UpgradesModem Card - 1
| Modem Card |
| Before you begin, remove |
| the following: |
| • Main battery |
| • Top case |
Modem Card | Caution: The PowerBook |
| 150 contains CMOS devices |
| that are very susceptible to |
| ESD damage. Review the ESD |
| precautions in Bulletins/ |
| Safety. |