Service manual

Nacho Family Service Manual 48
I/O ECA
1 Unplug the I/O-controller cable from its ZIF connector on the I/O ECA. See step 2 above for details.
2 Unplug the two exhaust fan cables and the IR cable from the I/O ECA.
3 Use a T10 driver to remove the two M3x8 machine screws that fasten the board to the chassis.
4 If you are replacing the I/O ECA or the I/O EMI shield, separate the two parts. The shield fastens to the
board with two jack screws.
Assembly Notes
♦ When you install the I/O ECA, make sure to align the pin in the chassis with the matching hold in the ECA.
♦ Torque the two M3x8 screws to 6 in-lbs (.67 Nm).