Each device also has a basic Auto operation, which will automatically execute chosen operations in sequence. Xeltek programmer software includes Chip_Erase, Blank_Check, Program, Verify and Read functions. Programming EPROM/EEPROM using Xeltek SuperPro programmers After erasing by exposing under strong ultraviolet light, the user can program the UV EPROM again. The UV version EPROM is a reprogrammable device. Once programmed, the user can only reprogram the area which was not programmed before. The OTP version EPROM can be programmed once and it can't be erased electrically. EPROM devices have two versions: OTP (One-Time Programmable) and UV version. An EPROM can also retain its data when its power supply is switched off. Furthermore, the data stored in an EEPROM chip is not lost even when the power is turned off. Data stored in an EEPROM chip is permanent, unless the user decides to erase and replace the information it contains. EEPROM, unlike EPROM, can be written in or programmed more than once. In short, you are welcome to use them to build this product yourself, but you must contact me to work out a commission if you wish to sell anything derived from them. This product was designed in ExpressPCB so you will need to download a copy of that software from before you can view the files.Xeltek SuperPro universal programmers support a variety of EPROM / EEPROM chips from different manufacturers.ĮEPROM stands for Electrically Erasable Programmable Read-Only Memory, and EPROM stands for Erasable Programmable Read-Only Memory. Note that these files are available for PERSONAL, NON-COMMERCIAL USE ONLY. They can be downloaded here.ĭownload the parts list and PCB layout for this product here. Note that this adapter does not support programming of any EPROM.įor example, this adapter is the perfect solution for testing the MPS6540 ROMs in a Commodore PET 2001 computer prior to buying one of my 6540 ROM adapters.įor more information, read the complete directions. Used in conjunction with an inexpensive Willem EPROM reader / programmer available elsewhere on eBay for as little as $30, this adapter will allow you to read virtually any ROM chip used in vintage equipment! Are you trying to troubleshoot a vintage computer, gaming, or arcade system? Are you having trouble reading or testing the obsolete and obscure types of ROM or EPROM chips that it uses? Well, if so this is the adapter you need.
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