-- card: 49320 from stack: in -- bmap block id: 50892 -- flags: 0000 -- background id: 6938 -- name: -- part contents for background part 20 ----- text ----- The AppleCD SC drive offers Macintosh owners and Apple II computer owners a convenient and cost-effective way to access and explore tremendous amounts of information. Each 12-centimeter CD-ROM disc can hold over 550 megabytes of information — the equivalent of seven hundred 800K floppy disks, or more than 270,000 typewritten pages. SPECIFICATIONS CABLES NEEDED • M0206 and M0209, if first external device • M0207 and M0209, if second SCSI device or beyond Playback Medium • 12-centimeter optical disc installed in a CD-Caddy (any CD-ROM or audio compact disc is compatible) CAPACITY • Data Capacity Mode 1: 656 megabytes • Data Capacity Mode 2: 748 megabytes • Recording Surfaces: 1 • Data Block Mode 1: 2048 bytes • Data Block Mode 2: 2,336 bytes • Blocks Per Disc: more than 270,000 AUDIO PLAYBACK • Playing Time: more than 1 hour • Frequency Response: 20 to 20,000 hertz CHARACTERISTICS • Access Time Average: less than 600 milliseconds (500 ms, typical) • Access Time Maximum: less than 1.2 seconds • Data Stream Rate Mode 1: 150K/second • Data Stream Rate Mode 2: 171K/second • Block Rate: 75 block/second • SCSI Bus Transfer Rate: 800K/second • Rotational Speed: 230 to 530 RPM (variable) • Startup Time: 5 seconds • Spin-down Time: 2 seconds ELECTRICAL REQUIRMENTS • Line Voltage: 85 to 270 VAC • Frequency: 47 to 64 hertz • Maximum Power: 40 watts ENVIRONMENTAL • Operating Temperature: 50° to 104°F • Storage Temperature: -22° to 122°F • Operating Humidity: 10% to 90% • Operating Altitude: -1,000 to 15,000 feet • Storage Altitude: -1,000 to 40,000 feet SIZE AND WEIGHT • Height: 3.31 inches (84 mm) • Width: 9.69 inches (246 mm) • Depth: 10.47 inches (266 mm) • Weight: 8.8.lbs (4kg) -- part contents for background part 22 ----- text ----- Macintosh Portable Technical Tour -- part contents for background part 33 ----- text ----- AppleCD SC