SONY VGN-K series (VGN-K20P), PCG-K series (PCG-K12P, PCG-K13, PCG-K14, PCG-K15, PCG-K17, PCG-K20P, PCG-K22P, PCG-K23, PCG-K25, PCG-K27, PCG-K33, PCG-K33P, PCG-K35, PCG-K37, PCG-K45, PCG-K47) dc power jack without cable, requires soldering of existing cable