UpgradesModem Card - 1
| Modem Card |
| Before you begin, remove |
| the following: |
| • Main battery |
Modem Card | • I/O door |
• Top case | |
| Caution: The PowerBook |
| 165c/180c contains CMOS |
| devices that are very |
| susceptible to ESD damage. |
| Review the ESD precautions |
| in Bulletins/Safety. |