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TITLE
Power Macintosh G3 Computers: Technical Specifications
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Article ID:
Created:
Modified:
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28049
10/21/97
10/31/00
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TOPIC
DISCUSSION
The technical specifications include information on the microprocessor, memory, storage, graphics support, interfaces, networking, sound, keyboard and mouse, clock /calendar, electrical requirements and compliance, ADB power requirements, size and weight, and environmental requirements.
Microprocessors
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233-, 266- or 300-MHz PowerPC G3 processor
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Integrated floating-point unit and 32K level 1 on-chip data and instruction caches
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117-, 133- or 150-MHz dedicated 64-bit backside bus
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66-MHz system bus
Memory
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512K (in 233-, 266-MHz models) or 1MB (in 300 MHZ models) level 2 backside cache on processor module
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At least 32MB of RAM; 3 DIMM slots support up to 384MB (see Note 1)
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4MB of ROM
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64-bit memory bus
Storage
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One or two internal IDE or Ultra/Wide SCSI hard disk drives
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Internal high-capacity floppy disk drive
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Accepts high-density 1.44MB disks and 800K disks
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Reads, writes, and formats Mac OS, Windows, MS-DOS, OS/2, and ProDOS disks
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Internal 24x-speed (maximum) ATAPI CD-ROM drive
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Optional internal ATAPI DVD-ROM drive supports CD-ROMs at 20x speed (maximum) or DVD-ROMs at 2x speed (maximum)
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Internal 100MB Zip drive for fast, easy storage or backup (some configurations)
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Expansion bays available for additional storage devices:
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Desktop models: One or two 3.5-in. SCSI bays (varies by configuration)
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Minitower models: One 5.25-in. SCSI bay
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Video/Graphics support
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2MB or 6MB of SGRAM video memory; supports up to 6MB
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ATI 3D RAGE II+ or RAGE PRO(see Note 2) 64-bit graphics and multimedia accelerator chip
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(some configurations) 128-bit 2-D/3-D graphics PCI card with 8MB of EDO VRAM, provides support for dual monitors
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Supports thousands of colors at up to 1,024- by 768-pixel resolution (24-bit) with 2 megabytes of VRAM; supports millions of colors at up to 832- by 624-pixel resolution (32-bit) with 2 megabytes of VRAM. For more information on the resolutions supported, see article 30250, titled "
Power Macintosh G3 & G3 All-in-one: Video RAM Upgrade
".
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Refresh rate of up to 85 Hz
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24-bit video input (Minitower configuration)
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Support for NTSC, PAL, and SECAM
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Up to 320- by 240-pixel capture at 30 frames per second
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Maximum capture size of 640 by 480 pixels
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24-bit video output (Minitower configuration)
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Support for NTSC and PAL
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High sample rate on output signal eliminates need for external and analog filtering
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Interfaces
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Three 12-inch PCI expansion slots compatible with PCI 2.1-compliant cards
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Two high-speed DMA serial (RS-232/RS-422) ports compatible with LocalTalk and GeoPort cables
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Built-in 10BASE-T connector
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Internal SCSI bus (up to 5MB/second)
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External SCSI bus (up to 5MB/second)
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Apple Desktop Bus (ADB) expansion port
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DB-15 connector for monitor
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Communications slot for modem card
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Mini jacks for 16-bit stereo audio input/output; up to 44.1-kHz sampling rate
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Composite and S-video connectors for video input/output (minitower configuration)
Sound
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Digital audio/input (DAV) connector
Keyboard and mouse
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Includes Apple Design Keyboard and ADB Mouse II
Clock/calendar
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Custom integrated circuit with long-life battery
Electrical requirements and compliance
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Line voltage: 100 to 125/200 to 240 V AC, RMS single phase, automatically configured
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Frequency: 50 to 60 Hz, single phase
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Power: 230 W maximum for desktop, 240 W maximum for minitower; not including display
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EPA Energy Star and Blue Angel compliant (desktop models only)
ADB power requirements
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Maximum current draw for all devices: 500 mA (maximum of three ADB devices recommended)
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Mouse draws 10 mA
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Keyboard draws 25 to 80 mA
Size and weight (
Desktop models
)
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Height: 6.2 in. (15.6 cm)
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Width: 14.4 in. (36.5 cm)
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Depth: 16.9 in. (43.0 cm)
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Weight: 22.7 lb. (10.2 kg)--will vary based on configuration
Size and weight (
Minitower model)
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Height: 15.2 in. (38.6 cm)
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Width: 9.6 in. (24.3 cm)
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Depth: 17.8 in. (45.2 cm)
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Weight: 33.1 lb. (15.0 kg)
Environmental requirements
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Operating temperature: 50° to 104° F (10° to 40° C)
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Storage temperature: -40° to 116° F (-40° to 47° C)
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Relative humidity: 5% to 95% noncondensing
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Maximum altitude: 10,000 ft. (3,048 m)
Configurations
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Power
Macintosh
G3 desktop computer
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Order no.
