C H A P T E R 1
Hardware
■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.