The software will still have an awkward GUI with Chinglish text, but will essentially work. Stick with the default path, or some other folder with write access. The software wants to write settings infomation to its main folder, and produces all kinds of quirky error messages when it can't. Learning #2: When installing the software, do not chose a folder inside the "program files" folder.I also want to program ancient EPROMs with 25V programming voltage, and the G540 is known not to have sufficient power for this.) Learning #1: While the ads and the manual claim that you can power the G840 via USB, as long as you do not need the extra power - do not bother trying! The USB +5v line is unconnected inside the G840, so you always need the external power supply. (There is a G540, which supposedly is identical except for the fact that it is USB-powered only. I opted for the G840 model, which has an external power supply.After a couple of hours playing with it, I can share some first tips, and have one big question: So far, it has lived up to my expectations. I opted for a Chinese Genius G840 USB programmer $80 shipped from ebay. But given the fact that I wil use it rarely, I wanted to keep costs down. So I figured it's time to buy a new programmer. My homebrew EPROM and GAL programmers are both from the early 90s, require a parallel port on the PC, and refuse to support any more recent chips.
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