Sega Master System / Mark III / Game Gear
Sega8bit & SMS Power! 2013 Event - 10th August 11 weeks and 5 days from now
Cut the trace from the NTSC jumper leading to Pin 57 on the 315-5214 IC. Using a SPDT switch, solder a wire to the common (middle) of the switch to Pin 57 on the 315-5214 IC. On one of the unused legs of the switch, solder a wire to the PAL jumper pad.