Also have Tempest version (1580T). Pentium and pointing stick (initial model, 1995) or Pentium II and touchpad (1580 XGA, 1998). 3D view:http://vintage-laptops.com/en/grid-case-1580 3D view:http://vintage-laptops.com/en/grid-case-1580-tempest 3D view:https://vintage-laptops.com/en/grid-case-1580-XGA GRiDCASE 1590 GRiDCASE 1510 See also GRiDPad GRiD SE-T GRiD Lite References Grid Systems laptops