Microbiotics 8UP! Memory Expansion Board

This Microbiotics 8UP! memory expansion is used with the Amiga A2000, A3000, and A4000 systems. It uses the Zorro II Interface. The Autoconfig ID is 1010 / 3 or 1010 / 4. The autoconfig space is divided into two 4 MB areas. By disabling the autoconfig, the address space can be be totally contiguous.

This board was available in a DIP or a SIMM version. This DIP version has 64 DIP sockets that accept up to 8 MB RAM. It only supports 1M×1 DIPs in groups of 16 giving 2, 4, 6 or 8 MB configurations. It has no wait states so the performance is good.


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The Microbiotics 8UP! DIP with 2MB of DRAM installed.

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The rear side of the Microbiotics 8UP! DIP memory expansion board.

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