Bio-Rad CHEF Mapper® XA System - Manual (Page 5)

5. Grasp and pull the second board from the right (Analog Interface Board) straight out of
the card cage.
Lay the card (component side down) on a clean surface. Likewise, grasp and pull the third
board from the right (Electrode Driver Board) straight out of the card cage, so you will be
able to get your hands into the cage later. Lay this card (component side down) on a clean
surface. Make note of which board was in the third and second positions so you can replace
the boards in the correct locations.
6. Note the blue and white connectors at the back on the right-most board (Input/Output
Board).
3
White
connector
Blue
connector