Apple PowerBook (Duo 270C) - Manual (Page 266)

Modem
If you want to use an external modem with your PowerBook Duo
System, connect the modem cable to the Duo MiniDock port
marked with this icon: W
If your computer has an internal modem, select either Internal or
External Modem in the PowerBook control panel before opening
your telecommunications program.
If you have system problems
If your docked computer crashes (the screen goes blank or fills
with gibberish) or freezes (the pointer doesn’t move and input
devices don’t work), press the power button on the back of the
minidock.
Pressing the power button erases any information you did not
save, but it allows you to restart the system and continue working.
Removing the PowerBook Duo
from the Duo MiniDock
n
No SCSI devices or external monitor—use Sleep: If you
are not using any SCSI equipment or an external monitor, you
can disconnect the PowerBook while the computer is in sleep.
n
SCSI devices and/or monitor—use Shut Down: If you are
using SCSI equipment or an external monitor, you must shut
down the PowerBook and turn off any SCSI devices before
disconnecting.
S Important: Don’t attempt to disconnect anything if the
PowerBook is still on. The computer will turn itself off, and
you will lose information you did not save.
S
Once the computer is in sleep or shut down, follow these steps:
1. Pull up on the lever at the top of the Duo MiniDock.
You may need to pull up twice to release the lever completely.
2. Gently pull the PowerBook away from the minidock.
If you always plan to use your connected devices in the same
location—at your desk, for example—you can leave everything in
place and simply disconnect the PowerBook Duo from the
minidock when you want to move the computer somewhere else.
Power button
250 Chapter 13: Building a PowerBook Duo System