SDA2_MARK
DU0_DG1_MARK, LCDOUT9_MARK, DACK1_MARK, SDA2_MARK,
SDA2_MARK, SCL2_MARK,
SDA0_MARK, SDA1_MARK, SDA2_MARK,
SCL2_MARK, SDA2_MARK,
DDC3_MARK, DDC2_MARK, SDA2_MARK, SCL2_MARK,