Preformance Memory Card
Commonly found 3rd party memory card, longer than the OEM controller pak

Board
Similar to the OEM pack, utilizes a 32K X 8 CMOS STATIC RAM, backed up by a battery to keep memory while it is not inserted into a powered on system.
Unlike the OEM pack which uses a battery management IC, it utilizes a transistor, two diodes, and a couple resistors to manage the power.
Hardware Specs
Ram chip: Winbond W24258-70LE
32K X 8 CMOS Static RAM
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Timings
THe write address access time, and write cycle time is longer than the OEM pak at 100nS

Last modified: 18 October 2024

