtual On OT panels made and since I have a few original panels he asked me to take some measurements for him.
Continue reading ‘VOOT Control Panel Dimensions’I recently picked up 2 “non-working” Konami M2 boards. I’ve since managed to get both of them working. This hardware is actually fairly robust and it took minimal effort to get mine working but a long the way I learned a lot about how the hardware works and some common problems you might run into.
In Part 2 I broke down the details of the LED board, in Part 3 I broke down the details of the Sega/IR Sensor Board. Here in Part 4 I’m going to cover the Gun Sense Board and Protection Board
In Part 2 I started breaking down the technical details with the Sega/OHMIC IR LED boards. Here in Part 3 I’m going to continue breaking down the technical details.
In Part 1 I discussed a high level overview of how the Sega/OHMIC IR light gun setup works. Here in Part 2 I’m going to start breaking down the technical details.