Erase a 40-Pin AM27C400 Programmable EPROM With Ultraviolet Light for Upgrading the ROMs of Retro Computers Such as the Amiga 600 and 1200 (30-60 mins)

Task: Erase a 40-Pin AM27C400 Programmable EPROM With Ultraviolet Light Needed: AM27C400 EPROM, UV light source, TL866 universal programmer Time: 30-60 minutes Introduction I have previously posted about burning 40-pin AM27C400 EPROM chips for upgrading the ROM of an Amiga 1200. Unfortunately, several of my EPROMs were not fully blank

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Create a Diagnostic ROM Chip for Your Amiga Computer Using a 27C400 EPROM and a TL866 Programmer with Adapter (30-60 mins)

Task: Create a Diagnostic ROM Chip for Your Amiga Computer Using a 27C400 EPROM and a TL866 Programmer with Adapter Needed: 27C400 EPROM, TL866 Programmer, EPROM adapter, Diagnostic ROM file Time: 30-60 minutes Introduction I have previously posted about building a diagnostic cartridge for diagnosing problematic Commodore 64s. A similar

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Assemble a 27C322/160/800/400 EPROM Programming Adapter for Creating New ROM Chips for Retro Computers Such as the Amigas and Classic Macs (30-60 mins)

Task: Assemble a 27C322/160/800/400 EPROM Programming Adapter for Creating New ROM Chips for Retro Computers Such as the Amigas and Classic Macs Needed: 27C322/160/800/400 EPROM Programming Adapter or kit requiring soldering Time: 30-60 minutes Disclosure: Note that as an eBay Partner Network Affiliate, I may earn from qualifying purchases Introduction

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