Interfacing 8051 with 32KB RAM and EPROM from 8000H - YouTube
32kb Memory Extension Board for the Micro-KIM : 5 Steps - Instructables
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Casio RP 33 Memory module (32kb) for Casio calculator Excellent Condition. | eBay
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Interfacing 64Kb EPROM with ppt download
Working 32kb RAM! : r/beneater
32kb Memory Extension Board for the Micro-KIM : 5 Steps - Instructables