Apple PC Serial and Parallel Card - Manual (Page 9)

12 Reinsert the screws you removed earlier to secure both cards.
13 Tuck the audio cables as shown. If you have a 12-inch PC Compatibility Card, tuck the
peripheral flex cable down as shown.
If you are installing the PC Compatibility Card for the first time, return to the
PC Compatibility Card user’s manual now and complete the rest of the
instructions for PC Compatibility Card installation.
Tuck the flex cable behind the video DRAM DIMM. Video DRAM DIMM
The audio cables
connected to the
PC Compatibility Card should not
extend over the bottom edge of the computer.
Make sure the
audio cables don’t
touch the heat sink.
9 Installing the Card in a Power Macintosh 4400 or 7220