Macintosh PowerBook 140
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Macintosh PowerBook 140


The Apple Macintosh PowerBook 140 is a notebook that was designed, manufactured, and sold by Apple from 1991 to 1992 as part of the Macintosh PowerBook series of Macintosh computers. The computer has been introduced on October 21, 1991 and its price started at $2900. The new PowerBook features a 16 MHz Motorola 68030 processor, 9.8″ monochrome LCD display, 2 MB or 4 MB of RAM, 20 MB / 40 MB or 80 MB hard drive, and 1.44 MB floppy drive. This Macintosh has been discontinued on August 3, 1992.

Today Macintosh PowerBook 140 is 29 years old!

Macintosh PowerBook 140 – General information

Overview

IntroducedOctober 21, 1991
DiscontinuedAugust 3, 1992
Model Identifier25
Model NumberM0511LL/A
M1049LL/A
M1227LL/A
Price$2,900
ColorsGrey
Weight6.8 Ibs.
3.084 KG
Dimensions2.25” H x 11.25” W x 9.3” D
5.71 cm H x 28.57 cm W x 23.62 cm D

Hardware

Processor

ProcessorMotorola 68030
Processor Speed16 MHz
Architecture32-bit
Number of Cores1
System Bus16 MHz
Cache0.5 KB L1
CoprocessorNone

Storage & Media

Storage20 MB
40 MB
80 MB
Media1.44 MB floppy

Memory

Built-in Memory2 MB
4 MB
Maximum Memory8 MB
Memory Slots1 – PowerBook 1xx (70-pin connector)
Minimum Speed100 ns
ROMUnknown
Interleaving SupportNo

Display

Built-in Display9.8″ diagonal passive matrix reflective LCD
Resolutions640 x 400

Graphics

Graphics CardNone
Graphics MemoryNone
Display ConnectionNone

Expansion

Expansion SlotsInternal 20-pin connector for optional 2400-baud modem card
Hard Drive Interface30-pin SCSI
BaysUnknown

Software

Original OSSystem Software 7.0.1
Maximum OSMac OS 7.6.1
FirmwareMacintosh ROM

Connections

Wi-FiNone
EthernetNone
ModemNone
BluetoothNone
ADB1
Serial2
SCSIHDI-30
Floppy PortNone
Audio In1 – 3.5-mm analog input jack
1 – Built-in microphone
Audio Out1 – 3.5-mm analog output jack
1 – Built-in speaker
InfraredNone
DisplayNone

Keyboard and trackpad

KeyboardBuilt-in 64-key (U.S.) or 64-key (ISO) 3.0-mm travel keyboard
TrackpadBuilt-in 25-mm trackball pointing device

Power

System Battery2.5-ampere-hour NiCad battery
Backup Battery3 V lithium
Maximum Continuous Power17 W
Line VoltageUnknown
Power AdapterUnknown

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