In this video I'll be testing the 4116 / 4164 DRAM tester that I assembled in a previous video. This is a design by Stephen Vickers, and (at time of writing) is available for purchase from his eBay store in kit form and ready-built.

eBay link: [ Ссылка ]

Please note that I purchased this board to assist me in repairing retro systems; 4116 and 4164 RAM chips are widely used in 80s era computers such as the ZX Spectrum and Commodore 64.

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