Memory configuration for the M300: Memory Size SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 1MB OFF OFF OFF OFF ON ON OFF ON 2MB OFF OFF ON OFF ON ON OFF ON 4MB* ON OFF OFF OFF OFF OFF OFF ON 5MB* ON OFF ON ON OFF ON OFF ON 6MB OFF ON ON OFF ON ON OFF ON *These combinations only valid when using Phoenix BIOS When used in conjunction with the Micronics 4M-08 piggyback memory card: Memory Size SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 10/14MB ON ON ON OFF ON ON OFF ON