Taito C-Chip: data by lobotomy

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CAPS0ff writes:

In a previous post we described some early attempts to analyze the Taito C-Chip. See Haze’s forum post for some background on the C-Chip itself.
In particular we’re interested in the EPROM. Previous efforts focused on less invasive techniques with the goal of keeping the C-Chip alive after dumping. Unfortunately, we’ve been unable to successfully send an unlock command and efforts to rebond the EPROM die have been difficult with the equipment we have on hand.
With this in mind, we took a break to regroup. If we remove the ASIC we can solder to PCB traces shared with the EPROM. Traces are documented in our wiring diagram

More details on his blog here.

from Dangerous Prototypes https://ift.tt/2GMnm9Q

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