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PowerBook G3/250 Processor Upgrade And Discussion Page - Performance Of Latest G3 Processor Upgrades

PowerBook G3/250 Facts at a Glance

  • Processor: G3, 250MHz
  • Bus Speed: 83 MHz
  • L2 Cache: 1 MB @ 125MHz
  • Installed RAM: 32MB (Max 192)
  • RAM Slots: 2, SO-DIMM
  • Min RAM Speed: 10 ns
  • Installed VRAM: 2MB (Max 4 MB)
  • Drive: 2 GB or 4 GB IDE
  • CD Drive: 20X (removable)
  • Network: On-board 10baseT Ethernet
  • Slots: 2 PC - two type II or one type III
  • Expansion Bays: 2
  • Supported MacOS: 8.0 - 9.x
  • Screen: 12.1" color dual-scan passive matrix (800x600) or 13.3" active matrix (1024x768) or or a 14.1 active matrix (1024x768)
  • Battery Life: Up to 7 hours in dual-battery mode (2.5 to 3 hours for single battery)
  • Weight: 7.2 - 7.8
  • Introduced: 5/98
  • Discontinued: - 9/98
  • Original Price: $3000 - $4,400
  • Notes:

  • S-video out capable
  • ADB ports
  • Serial port

Thursday, February 22, 2001

The G3/250 PowerBook was released in the late spring of 1998, along with a lower-end 233MHz model and Higher-end 292MHz machine. The 250MHz PowerBook featured the 750 version of the G3 processor which meant that it could accept a Backside cache...unlike the low-end 233MHz PowerBook, which was cache-less.

These machines had a sleek new design and came with either a 12.1" color dual-scan passive matrix screen capable of 16-bit color at 800x600 resolution, a 13.3" active matrix screen capable of 24-bit color at 1024x768 resolution or a 14.1 active matrix screen also capable of 24-bit color at 1024x768 resolution. Standard hard drive size was either 2 or 4 GB, and the machines came with 32 MB of RAM installed. Maximum RAM capacity is 192 MB.

Two expansion bays allow you add additional removable drives or to utilize a second battery giving your PowerBook a use range of from 5 - 6.5 hours (a single battery will power the G3/250 for approximately 2.5 to 3.5 hours).

This PowerBook has 2 PC slots which can accommodate two type II PC cards or one type III. SCSI and S-video output connectors are found on the back of the case and the machine has an internal 56K modem.

The PowerBook G3/250 weighs in at a arm stretching 7.2 to 7.8 pounds

For Great Prices On Upgrades Check The Vendors Below
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Below you will find the MacBench 5.0 results for the current processor upgrades available for this machine. Results marked in blue indicate that benchmark results were done by us. All other processor card results were provided by the upgrade manufacturer. The bar graphs below express results as a percentage of improvement over the base machine, which receives a score of 100%. Further down the page you will find a table with the actual MacBench score.

MacBench Absolute Scores

Processor Upgrade Card

MacBench 5.0 Processor Score

PowerBook G3/250 833
PowerLogix BlueChip G3/466/233/1MB 1546
PowerLogix BlueChip G3/500/250/1MB 1659

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