0: Buffer Bypass 1: Buffer use LDONB(D3): LASER,ON/OFF control pin 0:LASER OFF 1:LASER ON 1: use AGC1_HOLD: AGC1 peaking protection selection 0: unuse SPEED_SEL (D1 - D0) : speed selection D1 0 D0 0 MODE DVD CD SPEED_SEL 1X 1X 2X 1 0 1 1...