APC series

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The APC (Advanced Personal Computer) was a series of business microcomputers released outside of Japan by the NEC Corporation.^[1] The series comprised the APC, the APC II and APC III, international versions of models from the Japanese NEC N5200 series(jp).^[2]

The 8086-based N5200, released in 1981, was the first computer to use the NEC μPD7220 High-Performance Graphics Display Controller.^[3]

The better-known PC-9800 series, released a year later by the different division, had a similar architecture to the original N5200 and used many of the same components. The most significant differences between the two were that the PC-9801 had slightly lower vertical screen resolution, graphics were standard instead of optional (still using a second μPD7220) and it used 5.25" floppy drives instead of 8".

The APC IV, despite sharing the series name, was an ordinary IBM PC/AT compatible and not compatible with the earlier APC models.