Apple Power Macintosh 7300 series - PC Compatibility Card - Manual (Page 95)

Removing the PC Compatibility Card hardware
Opening the computer, expansion card cover, and chassis
For detailed instructions on opening your computer, expansion card cover,
and chassis, including important precautions, see Appendix B.
Disconnecting the cables
1 Unplug the audio cables from the PC Compatibility Card, the Macintosh logic board, and
the CD-ROM drive.
Be sure to pull the plugs, not the cables.
Remove the audio cables from the card, the logic board, and the CD-ROM drive.
95 Removing the PC Compatibility Card From Your Power Macintosh 7300 Computer