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M6141LL/A
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M6202LL/A
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Processor speed
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233 MHz
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266 MHz
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Memory
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32MB; supports up to 384MB (see Note 1)
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32MB; supports up to 384MB (see Note 1)
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System bus speed
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66 MHz
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66 MHz
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Backside bus speed
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117 MHz
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133 MHz
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Hard disk drive
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4GB
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4GB
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CD-ROM drive
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24x-speed (maximum)
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24x-speed (maximum)
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Zip drive
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100MB
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Video capabilities
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-
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Agency approvals
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EPA Energy Star; Blue Angel
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EPA Energy Star; Blue Angel
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Power Macintosh G3 minitower computer
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Order no.
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M6142LL/A
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M6431LL/A
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Processor speed
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266 MHz
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233 MHz
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Memory
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32MB; supports up to 384MB
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32MB; supports up to 384MB
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System bus speed
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66 MHz
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66 MHz
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Backside bus speed
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133 MHz
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117 MHz
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Hard disk drive
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6GB
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4GB IDE
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CD-ROM drive
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24x-speed (maximum)
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24x-speed (maximum)
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Zip drive
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100MB
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Video capabilities
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Yes
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Yes
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Agency approvals
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-
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Power Macintosh G3 minitower computer
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Order no.
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M6459LL/A
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M6572LL/A
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Processor speed
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266 MHz
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300 MHz
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Memory
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128MB; supports up to 384MB
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64MB (one 64MB DIMM); supports up to 384MB
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System bus speed
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66 MHz
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66 MHz
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Backside bus speed
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133 MHz
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150 MHz
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Hard disk drive
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4GB Ultra/Wide SCSI drive and PCI card
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one 4GB Ultra/Wide SCSI drive and PCI card
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CD-ROM drive
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24x-speed (maximum)
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24x-speed (maximum)
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Zip drive
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-
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-
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Video capabilities
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Yes
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Yes
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Agency approvals
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-
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Power Macintosh G3 minitower computer
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Order no.
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M6494LL/A
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Processor speed
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300 MHz
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Memory
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128MB (one 128MB DIMM); supports up to 384MB
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System bus speed
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66 MHz
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Backside bus speed
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150 MHz
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Hard disk drive
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Two 4GB Ultra/Wide SCSI drives and PCI card
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CD-ROM drive
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24x-speed (maximum)
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Zip drive
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-
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Video capabilities
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Yes
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Agency approvals
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-
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All models also include internal 1.44MB floppy disk drive; keyboard and mouse; Mac OS 8 (which includes Internet access software); complete setup, learning, and reference documentation; and limited warranty.
Notes
1. The Power Macintosh G3 in a desktop enclosure is capable of taking 128MB DIMMs. However, smaller 128MB DIMM's must be used due to space constraints. For additional information, refer to article 24343, "
Power Macintosh G3 (Desktop): 128MB Memory DIMM Support
"
2. Included with those Power Macintosh G3 systems with the revision 2 logic board.
Product specifications are subject to change. Check with your Apple reseller for the most current information about product specifications and configurations.
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