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A good start!

Further testing will be done tomorrow when I can find where the nice radius video card that was on the IIfx went, my LCD really dosen't like syncing to this random toby card I found.........

-> Thule, the period of cosmographie

Managed to ruin the ends of three traces while removing dead mask ROMs, only on the final chip. Everything was going smoothly until the last possible moment. At least the bodge wires will end up snugly pinned beneath the DIP socket, but it'll be weeks before I forgive myself for blemishing such a pretty logic board...

I'm beginning to think there is some ROM issue with my card. I was wondering if you happen to have an EPROM reader/writer? If so, would it be possible to read the data from your working cards ROM and post it here? What also would really help is a decent, well lit, 4k photo of the chip side of a working card. Who knows, maybe my card has a naughty chip in use on it.