On the mainboard all the address-lines for the block's #Axxx and #Exxx should be brought "outside the bus".
On the bankswitching page the "recipe" is given.
Of course soldering should be done very carefully.

Besides you see a memory map from the "schakelkaart".

For a an efficient use of the card, it is unavoidable to modify the F-Rom and make an adjustment around IC23 to prepare it for being controlled by a software routine.

The CX_system see AN. 1985 nr.4 page 73/8

The Branquart_system zie AN. 1985 nr.4 page 58/72

The diagram is printed in AN1984 nr.1 page 50