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SuperMem 512 for TRS-80 Model 1k (V1)

author: kiwisincebirth
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2 layer board of 2.01 x 2.38 inches (51.0 x 60.6 mm)
Uploaded: October 23, 2025
Shared: October 23, 2025
Total Price: $23.95

View project on Github

The SuperMem board is an addition to the TRS-80 Model 1k that provides 512KB of Banked SRAM (mostly) compatible with the SuperMem 512 for the Model 1

This is implemented as a small board that replaces the 128 Kbyte SRAM chip on the main board, and contains the 512KB SRAM and the necessary bank control logic.

NOTE: THIS IS FOR V1 OF THE MODEL 1K

The SuperMem board is an addition to the TRS-80 Model 1k that provides 512KB of Banked SRAM (mostly) compatible with the SuperMem 512 for the Model 1

This is implemented as a small board that replaces the 128 Kbyte SRAM chip on the main board, and contains the 512KB SRAM and the necessary bank control logic.

NOTE: THIS IS FOR V1 OF THE MODEL 1K

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      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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