But with the firmware everything turned out to be much more complicated. Having assembled the programmer, I was able to dump a couple of chips of interest. Maximum 18 volts (TL866 + or 21 for the previous version).Ī quick googling led me to this repository. And even during the development process, he bought it for himself, but he is not able to flash chips that require high programming voltage. It’s worth mentioning right away that I know about the existence of TL866. Accordingly, in modern versions of Windows software will not work. It was written a long time ago, when working with input / output ports in operating systems was carried out differently. In modern computers, this interface is still found (though not a full-fledged connector, but on the comb) and buying a card in a PCI slot is also not a problem, but there are already difficulties with software. Of course, it is possible to compile on the logic for the LPT port, but this option was discarded, since for use it would have been necessary to include some other old man. When studying and repairing computers that are older than me, it was necessary to flash ROMs.
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