Macintosh Centris 650 Technical Specifications Copyright 1993, Apple Computer, Inc. Technical Specifications Microprocessor > MC68040, running at 25-MHz clock speed; 32-bit data bus > Optional, integrated 25-MHz floating point unit (FPU) > Integral Paged Memory Management Unit (PMMU), and 8K-cache architecture Memory > Comes with 4 MB of RAM on the logic board > Expandable to 132 MB of RAM by adding SIMMs to four 72-pin slots > Includes RAM disk software Disk drives > One built-in Apple SuperDrive 1.4-MB floppy disk drive > One internal 80-, 230-, or 500-MB hard disk > Accommadates one 5.25-in., half-height device, such as the AppleCD 300i internal CD-ROM drive Video display > Supports all Apple displays > Works with a wide range of 3rd party displays including some 19-in., VGA, SVGA, NTSC, and PAL monitors Video RAM (VRAM) > 512K standard supports: Q 32,768 colors on the Macintosh 12-inch RGB Display Q 256 colors on the AppleColor High-Resolution RGB Display (13"), Macintosh Color Display (14"), and Macintosh 16-inch Color Display Q 256 shades of gray on the Macintosh 12-inch Monochrome Display Q 16 shades of gray on the Macintosh Portrait Display (15") Q 16 colors on the Macintosh 21-inch Color Display > 1,024K option supports: Q 32,768 colors on the Macintosh 12-inch RGB Display, AppleColor High-Resolution RGB Display (13"), Macintosh Color Display (14"), and Macintosh 16-inch Color Display Q 256 shades of gray on the Macintosh 12-inch Monochrome Display and Macintosh Portrait Display (15") Q 256 colors on the Macintosh 21-inch Color Display Interfaces > Three internal NuBus expansion slots > One 68040 processor-direct slot > SCSI interface for connecting up to six external devices > AAUI-15 Ethernet connector (optional) > Two serial (RS-232/RS-422) ports > One video port for color and monochrome displays of various sizes and resolutions > One sound-output port for stereo playback from CDs and stereo playback of Macintosh sound > One monaural sound-input port > Two Apple Desktop Bus (ADB) ports for a keyboard, mouse, and other devices Sound generator > Custom integrated circuit that drives a stereo miniature headphone jack (22 kHz sample rate) Keyboard and mouse > Works with several ADB keyboards > Apple Desktop Bus Mouse II Clock/calendar > Custom integrated circuit with long-life lithium battery Disability access > CloseView, Easy Access, and visible-beep soft-ware are built in. These and third-party options provide alternative input and output devices. Power requirements > Line voltage: 100 to 240 V AC, RMS, automatically configured > Frequency: 50 to 60 Hz > Power: 112 W maximum, not including display power ADB power requirements > Maximum current draw for all ADB devices: 500 mA (three ADB devices maximum recommended) > Mouse draws 10 mA > Keyboard draws 25 to 80 mA, depending on the model used Size and weight Main unit: > Height: 6.0 in. (15.2 cm) > Width: 13.0 in. (33.0 cm) > Depth: 16.5 in. (41.9 cm) > Weight*: 25 lb. (11.3 kg) Mouse: > Height: 1.3 in. (3.3 cm) > Width: 2.4 in. (6.2 cm) > Depth: 4.2 in. (10.7 cm) > Weight: 4.0 oz. (0.10 kg) * Weight will vary based on internal devices installed Operating environment > Operating temperature: 50!F to 104!F (10!C to 40!C) > Storage temperature: P40!F to 116.6!F (P40!C to 47!C) > Relative humidity: 5% to 95% noncondensing > Maximum altitude: 10,000 ft. (3,048 m) Ordering Information Macintosh Centris 650 4D/0.5V/80 w/o FPU Order No. M1207LL/A > Macintosh Centris 650 computer with 4 MB of RAM, 512K of video RAM for 256-color capability, 80-MB internal hard disk drive, and 1.4-MB internal Apple SuperDrive > Mouse > System software with complete setup, learning, and reference documentation > Limited warranty statement Macintosh Centris 650 8D/0.5V/230/Ethernet/FPU Order No. M1337LL/A > Macintosh Centris 650 computer with 8 MB of RAM, 512K of video RAM for 256-color capability, 230-MB internal hard disk drive, 1.4-MB internal Apple SuperDrive, Ethernet, and floating point unit (FPU) > All software and accessories provided with the Macintosh Centris 650 4D/0.5V/80 Macintosh Centris 650 8D/1V/230/CD/Ethernet/FPU Order No. M1279LL/A > Macintosh Centris 650 computer with 8 MB of RAM, 1 MB of video RAM for 32,768-color capability, 230-MB internal hard disk drive, AppleCD 300i CD-ROM drive, 1.4-MB internal Apple SuperDrive, Ethernet, and floating point unit (FPU) > All software and accessories provided with the Macintosh Centris 650 4D/0.5V/80 New Apple Products 9-Feb-93 .