Right, you can easily compare it to other chips that have been previously decapped. But I don't think the 1541 gate array has been decapped and the 1542 gate array could look entirely different. So a decap will certainly give more information, but we can't predict what that information will be and whether it will be enough to draw a conclusion. One outcome is that we'll be able to reproduce the functionality but still not actually know what it's for. It could just be a mask rom. On 21/06/2021 09:50, silverdr_at_wfmh.org.pl wrote: > AFAIU there are people who can identify functional blocks out of die photos. Or at the very least make sure that it doesn't have anything to do with the Video Interface Controller family of ICs ;-) > > What it was built for is another story and can be hard to deduce even from a full set of schematics/diagrams. >Received on 2021-06-21 12:00:04
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