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Oldmacs
23rd June 2012, 12:53 PM
The Macintosh PowerBook 140
The Powerbook 140 was introduced in October of 1991. It served as the mid range model for Apples orginal Powerbook sereies, between the low end Powerbook 100 and the High end 170. It was intended to replace the Macintosh Portable. The 140 was very similar to the 170. It featured the same case design and internal floppy drive. However to make it a mid range model and cheaper, it included a passive matrix screen, which was not as sharp or as nice a display as the one in the 170. It also featured a slower processor and no internal modem. The 140 was replaced with the spec bumped Powerbook 145 in August of 1992.
http://oldcomputers.net/pics/powerbook-right.jpg

Full Specs:

Family: PowerBook
Codename: Tim LC, Tim Lite, Leary, Replacements
Gestalt ID: 25
Minimum OS: 7.0.1
Maximum OS: 7.6.1
Introduced: October 1991
Terminated: August 1992

Processor
CPU: Motorola MC68030
CPU Speed: 16 MHz
FPU: none
Bus Speed: 16 MHz
Register Width: 32-bit
Data Bus Width: 32-bit
Address Bus Width: 32-bit
ROM: 1 MB
RAM Type: unique
Minimum RAM Speed: 100 ns
Onboard RAM: 2 MB
RAM slots: 1
Maximum RAM: 8 MB
Level 1 Cache: 256 bytes data, 256 bytes instruction
Expansion Slots: modem

Video
Screen: Passive Matrix
Max Resolution: 1 bit 640x400

Storage
Hard Drive: 40-80 MB
Floppy Drive: 1.4 MB SuperDrive

Input/Output
ADB: 1
Serial: 2 Mini DIN-8
SCSI: HDI-30
Audio Out: mono 8 bit mini
Audio In: mono 8 bit mini
Speaker: mono

Miscellaneous
Power: 17 Watts
Dimensions: 2.25" H x 11.25" W x 9.3" D
Weight: 6.8 lbs.

As with last week,
If anyone had this model, please post your memories and if anyone would like to correct my infomation, please again do so.