![](http://pdfasset.owneriq.net/6/f6/6f625eb6-6344-4951-af4f-4acb9513ebb8/6f625eb6-6344-4951-af4f-4acb9513ebb8-bgc8.png)
Upgrades Modem - 3
Caution:
The PowerBook
Duo contains CMOS devices
that are very susceptible to
ESD damage. Review the ESD
precautions in Bulletins/
Safety.
Note:
The modem is an
option for all systems in the
PowerBook Duo series.
1 Remove the modem cap
from the rear cover.
2 Disconnect the on/off
board.
Modem
Cap
On/Off Board