Difference between revisions of "Macintosh PowerBook 150"

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Replacement for the [[PowerBook 145b]], the PowerBook 150 not only increased performance fpr the same but came with a highre resolution screen, improved battery life, an IDE hard drive and a far bigger memory ceiling.
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Replacement for the [[Macintosh PowerBook 145|PowerBook 145b]], the PowerBook 150 not only increased performance fpr the same but came with a highre resolution screen, improved battery life, an IDE hard drive and a far bigger memory ceiling.
  
 
== History ==
 
== History ==

Revision as of 03:33, 21 August 2007

Macintosh PowerBook 150
CPU: 33 MHz 68030
Bus:
ROM:
RAM: 70ns Duo RAM, 4 MB standard (0 onboard plus 1 slots), 40 MB max
Cache:
Hard drive: 80-250 MB IDE
Slots:
Form factor: laptop
Video:
OS: (7.1.1-7.6.1)
Available: July 18, 1994-October 14, 1995
MSRP: US$1300


Replacement for the PowerBook 145b, the PowerBook 150 not only increased performance fpr the same but came with a highre resolution screen, improved battery life, an IDE hard drive and a far bigger memory ceiling.

History

The launch of the PowerBook 140 and its replacements (in the guise of the PowerBook 145 and then the PowerBook 145b) had always been considered the 'economy' machines in the PowerBook 1XX series. Offering decent performance at a decent price (rather than high end performance at a high-end price), this 'sub-series' had certainly grown but it was, in many respects, little more than a couple of increases in raw processor speed. The PowerBook 150, although still the last 'economy' machine inteh 1XX series, certainly did more than just boost processor speed though.

The Motorola 68030, stalwart of the PowerBook 1XX series, might have been all present and correct in the new 150 but Apple decided to run it at a very healthy 33MHz. When priced the same as the older (and slower) PowerBook 145b, this might have seemed like a bargain to buyers but the 150 had far more up its sleeve, both good and bad. The memory ceiling of 8Mb that had been in place ever since the PowerBook 140 had been launched was well and truly smashed and the 150 used the same memory mechanism used in the all new Duo series. It may have meant that memory upgrades from the earlier 1XX machines wouldn't work but the Duo's memory allowed the 150 to be expanded all the way up to 40Mb - an amount that would allow most users to do pretty much anything they could dream of.

Elsewhere the 640x400 pixel screen was upgraded to a far more 'standard' 640x480 (even if the screen itself was reduced from 9.8" to 9.5")(this also had the benefit of reducing the machine's overall weight) which used an unusual 2 bit display depth (allowing it to display 4 shades of gray). To the user this not only meant more desktop space but helped to reduce battery drain, allowing the 150 to run about 30 minutes longer than it's predecessors.

It wasn't all upgrades and good news though. In an effort to cut costs, the 150 became the first PowerBook to use an internal IDE hard drive(as opposed to the usual internal SCSI hard drive). It meant lower cost and higher capacity but it did have a slight impact on performance and reliability. Elsewhere the cost-cutting was more tangible as the 150 shipped without an ADB connection (the only PowerBook 1XX machine not to have one) and the display was an especially cheap and nasty passive matrix affair. While the display was nasty but usable, the lack of ADB port meant that many peripherals that used the socket for power (e.g. ethernet adaptors rather than just mice and keyboards) simply couldn't be used at all.

Full Specifications

  • CPU: 33MHz Motorola 68030
  • FPU: None
  • ROM: 1Mb
  • RAM: 4Mb - 40Mb
  • Display: Internal 9.5" b&w passive-matrix LCD
  • Resolution: 640x480 pixels (2 bit)
  • Audio: 8-bit 22KHz stereo
  • Floppy: 1x1.44Mb
  • Hard drive: 80-250Mb
  • Drive bay(s): 1x2.5" third-height
  • Size (HxWxD): 2.25" x 11.25" x 9.3"
  • Weight: 5.8 lb
  • Gestalt ID: 115
  • Addressing: 32 bit
  • Battery: NiCad, 2.5 Ah
  • Expansion slots: Proprietory modem slot
  • Ports: 1xSerial, SCSI(HDI-30), Audio(out)
  • Introduced: 18/07/1994
  • Retired: 14/10/1995
  • Cost: $1300
  • System: Mac OS 7.1.1 - 7.6.1
  • Code name(s): Jedi
  • Upgrade path: None