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Even though is unable to burn some of them, as some of the previous commenters say. The previously suggested Minipro TL866 reads quite a lot of older EPROMs successfully - the Taiwanese company that manufactures it has a complete list on their site.

Understand that I'm not taking some contrary position or challenging you, I'm just trying to learn here. Again, I'm only repeating something I'd read a few times over the past week or so in my research.

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I guess older ones (or re-writable types) even have clear windows which expose the component that is UV sensitive and actually designed for use as an erasure measure. I had read that Sunlight, and to lesser degrees florescent lights and camera strobes, may all be able to erase the data on EPROMs. In the absence of an artificial UV light source, how about direct Sunlight? We have some of the brightest Sunlight on the planet here (due to our proximity to the Equator/Sun's angle, pollution-free skies, and arid weather), and this time of year it is especially powerful. Flash memory has replaced EPROMs so you'll only find these 2nd hand and then it's a matter of if the tube is still good. There are special types with drawers to slide a couple to a lot of EPROMs and give them a zap for 20 minutes. keeping my newly acquired 90s rack gear up and running is important to me.ДЄ UV lamp. so that's about the extent of my background and previous experience. In the early 90s, back in the DOS 5.0 and Windows 3.1 286/386/486 days, I knew batch language like I know English.

I've never done anything of this nature beyond standard hard drive installations, using hardware SYSEX backup devices (such as the Alesis Datadisk), and so on. I'll need to be handheld a bit as this is explained to me. There's a LOT of stuff on eBay for these purposes, but I don't know one from the other. *** What makes a 'good' EPROM blank and where do I obtain them?

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So now I need guidance regarding a decent EPROM burner, the required transfer software (for PC, Win10), and blank EMPROMs. Almost like burning CDs with an external CD drive. Pretty much like doing any other data transfer from one piece of external hardware, into a computer, then transferred into another piece of external hardware. then place a new EPROM blank into the burner and load the firmware I've copied into my computer into the new blank EPROM chip. I've done a little research, so I understand I need to purchase some type of EPROM 'burner', which would (I guess) extract or read the firmware on the existing EPROM chip, load it in to my computer. This is just another effort towards that end. I'm big on keeping spare parts and backup files on hand for all of my gear if possible.

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This just makes good sense to me, especially since you cannot just download firmware from manufacturer's websites on a lot of this stuff (especially from manufacturers that no longer exist, such as E-MU).

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So when I'm done I have a firmware file AND a tangible new EPROM chip loaded with that firmware, all ready to install in the old rack pieces. I would also like to be able to store the firmware file(s) on data storage medium (computer hard drives, thumb drives, and the like). What I want to do (if possible) is to make copies of their installed EPROMs. There are NO firmware files available on the web for these devices. I have recently procured a few pieces of 90s rack gear (Yamaha, E-MU, Alesis, et al.). Now that we've established that, movin' on.