PowerBook 100 Service Source

K Service Source PowerBook 100 K Service Source Specifications PowerBook 100 Specifications Processor - 1 Processor CPU Addressing Motorola 68HC000, 16-bit CMOS microprocessor 15.6672 MHz 32-bit internal registers 24-bit address bus 16-bit data bus Specifications Memory - 2 Memory RAM 2 MB of 100 ns pseudostatic RAM (PSRAM) standard, expandable to 8 MB ROM 256K (two 128K by 8-bit devices); 150 ns access time; addressing supports up to 4 MB PRAM 128 bytes of parameter memory VRAM 32K of pseudostatic video display memory Clock/Calendar CMOS custom chip with long-life lithium battery Specifications Disk Storage - 3 Disk Storage Floppy Drive (Optional) 20 MB Hard Drive 40 MB Hard Drive External Macintosh HDI-20 1.4 MB drive 4.5 W startup power; 1.25 W random operation; 50 mW idle 20 MB formatted capacity Apple SCSI interface; 2.5 in. mechanism 23 msec average access time (maximum) 5.0 W startup power; 2.7 W random operation 40 MB formatted capacity Apple SCSI interface; 2.5 in. mechanism <19 msec average access time (maximum) 5.0 W startup power; 2.25–2.5 W random operation; 1.3–1.5 W idle Specifications I/O Interfaces - 4 I/O Interfaces Floppy Drive One HDI-20 floppy drive port for external 1.4 MB drive SCSI One HDI-30 SCSI port; 1.5 MB/sec. transfer rate Supports five devices maximum Apple Desktop Bus One Apple Desktop Bus (ADB) port; low-speed serial interface Serial Two RS-422 ports, one external and one internal 230.4 Kbaud minimum Asynchronous, synchronous, and AppleTalk protocols supported Internal connector supports Macintosh PowerBook Fax/Data modem Specifications Sound I/O Interfaces - 5 One sound output port for external audio amplifier Specifications I/O Devices - 6 I/O Devices Keyboard Built-in keyboard; ADB interface Dimensions: 10.6 in. length, 3.5 in. width, .5 in. depth Pitch: .73 in. horizontal; .71 in. vertical Trackball Dual-button trackball; 25 mm diameter; ADB interface Mouse (Optional) Low-power mouse; ADB interface Floppy Drive (Optional) External Macintosh HDI-20 1.4 MB floppy drive Specifications Sound and Video - 7 Sound and Video Sound Video Display Apple Sound Chip; one- or four-voice mono (one or two voices in stereo) with 4-bit digital-to-analog conversion using 22-kHz sampling rate 9 in. (229 mm) diagonal screen Film-compensated Super Twist Nematic (FSTN), backlit flatpanel display 640 by 400 pixels; 75 dpi Specifications Electrical - 8 Electrical Main Battery Backup Batteries Sealed lead-acid battery (7 V) 2.5 hrs. maximum capacity Three 3.5 V lithium cells Industry-standard CR-2430 batteries 110–220 V Frequency 50–60 Hz ADB Power Requirements Maximum current draw for all ADB devices is 50 mA (maximum of three ADB devices recommended) Specifications Power Adapter Sound Electrical - 9 Input voltage: 85–270 VAC (100/240 nominal); 48–62 Hz (50/ 60 nominal) Output voltage: 7.0–7.6 V (7.5 nominal); 5 mA–2 A (1.5 nominal) One sound output port for e…