PD67_EXT_INDEX
i365_set(sockets, PD67_EXT_INDEX, 0xe5);
if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5)
indirect_write(t, PD67_EXT_INDEX, PD67_EXTERN_DATA);
indirect_write(socket, PD67_EXT_INDEX, PD67_EXT_CTL_1);
indirect_write(socket, PD67_EXT_INDEX, PD67_MEM_PAGE(map));