CPU MOS Technology 6509 @ 1 or 2 MHz, Intel 8088 or Zilog Z80A @ 4 MHz optionMemory 128 or 256 KBGraphics VIC-II (320 × 200, 16 colors, sprites, raster interrupt) or 6545 CRTCSound SID 6581 (3× osc, 4× wave, filter, ADSR, ring)