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
| Introduced | October 21, 1991 |
| Discontinued | August 3, 1992 |
| Model Identifier | 25 |
| Model Number | M0511LL/A M1049LL/A M1227LL/A |
| Price | $2,900 |
| Colors | Grey |
| Weight | 6.8 Ibs. 3.084 KG |
| Dimensions | 2.25” 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
| Processor | Motorola 68030 |
| Processor Speed | 16 MHz |
| Architecture | 32-bit |
| Number of Cores | 1 |
| System Bus | 16 MHz |
| Cache | 0.5 KB L1 |
| Coprocessor | None |
Storage & Media
| Storage | 20 MB 40 MB 80 MB |
| Media | 1.44 MB floppy |
Memory
| Built-in Memory | 2 MB 4 MB |
| Maximum Memory | 8 MB |
| Memory Slots | 1 – PowerBook 1xx (70-pin connector) |
| Minimum Speed | 100 ns |
| ROM | Unknown |
| Interleaving Support | No |
Display
| Built-in Display | 9.8″ diagonal passive matrix reflective LCD |
| Resolutions | 640 x 400 |
Graphics
| Graphics Card | None |
| Graphics Memory | None |
| Display Connection | None |
Expansion
| Expansion Slots | Internal 20-pin connector for optional 2400-baud modem card |
| Hard Drive Interface | 30-pin SCSI |
| Bays | Unknown |
Software
| Original OS | System Software 7.0.1 |
| Maximum OS | Mac OS 7.6.1 |
| Firmware | Macintosh ROM |
Connections
| Wi-Fi | None |
| Ethernet | None |
| Modem | None |
| Bluetooth | None |
| ADB | 1 |
| Serial | 2 |
| SCSI | HDI-30 |
| Floppy Port | None |
| Audio In | 1 – 3.5-mm analog input jack 1 – Built-in microphone |
| Audio Out | 1 – 3.5-mm analog output jack 1 – Built-in speaker |
| Infrared | None |
| Display | None |
Keyboard and trackpad
| Keyboard | Built-in 64-key (U.S.) or 64-key (ISO) 3.0-mm travel keyboard |
| Trackpad | Built-in 25-mm trackball pointing device |
Power
| System Battery | 2.5-ampere-hour NiCad battery |
| Backup Battery | 3 V lithium |
| Maximum Continuous Power | 17 W |
| Line Voltage | Unknown |
| Power Adapter | Unknown |
