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#42c Memory Module (RAM + ROM)


Description

  • RAM 64kb (2 x 32kb)
  • ROM 4 x 16kb banks (64kb)
  • 51 x 102 mm
  • RC40 bus connector

Components

  • PCB - 42c
  • DIP-28 socket (3x)
  • DIP-16 socket (2x)
  • DIP-14 socket (2x)
  • RAM 26256 (32kb) (2x)
  • ROM 27C512 (64kb)
  • 74HCT238
  • 74HCT139
  • 74HCT74
  • 74HCT32
  • 8 dip-switch
  • 100nF capacitors (7x)
  • pins and jumpers
  • 1x40 pin angled male connector

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Recommended boot loader is Small Computer Monitor.
SCMon R2 (16kb)
SCMon R3 (32kb)
The SCMonitor is copyright Steve Cousins. A detailed user manual can be found here. Small Computer Central