Apple PowerBook (Duo 270C) - Manual (Page 232)

The drawing shows one of many possible PowerBook Duo
Systems. The Duo Dock can accommodate any Macintosh-
compatible monitor, keyboard, mouse, printer, hard disk drive,
CD-ROM drive, scanner, or other device.
The following sections include information about
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the features of the Duo Dock
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how to set it up
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how to use it with the PowerBook Duo
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how to install a NuBus card in the Duo Dock
Duo Dock features
The Duo Dock comes with many features built in, and several
optional features are also available. These features include:
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an internal 1.4 MB floppy disk drive
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an optional internal SCSI hard disk drive (any available
capacity that meets Apple’s specifications; up to 1" high)
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standard ports including SCSI (with an HDI-30 connector),
video, printer, modem, Apple Desktop Bus (ADB), sound in,
and sound out
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a separate mouse and microphone
Eject button
Manual eject hole
Key lock
216 Chapter 13: Building a PowerBook Duo System