title: NEC ProSpeed
text: # NEC ProSpeed
  
  The ProSpeed was a line of laptop computers developed by NEC in 1988. It was introduced simultaneously with their slimmer and less heavy UltraLite line of notebook computers. The i386SX-equipped CSX model, released in September 1989, was the first laptop with a color LCD. It was also one of the first laptops with to be offered with a docking station. The CSX model was featured on the front cover of PC Magazine.
  
  ## Models
  
  NEC ProSpeed :
  
  | Model no. | Processor | Clock speed (MHz) | Expansion slots | LCD technology | LCD resolution | Notes | Date |
  | - | - | - | - | - | - | - | - |
  | 286 | Intel 80C286 | 16 MHz | 3 | Monochrome passive | EGA, 640×400 | | October 1988 (1988-10) |
  | 386 | Intel 80386 | 16 MHz (0.5 w) | 3 | Monochrome passive | EGA, 640×400 | | October 1988 (1988-10) |
  | CSX | Intel 80386SX | 16 MHz | 3 | Color passive | VGA, 640×480 | Wall-powered only | September 1989 (1989-09) |
  | 386SX | Intel 80386SX | 16 MHz | 3 | Monochrome passive | VGA, 640×480 | | February 1990 (1990-02) |
  | SX/20 | Intel 80386SX | 20 MHz | 3 | Monochrome passive | VGA, 640×480 | | August 1990 (1990-08) |
  | 486SX/C | Intel 80486SX | 20 MHz | 3 | Color active | VGA, 640×480 | | June 1991 (1991-06) |
  | 486SX | Intel 80486SX | 20 MHz | 3 | Monochrome passive | VGA, 640×480 | | March 1992 (1992-03) |
  