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PowerBook G3/266 Processor Upgrade And Discussion Page - Performance Of Latest G3 Processor Upgrades

PowerBook G3/266 Facts at a Glance

  • Processor: G3, 266MHz
  • Bus Speed: 66 MHz
  • L2 Cache: 1 MB @ 133MHz
  • Installed RAM: 64MB (Max 192)
  • RAM Slots: 2, SO-DIMM
  • Min RAM Speed: 10 ns
  • Installed VRAM: 4MB (Max 4 MB)
  • Drive: 4 GB or 8 GB ATA
  • 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 - X
  • Screen: 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: 9/98
  • Discontinued: - 5/99
  • Original Price: $3,500
  • Current Price
  • Notes:

  • S-video out capable
  • ADB ports
  • Serial port
  • Optional DVD drive

Thursday, March 29, 2001

The G3/266 PowerBook was released in the late summer of 1998, along with a lower-end 233MHz model and higher-end 300 MHz machine. This series of machines were code named "WallStreet" and sported a 66 MHz System bus, a speed that would not be broken until the G3/400, with its 100 MHz bus, would released.

All three machines came with backside cache, the 266 MHz model with 1 MB running at half the processor speed.

All the WallStreet machines standardized on a large 14.1, 24-bit, 1024 x 768, active matrix screen.

The machine has two expansion bays one of which was filled with a removable CD-ROM drive. Options for the expansion bays included a DVD drive or an extra battery which allows for running in dual-battery mode. An expansion bay floppy-drive was also an option.

The WallStreet PowerBooks were popular and sold well.


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.

For G4 Application specific scores - Click Here


MacBench Absolute Scores

Processor Upgrade Card

MacBench 5.0 Processor Score

PowerBook G3/266 825
PowerLogix BlueChip G3/466/233/1MB 1546
PowerLogix BlueChip G3/500/250/1MB 1659


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