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The North Star 32K byte RAM board (RAM-32-A) operated at full speed with Z80* microcomputers, even with 4 MHz operation, due to the 200 nanosecond access rating for the 16-pin dynamic RAM chip on which the design was based. Parity detect was provided as a standard feature for maximum system integrity. The RAM-32-A could be addressed to any 32K region beginning at an 8K boundary. The RAM-32-A has a bank switching feature which allowed more than 64K bytes of RAM to be used in the computer, and also facilitated special software applications, such as timesharing.
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This page was last modified on 10/25/2013