PC532

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The PC532 was a "home-brew" microcomputer design created by George Scolaro and Dave Rand in 1989-1990, based on the National Semiconductor NS32532 microprocessor (a member of the NS320xx series). Full hardware documentation for the design, including schematics and PAL programming data, was made freely available, and a short run (around 200) of motherboard PCBs were produced for hobbyists to populate and assemble into fully functional systems.

  • PC/AT form-factor motherboard
  • NS32532 CPU and NS32381 FPU (25 MHz)
  • 4 to 32 MB of RAM
  • National Semiconductor DP8490 SCSI host adapter
  • Adaptec AIC-6250 SCSI host adapter
  • Four SCN2861 DUARTs (providing 8 serial ports)
  • 27256 32 kB firmware EPROM

Operating systems

References

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