Power Macintosh G3

The Power Macintosh G3 was a series of personal computers made by Apple. It used IBM's G3 microprocessor (PowerPC 750).

A major leap forward was made in this model through the introduction of a large level 2 backside cache which eliminated data bottlenecks and allowed very efficient use by the computer of its bus speed. Mac computers were claimed, because of this, to equal or exceed in power PC computers which had nominally faster CPU speeds.

Codename: Gossamer

• CPU Speed: 233/266/300/333 Mhz
• FPU: integrated
• Bus Speed: 66 Mhz
• Data Path: 64 bit
• ROM: 4 MB
• RAM Type: 168 pin DIMM
• Mininum RAM Speed: 100 Mhz
• Onboard RAM: 0 MB
• RAM Slots: 3
• Maximum RAM: 768 MB
• Level 1 Cache: 32 kb data, 32 k instruction
• Level 2 Cache: 1 MB backside, 1:2
• VRAM: 2 - 6 MB (2 MB onboard, one socket)
• Maximum Resolution: 1600x1200
• Slots: 3 PCI, 1 personality (filled)
• Floppy Drive: 1.4 MB SuperDrive
• Zip Drive: optional
• Optical Drive: 24x CD-ROM
• Hard Disk: 4 GB
• ATA Bus: EIDE
• Ethernet: 10Base-T
• ADB: 1
• Serial: 2
• SCSI: DB-25
• Video Out: DB-19
• Audio Out: stereo 16 bit mini
• Audio In: stereo 16 bit mini
• Speaker(s): mono
• Gestalt ID: 510
• Power: 150 Watts
• Weight: 33.1 lbs.
• Dimensions: 15.2" H x 9.6" W x 17.8" D
• Minimum OS: 8.0
• Maximum OS: 10.2.4
• Introduced: November 1997
• Terminated: January 1999

Notes: The Desktop case for the PowerMac G3 weighed 22 lbs., and had the following dimensions: 6.3" H x 14.4" W x 16.9" D

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