Separating The System Board And I/O Board - NEC Versa 2400 Series Service Manual

4-10 Field Service Guidelines
4. Since the system board is the main unit of the notebook, all of the other boards
are connected to this electronic module either by connector or by cable. Special
care should be taken when removing this module, so as not to damage any of
these connectors and/or cables.

Separating the System Board and I/O Board

The system board is attached directly to the I/O board. The following procedure should be
taken to separate the two boards:
1. Turn off the computer. Follow all disassembly procedures mentioned from the
start of this section.
Remove the four medium spacers located along the top and left side edge and the
2.
one screw located at the center bottom of the system board.
Slowly separate the I/O Board and system board, being cautious about the con-
3.
nectors coupling the two boards together.
4. To reattach the I/O Board and system board, reverse the separation procedures
mentioned above.
Figure 4-4 The System Board and I/O Boards