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CHAPTER 1
Hardware
Features
3
■
Floppy disk: one internal 1.4 MB Apple SuperDrive
with Super Woz Integrated
Machine (SWIM) interface.
■
Hard disk: one internal 2.5-inch SCSI hard disk drive. Disk capacities of 80 and 120 MB
are offered.
■
SCSI disk mode: by connecting an HDI-30 SCSI Disk Adapter cable, users can access
the PowerBook’s internal hard disk from another Macintosh.
■
I/O (input/output): one HDI-30 connector for external SCSI devices, one 4-pin
mini-DIN ADB port, two 8-pin mini-DIN serial ports, audio input and output jacks,
and a custom video output connector with adapter for attaching standard Apple video
cables.
■
Sound: enhanced Apple Sound Chip (ASC) audio circuitry provides sound input and
output through the built-in microphone and speaker. Stereo sound output can be
heard through the headphone jack.
■
Keyboard: built-in keyboard with integral 30-mm trackball.
■
Modem: internal 20-pin connector for an optional modem card. This slot is physically
and electrically compatible with modems designed for the PowerBook 160/180.
■
Battery: a 2.9 ampere-hour NiCad rechargeable battery is included. A 3 V lithium
battery provides backup power for the real-time clock and parameter RAM when the
main battery is removed.
■
Power supply: a new 24 W external wall-mounted recharger/power adapter is
included.
■
Security connector: a connector on the back panel allows users to attach a security
device.
■
Weight: 7 pounds.
■
Size: 11.3 inches wide, 9.3 inches deep, and 2.3 inches high.
The block diagram shown in Figure 1-1 illustrates the major hardware components of the
PowerBook 165c computer.