Power Macintosh G3 (B&W G3) Revision B

The forth generation of Apple displays was introdiced with the Blue & White Power Macintosh G3 desktop or minitower (also known as Blue and White G3 or else B&W G3, Yosemite G3 or Smurf Tower to distingish the device from original Power Macintosh G3). This computer included the white and blue plastics of the iMac. The faster models used the new copper-based PowerPC G3 CPUs made by IBM, which used about 25% of the power of the Motorola versions clock for clock.

Power Macintosh G3 (Commonly Known as B&W G3) Revision B

Introduced: June 1, 1999.

Specifications

  • Codename: Yosemite.
  • Processor: CPU PowerPC 750 (G3). Speed: 300 with 64 KB on-chip L1 cache and 512 KB on-chip L2 cache. 350 MHz or 400 MHz PowerPC G3 with 64 KB on-chip L1 cache and 1 MB on-chip L2 cache.
  • Memory: Motorola MPC106 (codenamed “Grackle”) version 4. RAM: 64 MB, 128 MB. Maximum RAM: 1 GB.
  • Storage: Hard Drive: 6-12 GB (up to 3 36 GB available BTO) ATA Bus: Ultra ATA.
  • Zip Drive: optional. Optical Drive: 32x CD-ROM, DVD/DVD-RAM available
  • ROM: New World ROM. 64 MB, 128 MB* Maximum RAM: 1 GB ( 64 MB standard in M7555LL/A, 128 MB standard in M6665LL/A and M7554LL/A).
  • OS: Original OS Mac OS 8.5.1. Later revisions shipped with 8.6. The latest version that can be run on this model is Mac OS X 10.4 Tiger 10.4.11). Paddington (100 Mbit Ethernet and power save features). It is possible to run Mac OS X 10.5 Leopard if the processor is upgraded to a G4 and several additional kexts are installed from Tiger or beta releases of Leopard.
  • Video Card: Rage 128 GL. VRAM Type: SDRAM. All resolutions supported
  • Video Out: VGA.
  • Audio: Audio chip Burgundy
  • Controllers for Firewire (Texas Instruments PCI-Lynx), for USB etc. added.
  • Dimensions: 17.0 Height x 8.9 Width x 18.4 Depth.
  • Average Weight: 28.7 lbs.

Apple Models, Discontinuation, Price

Model identifier: Power Mac 1.1.

Apple Model Numbers: M6670LL/A (300 MHz), M6668LL/A or M6666LL/A (350 MHz), M6665LL/A (400 MHz). Original model with 128 MB of RAM, a 9.0 GB Ultra2 SCSI hard drive, and a 32X CD-ROM drive – M6665LL/A. Second model configured with 64 MB of RAM, a 6.0 GB Ultra ATA/33 hard drive, and a 5X DVD-ROM drive – M7555LL/A . Model configured with 128 MB of RAM, a 12.0 GB Ultra ATA/33 hard drive, a 32X CD-ROM drive and an internal Zip 100 drive – M7554LL/A.

Discontinued: August 31, 1999. The Power Macintosh G3 was discontinued in favor of the Power Mac G4 line.

Introductory price: $1599 – $4999, depending on configuration ($4999 for the fully loaded server configuration).

Miscellanea

  • This desktop succeeded the original beige Power Macintosh G3, with which it shared the name and processor architecture but little else.
  • ThisG3 was the first Apple model to support FireWire, Apple’s new high-speed serial standard. It was also the first professional model to include USB, although it also came with a legacy ADB port for backwards compatibility.
  • In a controversial move, Apple chose not to include standard serial ports, a floppy drive, or on-board SCSI. Instead the company chose Ultra ATA. An internal Zip was available, however, as were SCSI expansion cards.
  • The Power Macintosh G3 B&W was the first computer to be equipped with the New World ROM architecture in the Power Macintosh line.
  • The first G3 B&W’s had space to mount a single hard disk to the casing, whilst the second revision had a complete rack laying under the power suply which could easily be taken out and has space to mount 3 or four hard disks.
  • Revision B motherboard can be easily identified by a 402 on the chip closest to the IDE socket on the motherboard.
  • The fourth generation displays were notorious for faulty flybacks.

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