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Super Metroid cartridge save issues.

Ergot_Cholera

Flaccid Member


I have a copy of Super Metroid that has problems with saving. I have replaced the battery with a brand new one and the problem persists, I replaced the new battery with one taken from another SNES game cartridge that was still outputting 3V with the same result.
I have tried it in several consoles and it makes no difference, it might hold the save for a while but then when I come to play a while later it does not load on the first attempt and then when it does load the saves are gone.
Could this be a bad SRAM chip?
 

Ergot_Cholera

Flaccid Member


Thanks. I am pleased to get a reply from the great TriMesh. Do you know of the cheapest/most available donor that contains MAD-1 and 64K SRAM? Most probably a sports game?
 

TriMesh

Site Supporter 2013-2017

<div class="bbCodeBlock bbCodeQuote" data-author="Ergot_Cholera">

<div class="attribution type">Ergot_Cholera said:

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<blockquote class="quoteContainer"><div class="quote">Thanks. I am pleased to get a reply from the great TriMesh. Do you know of the cheapest/most available donor that contains MAD-1 and 64K SRAM? Most probably a sports game?[/quote]

</div> Anything with a xx3M board in it will work - you could try something like NBA 95/96, NHL 96/97, FIFA 96 - they should all be OK.
 

Ergot_Cholera

Flaccid Member


My copy is the BA3M-01 PCB. I have bought a cheap copy of Kamaitachi No Yoru which uses the BA3M-10 PCB, with the intention of just swapping over the ROM chips. There are versions of Super Metroid that use this board, so I assume that this would work?
 

TriMesh

Site Supporter 2013-2017

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<div class="attribution type">Ergot_Cholera said:

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<blockquote class="quoteContainer"><div class="quote">My copy is the BA3M-01 PCB. I have bought a cheap copy of Kamaitachi No Yoru which uses the BA3M-10 PCB, with the intention of just swapping over the ROM chips. There are versions of Super Metroid that use this board, so I assume that this would work?[/quote]

</div> Yeah, that should work fine. The general rule of these things is that higher dash numbers are compatible with lower ones, but not necessarily the other way around. I was assuming you were going to be swapping the RAM and MAD-1, since that's less soldering <img alt=":)" class="mceSmilieSprite mceSmilie1" src="styles/default/xenforo/clear.png" title="Smile :)"/>
 

Bad_Ad84

The Tick


It's also assuming there's not an issue with the original pcb.

Swapping rom is pretty much guaranteed to work, as long as the roms are fine.
 

Ergot_Cholera

Flaccid Member


I did originally intend to swap the RAM and MAD-1, but the PCB of my BA3M-01 is that strange grainy substrate material and the smooth stuff just seems better quality.
 

Pikmin

Resolute Member


I would just swap the two mask roms on the donor cart for starters which is what you are intending to do anyway.
 

TriMesh

Site Supporter 2013-2017

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<div class="attribution type">Bad_Ad84 said:

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<blockquote class="quoteContainer"><div class="quote">It's also assuming there's not an issue with the original pcb.

Swapping rom is pretty much guaranteed to work, as long as the roms are fine.[/quote]

</div> Yeah, but it also reduces the number of games you can use as parts donors - I have a box of old Japanese sports games (which I think I got for 100 yen each at Hard Off), and I try to use those for parts whenever possible.
 

Ergot_Cholera

Flaccid Member


I swapped over the Super Metroid ROM chips to the donor and it is saving fine now.
It was harder to remove the chips from the BA3M-01 as it has double side soldering, the BA3M-10 donor is single side soldered and seems like a better quality PCB.
The BA3M-01 board just seems inferior quality, the gold fingers (just learned of that term!) are much too shiny.
 
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