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Power Macintosh G3 (Blue and White): Technical Specifications
This article provides the technical specifications for the new Power Macintosh G3 announced at MacWorld San Francisco 1999.

Technical Specifications


* 350-, 400-, or 450-MHz PowerPC G3 processor
* 1MB backside level 2 cache on processor, running at 175, 200, or 225 MHz depending on processor speed
* 100-MHz system bus
* Integrated floating-point unit and 64K on-chip level 1 cache (32K for data and 32K for instruction)


* 64MB or 128MB of PC100 SDRAM (3.3-volt, unbuffered, 64-bit-wide, 168-pin, 100 MHz/8ns devices)
* Four DIMM slots support up to 1GB of PC100 SDRAM using the following DIMMs:

-32MB, 64MB, or 128MB DIMMs (64-bit-wide, 64-Mbit technology)

-128MB or 256MB DIMMs (64-bit-wide, 128-Mbit technology)


-6GB Ultra ATA hard disk

* 32x-speed (maximum) CD-ROM drive; or 5x-speed (maximum) DVD-ROM drive with DVD-Video playback (reads CD-ROMs at up to 32x speed)
* Zip drive (some configurations)
* Two additional expansion bays for Ultra Wide SCSI and Ultra2 LVD SCSI drives


* Connectivity

-Two 400-Mbps FireWire ports
-Two 12-Mbps Universal Serial Bus (USB) ports
-Apple Desktop Bus (ADB) port (maximum current draw for all ADB devices is 500 mA.

* Communications

-Built-in 10/100BASE-T Ethernet connector (RJ-45)
-Optional internal 56K modem card (supports K56flex and V.90 standards)**

* Expansion

-Four PCI slots: three 64-bit, 33-MHz slots and one 32-bit, 66-MHz slot dedicated to the ATI RAGE 128 graphics card

* Video

-15-pin mini D-Sub VGA connector and Macintosh-to-VGA adapter

* Sound

-Minijacks for 16-bit stereo audio input and output; 44.1-kHz sampling rate
-Built-in speaker

Graphics support

ATI RAGE 128 graphics card with 16MB of SDRAM graphics memory, which provides the following capabilities:

* 2D performance

-128-bit internal engine
-Hardware acceleration of graphics and video
-Support for up to 1,600 by 1,200-pixel resolution at 32 bits per pixel (millions of colors)

* 3D performance

-Advanced integrated triangle setup engine
-Single-pass multitexturing design
-Full 32-bit-per-pixel (bpp) Z buffer and 8-bpp stencil buffer
-Robust support of QuickDraw 3D RAVE and OpenGL

Monitor Resolution

640 x 480
800 x 600
1024 x 768
1152 x 864
1280 x 1024
256 colors
Maximum 3D Resolutions

up to 1600 x 1200
up to 1280 x 1024

Keyboard and mouse

* Apple USB Keyboard and Apple USB Mouse

Electrical requirements

* Line voltage: 115V AC (90V to 132V AC) or 230V AC (180V to 264V AC)
* Frequency: 47 to 63 Hz, single phase
* Maximum continuous power (not including display): 200W

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