apple quadra.centris 650 free download

File name quadra.centris_650.pdf

K Service Source Centris 650/Quadra 650 K Service Source Basics Centris 650/Quadra 650 Basics Overview - 1 Overview This manual includes complete repair procedures for the Macintosh Centris 650/Quadra 650 shown at left. Figure: Macintosh Centris 650/Quadra 650 K Service Source Specifications Centris 650/Quadra 650 Specifications Processors - 1 Processors Centris 650 Motorola 68040 25 MHz Built-in memory management unit (MMU) Quadra 650 Motorola 68040 33 MHz Built-in memory management unit (MMU) Coprocessor Optional floating-point unit (FPU) Addressing 32-bit internal registers 32-bit address bus 32-bit data bus Specifications Memory - 2 Memory RAM 4 or 8 MB RAM, expandable to 132 MB (72-pin SIMM) ROM 1 MB PRAM 256 bytes nonvolatile parameter memory VRAM 512K, expandable to 1 MB Clock/calendar CMOS custom chip with long-life lithium battery Specifications Disk Storage - 3 Disk Storage Floppy Drive 1.4 MB Apple SuperDrive Hard Drive Internal Apple SCSI hard drive 80 MB to 500 MB CD-ROM Optional internal 5.25-in. CD-ROM drive Specifications I/O Interfaces - 4 I/O Interfaces SCSI One SCSI port; DB-25 connector Supports a maximum of six external devices (internal SCSI devices include the computer, which is always device 7) Apple Desktop Bus Two Apple Desktop Bus (ADB) ports; mini-Din-4 connectors Low-speed synchronous serial interface Serial Two RS-232/RS-422 serial ports; mini DIN-8 connectors 230.4 Kbps maximum 0.92 Mbps maximum, clocked externally NuBus Three NuBus slots Specifications I/O Interfaces - 5 Expansion Slot One inline processor-direct slot Sound One stereo-capable output port One monaural input port Video