Apple PowerBook G3 User Manual

Page 60

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Chapter 3

Where to add cable terminators when connecting two or more SCSI devices

Using Your Macintosh PowerBook as a Hard Disk

The Apple HDI-30 SCSI Disk Adapter lets you connect your Macintosh PowerBook to another
computer as a hard disk. The PowerBook internal drive appears on the desktop of the other
computer as a hard disk icon, and you can transfer information between the computers by
dragging files. This feature is called

SCSI disk mode.

The Apple HDI-30 SCSI Disk Adapter cable is dark gray, is about 10 inches long, and has 30
pins.

Connecting Your Computer as a Hard Disk

Before making any connections, you need to assign a unique SCSI ID number to the
PowerBook. (The ID numbers allow the computer to communicate with several connected
SCSI devices.)

1

Set up your system software to use your PowerBook in SCSI disk mode.

For information and instructions, see the online help, available in the Help menu.

If you are connecting the PowerBook to an existing SCSI chain, make sure to give it an ID
number different from those of the other devices. (Many devices include an ID number
indicator on the back panel.)

2

Shut down the PowerBook and plug in the power adapter.

SCSI peripheral interface cables

HDI-30 SCSI
system cable

Terminator
(If this SCSI device has an
internal terminator, omit
this external terminator.)

Important

Your Macintosh PowerBook hard disk uses Mac OS Extended format (also

known as HFS Plus). In order to use your PowerBook in SCSI disk mode, the computer you
are connecting to must be using Mac OS 8.1 or later. If the computer is using an earlier
version of system software, you will not be able to see the files on your PowerBook hard
disk.

Important

Turn off password protection before using SCSI disk mode. For instructions,

see the online help, available in the Help menu.

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