Without details of who made the board you may be struggling.
A quick Google image search found two very very different pin outs for the same device - one using a 30 pin connector, one a 20 and one using a 16 pin one
but even the 16 pin use may be different to yours...
Often selector pads are connected by zero ohm resistors UNLESS they perform a pull-up or pull-down function. Look carefully to see if the have a '0' one them - this denotes a zero ohm resistor. You can short the pads, use a small jumper wire or any zero ohm resistor of the correct size.