EPROM Services 32-way Port

Hardware: Add-on
Entry Summary
ID1000144
TitleEPROM Services 32-way Port
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GenreHardware: Add-on
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Without Load ScreenNo
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Release #YearDownloads
#019830
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TypeTitlePublicationIssueDate
standaloneEPROM Services 32-way PortEprom Services-1983
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Summary32-way I/O port based on the 8255 chip. It uses a standard 24 line port with one output fed into eight flip-flops to gain the extra lines. These extra lines are four pairs which can only be oposite each other. (if four are 0, then the other four must be 1). This port requires a motherboard for connection costing £24.00
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