RAM: 64 MB or 128 MB standard, expandable to 1 GB using PC100 SDRAM (3.3V, unbuffered, 64-bit, 168-pin, 100 MHz) in 4 DIMM slots not compatible with double-sided DIMMs.L2 cache: 1 MB 2:1 backside cache (512 KB on 300 MHz model).2 units shipped with Mac OS 8.6 and require 8.6 through OS X 10.4.11. 1 requires Mac OS 8.5 through OS X 10.4.11 Tiger Rev. Replaced by Yikes! and Sawtooth Power Mac G4.See Accelerate Your Mac! for more details on differences between these motherboard revisions.Īlthough this model doesn’t support drives larger than 128 GB on its main 33 MHz drive bus, the 16.7 MHz bus used for the optical drive supports multi-word DMA 2 and may support larger hard drives. 2 motherboard is the “402” marking on the CMD646 IDE controller chip. The best way to make sure you’re getting a Rev. When buying a Blue & White G3, insist on getting a Revision 2 system. See the Wikipedia article about the Blue & White G3 for a lot more information about Rev. 1 motherboard doesn’t support booting from hard drives on that bus. 1 motherboard).Ī common suggestion in the old days was to put the hard drive on the 16.7 MBps ATA-3 bus used by the optical drive, but the Rev. The Revision 1 board isn’t stable with many modern hard drives on the built-in IDE bus because the controller doesn’t support UDMA (Mac OS X does an end run around this problem by disabling UDMA on the Rev. ![]() The improved IDE controller supports the standard master/slave drive configuration and solves a drive corruption problem. 350 MHz and 400 MHz models may have either motherboard 450 MHz versions only shipped from the factory with the Rev. The Revision 2 B&W G3 uses a different motherboard, has an additional drive bracket, incorporates a new IDE controller chip (marked 402) that supports UDMA-33, and includes a faster version of the ATI Rage 128 video card. You’d think Apple might have learned a thing or two about product name confusion with the PowerBook G3/ PowerBook G3 Series situation, but that isn’t the case. Unfortunately, the Blue & White Power Macintosh G3 shares the same product name as the earlier, very different Beige Power Macintosh G3. Also, it does not support FireWire Target Disk Mode. ![]() (SCSI PCI cards are readily available, allowing access to SCSI hardware.) Although this model has FireWire and USB ports (see Apple Knowledge Base Article #58430, USB Info and Benefits of Dual-Channel USB), it cannot boot from either. ![]() The addition of 400 Mbps FireWire provides a fast alternative to the missing SCSI. The availability of standard layout keyboards from Apple and others means you don’t have to live with the stock keyboard.Īs on the iMac, USB has practically replaced ADB, but Apple left one ADB port on the B&W G3 for legacy peripherals. Likewise, although the keyboard has a nice feel, it is missing some keys that Apple has provided on full sized keyboard for years (see iMac’s Keyboard: The Missing Keys for a full list). Users had mixed reactions to the round mouse fortunately, there are plenty of good alternatives. The keyboard and mouse also come from the iMac. In a big step forward, these models have 4 PCI slots, one more than previous models, and the B&W G3 is the first computer to ship with copper CPU technology (used in the 350 MHz to 450 MHz models).Īnd with a tip of the hat to the iMac, the B&W G3 doesn’t have a built-in floppy drive. With an entirely new minitower case design and huge graphics on the side, this Mac would stand out even without the bright color. Bold best summarizes the Blue & White Power Mac G3.
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