Re: Save ram question, and snes rom dumping?

> I had an idea that if some special chip would lock out the rom (I think the sa-1 does that,) then you could just desolder the rom chip, put it on another plain circuit board of some game without a special chip, and then dump that as if this rom chip was supposed to be there. Like take the kirby superstar cart apart (undumpable because of the sa-1 chip,) carefully take out the rom chip, then put it on the circuit board of let's say super metroid, and then dump the super metroid circuit board.

> That was just a guess, and maybe an explaination of why these games haven't been dumped untill like the past year. But I could be totally wrong, so that's why I'm asking here. I just wanted to know if the best snes backup unit could dump ANY cart, regardless of special chips.

You are mostly correct. It has been impossible to dump a few carts such as Kirby Superstar using copiers because of the interference of the special chips used by some of these carts.

How progress was made recently was to open up the cart, pull off the rom chips and read them directly with a rom reader. You could also take these chips out of the special cart and put them in another cart to read them if the rom is the same pinout and form factor in that cart. Many of the new roms in the special chip games are surface mount devices and the roms in the older carts are dips. If you were a die hard you could wire an adapter to convert the pinout and form factor so you could read the roms in another cart but to my knowledge no one has done this yet. The situation is also complicated by games like Far East of Eden Zero which use two separate rom chips.

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Message	> > Also, can most snes backup units, or even just the super wildcard dx 2 dump any cartridge easily? I can see how they can dump ordinary roms, and also older games with special chips like star fox. But others like mega man x2, and kirby superstar, why has it taken so long to dump them? I know good dumps of them have been on the net for a while, but before then, the last backup unit had probably been out for several years, along with the carts of these games. Had just nobody owned the cart and the best backup unit until recently? > > I had an idea that if some special chip would lock out the rom (I think the sa-1 does that,) then you could just desolder the rom chip, put it on another plain circuit board of some game without a special chip, and then dump that as if this rom chip was supposed to be there. Like take the kirby superstar cart apart (undumpable because of the sa-1 chip,) carefully take out the rom chip, then put it on the circuit board of let's say super metroid, and then dump the super metroid circuit board. > > That was just a guess, and maybe an explaination of why these games haven't been dumped untill like the past year. But I could be totally wrong, so that's why I'm asking here. I just wanted to know if the best snes backup unit could dump ANY cart, regardless of special chips. > You are mostly correct. It has been impossible to dump a few carts such as Kirby Superstar using copiers because of the interference of the special chips used by some of these carts. > How progress was made recently was to open up the cart, pull off the rom chips and read them directly with a rom reader. You could also take these chips out of the special cart and put them in another cart to read them if the rom is the same pinout and form factor in that cart. Many of the new roms in the special chip games are surface mount devices and the roms in the older carts are dips. If you were a die hard you could wire an adapter to convert the pinout and form factor so you could read the roms in another cart but to my knowledge no one has done this yet. The situation is also complicated by games like Far East of Eden Zero which use two separate rom chips.
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