Default: 0x10000000 Type: integer p->z3autoconfig_start = 0x10000000; Note sure if/when this option is used, nowadays. It looks like it is more or less ignored / overwritten in mman.cpp. See: [uae_z3mem_size], [uae_z3mem2_size], [uae_z3mapping] See: [uae_force_0x10000000_z3]