Apple PC Compatibility Card - Manual (Page 229)

IMPORTANT For detailed instructions on opening your computer, including
important precautions, see the chapter earlier in this manual on installing the
PC Compatibility Card in your computer model.
Disconnecting the cables
1 Unplug the audio cables from the PC Compatibility Card, the logic board, and the
CD-ROM drive.
Be sure to pull the plugs, not the cables.
229
Appendix A
Removing Your PC Compatibility Card