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Yes it was replaced by the TL866II Plus but you can still find the old 866 around, the plus has a lower maximum vpp voltage (18v vs 21v for the old 866) and that's could cause problem working with some very old eprom, I had trouble in the past with usb programmer not having enough vpp voltage to...

While I was browsing some old photo of my hardware "collection" I stumbled upon some pictures of this little hack that I made some years ago and thought to post here just for fun. Well the thing started with an ADC only Apple Studio 17" flat panel display with a broken panel and a Samsung...

I had great success with various eprom with a cheap and pretty easy to find "minipro tl866" programmer, it's a small usb programmer with good support for most of the eprom or flash memory, you can find it with a variety of adapter for 50/60$, it's now an obsolete product but it's software and...

And we have a winner. Burned another 27c512, put on the card, put the card into a mac IIci, and here we go, SuperMac Thunder/24 rom v3.0 which enabled monitor and resolution selection ! Thank you very much for your time, I'm sure more than one Thunder/24 user could benefit from this updated rom...

Thank you for the dump but it seems to be incomplete, it's half the size (32Kb) of the two other copy I have (64Kb each), tried it anyway (for the little time it takes) and with it the board doesn't work (no video output, not recognized by tuttletech in any way), maybe you read the eprom as a...

If the card you're referring to is the one posted in "Bolles finds" thread I can confirm that indeed mine it's the exact same card minus the dsp daugher board, also in said picture it's possible to see that one of the card is sporting an eprom labeled exactly as "thunder/24 V3.0.0" so the rom...

Hi, I'm not sure if this is the correct place for such request, but I have a SuperMac Thunder/24 card with an old rom on it (1.15) and I'm searching for a newer rom for this card, supposedly it will gain on-the-fly resolution switching with a 3.x rom plus I think better ppc compatibility. I...