Sega Mega-Tech Restoration

Arcade Collecting > Restorations & repair

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mourix:

--- Quote from: pbj on March 15, 2024, 10:48:35 pm ---Incredible work. Have you considered simply…. Cutting down your mega drive shells for those pcbs that don’t have long enough fingers? It’s not like children are ever going to be banging around these things.

:-\

--- End quote ---

Thank you. The limit on these shells is not the end perimiter, but the "wall" the edge slides through. I ended up making the new carts 1mm longer.

mourix:
Compilation carts.

So turns out Sega made a bunch of 3-6 game compilation carts near the end of the Mega Drive's life cycle.

Let's find the best combination:

After which, I made python script to generate menus for many custom carts:

For the next step, get scammed on Aliexpress by getting 1 27C322 instead of 10:

After getting a refund and getting more, make these carts:

And suddenly the menu is on the Mega-Tech:

And Gunstar Heroes plays :D

With these 1mm longer Redux carts, the fake shells are fine.

pbj:
There's also a "10 in 1" ROM that combines most of those multis into one. It does take a little while to boot on my system... like 5 seconds or so. No big deal, but it's unusual.

mourix:
The Mega-Tech has the menu rom mapped at 3MB. So that's the limit of size it stabally plays. The 10 in one is 4mb.. But the ones I show top out at 3mb.

mourix:
Got the master system roms permanently transplanted to the redux PCBs too.

Legit bootleggery here :)

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