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PostPosted: Sun Jun 15, 2014 12:47 pm 
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Joined: Fri Sep 14, 2012 12:17 pm
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Lately I've been having issues with saving disks on my Twin Famicom, sometimes I'll get an error 26 and my game won't get saved. In one case I actually lost a save game (!) in Zelda 2 because of an error 26. I've heard this is usually caused by the copy protection kicking in if the disk is even the slightest bit misread.

I'd like to either disable or remove the copy protection ICs on the Twin Fami's power board, but I'm not exactly sure where to start. Here's pictures of the Twin Fami's power board which come from an earlier thread of mine:

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PostPosted: Sun Jun 15, 2014 8:00 pm 
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Joined: Sun Mar 19, 2006 9:44 pm
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Location: Japan
Depending on the Protection circuit INSIDE the FDS drive itself, you might still not be able to do rewriting. However, here's what worked for me on the power board:

Image

Remove both grey wires going IN and OUT of the power board and connect them to each other. Presto!

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PostPosted: Sun Jun 15, 2014 10:57 pm 
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ccovell wrote:
Depending on the Protection circuit INSIDE the FDS drive itself, you might still not be able to do rewriting.

I presume you're talking about whether or not the drive has the FD7201 or not?


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PostPosted: Sun Jun 15, 2014 11:19 pm 
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Yup.

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PostPosted: Mon Jun 16, 2014 9:13 pm 
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ccovell wrote:
Yup.

My drive has the 7201 so it sounds like this'll work. I'll give it a shot later tonight and report back.


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