Static Memory (SRAM) for Commodore VC-20, 128, 1571 and some 1541; Atari 7800 * Hitachi HM6116LP-3 * 4 kB main RAM in the VIC20 (2 pieces) * 2 kB RAM in the 1571 (1 piece) * 2 KNibbles Color RAM in the C128 (1 piece) * 2 kB RAM in some 1541 models (1 piece) (Illustration similar)