Apple 165c manual Introduction, Features

C H A P T E R 1

Hardware

This chapter describes the major features of the Macintosh PowerBook 165c computer, emphasizing the similarities and differences between it and other Macintosh PowerBook computers.

IMPORTANT

Only the major differences between the PowerBook 165c and the PowerBook 160/180 are described in detail here. For a complete understanding of the PowerBook 165c computer, refer to the Macintosh PowerBook 160 and Macintosh PowerBook 180 Developer Note. ▲

Introduction

The Macintosh PowerBook 165c brings color to the Macintosh PowerBook family of notebook computers. In addition to its vivid color display, the Macintosh PowerBook 165c offers 33 MHz performance, video output, more room for memory expansion cards, and a distinctive new exterior design.

Features

The major features of the Macintosh PowerBook 165c computer are:

■Microprocessor: Motorola 68030 running at 33 MHz. A 16 MHz power saving mode can be selected by the user.

■Coprocessor: Motorola 68882 FPU running at 33 MHz.

■Read-only memory (ROM): 1 MB.

■Random-access memory (RAM): 4 MB of pseudostatic RAM (PSRAM).

■RAM expansion: a RAM expansion slot accommodates RAM expansion cards of up to 10 MB, for a total of 14 MB of RAM. The RAM expansion slot is compatible with cards designed for earlier Macintosh PowerBook models, while providing more room for larger cards.

■Liquid crystal display (LCD): 8-bit color video circuitry displays up to 256 colors on the built-in 640 x 400 pixel film supertwist nematic (FSTN) LCD. The display is backlit by two cold cathode fluorescent lamps.

■Video output: 8-bit color video output circuitry displays up to 256 colors on all Apple color monitors up to 16 inches in size. The Apple Portrait monitor is also supported at up to 16 shades of gray.

The video output circuitry is identical to that of the PowerBook 160 and PowerBook 180, supporting both dual mode and video mirror mode. In dual mode, the LCD and external monitor are independent. In video mirror mode, the image on the external monitor is identical to what is displayed on the LCD.

2Introduction