apple macintosh se free download

File name macintosh_se.pdf

K Service Source Macintosh SE K Service Source Basics Macintosh SE Basics Overview - 1 Overview This manual contains complete repair procedures for the Macintosh SE, shown at left. Figure: Macintosh SE K Service Source Specifications Macintosh SE Specifications Processor - 1 Processor CPU Motorola 68000 microprocessor 7.83 MHz 32-bit architecture Specifications Memory - 2 Memory RAM 1 or 2 MB, expandable to 4 MB ROM 256K PRAM 256 bytes of memory CMOS custom chip with seven-year lithium battery Specifications Disk Storage - 3 Disk Storage Floppy Drive 1.4 MB floppy drive Optional second internal and external floppy drive Hard Drive Optional 20 or 40 MB hard drive Optional external hard drive Specifications I/O Interfaces - 4 I/O Interfaces Expansion Macintosh SE expansion slot; uses a 96-pin Euro-DIN connector SCSI Uses a 50-pin connector (internal) and a DB-25 connector (external) Apple Desktop Bus Two Apple Desktop Bus (ADB) connectors for communication with keyboard, mouse, and other input devices Serial Two RS-232/RS-422 serial ports; 230.4 Kbaud maximum; mini DIN-8 connectors Sound For external audio amplifier (standard miniature) Specifications I/O Devices - 5 I/O Devices Keyboards Apple Keyboard: 81 keys, including numeric keypad and cursor keys Apple Extended Keyboard: 105 keys, including 15 function keys, separate cursor pad, and 10-key numeric keypad Mouse Mechanical tracking; optical shaft at 3.94 pulses per mm (100 pulses per in.) of travel; ADB connector Specifications Sound and Video - 6 Sound and Video Sound Generator Four-voice sound with 8-bit digital/analog conversion using 22- kHz sampling rate Video Display 9-in. (diagonal) screen; high-resolution, 512 by 342 pixel,