Power Macintosh G3 All-In-One (AIO)

At A Glance

The Power Macintosh G3 All-In-One (AIO) was the heaviest computer ever made by Apple weighing in at 59.9 pounds. It featured a 15″ CRT, 1.44Mb floppy drive, internal Zip drive and CD-ROM. You can view the original specifications of the Power Macintosh G3 All-In-One at the Apple site by clicking here and read the full Apple description here.

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Original Specifications

  • Processor:
    • 233Mhz or 266 Mhz with 66 Mhz bus
  • Memory:
    • 8,16,32,64,or128MB
    • 3.3 volt ( V ), unbuffered, 64-bit wide, 168-pin
    • 100 MHz/10 nanosecond (ns) cycle time or faster
    • Note: Power Macintosh G3 computers use SDRAM DIMMs.
  • Internal Disk Drives:
    • Apple SuperDrive 1.4 MB high-density floppy disk drive
    • Apple ATA hard disk drive
    • 24x-speed ATAPI CD-ROM drive
    • Optional Zip drive connected to SCSI chain (If the drive is installed, it has SCSI ID number 5.)
  • Video Modes:
    • Logic board: 2 MB
    • RAM Slots: 2 x 30-pin SIMM
    • Min – Max RAM: 2 MB – 10 MB
    • Min RAM Speed: 100
    • RAM Sizes: 1, 2, 4Mb
  • Optional Audio/Video Interfaces:
    • Two pairs of RCA-style audio ports for stereo input and output
    • Two composite video ports for video input and output
    • Two S-video ports for video input and output
    • All the video ports support the NTSC and PAL video standards. The video input ports also support the SECAM video standard.
  • Audio System:
    • Custom sound circuitry, including a stereo generator (digital-to-analog converter, or DAC)— capable of driving stereo miniplug headphones or audio equipment—and stereo sampling hardware (analog-to-digital converter, or ADC) for recording stereo sound
    • 8-bit and 16-bit stereo input and output
    • Sample rates of 44.1, 22.05, and 11.025 kilohertz (kHz)
    • Preamplifier enabled for input gains greater than 22.5 decibels (dB)

  • Interfaces:
    • One ADB port supporting up to three ADB input devices (such as a keyboard, mouse, or trackball) daisy-chained through a low-speed, synchronous serial bus
    • Port for mirroring color and grayscale monitors of various sizes and resolutions (See “Video Modes” earlier in this booklet. The manual that came with the computer contains information about connecting a monitor to this port.)
    • Two internal ATA connectors: one supports the built-in hard disk drive and one supports the built-in CD-ROM drive
    • Three internal expansion card slots supporting 7-inch PCI expansion cards. Install only expansion cards that come with Macintosh drivers and are compliant with the PCI 2.1 standard. NuBusTM cards cannot be used in these expansion slots.
    • One printer port and one modem port. Both ports are RS-232/RS-422 serial ports, 230.4 kilobit (Kbit) per second maximum (up to 2.048 megabit [Mbit] per second if clocked externally). If the computer came with an internal modem, the external modem port is covered.
    • One built-in 10Base-T Ethernet RJ-45 connector for direct connection to 10Base-T networks
    • Three 3.5-mm sound output ports for headphones or amplified speakers
    • One built-in microphone that records monophonic (mono) sound
    • One 3.5-mm sound input port for stereo sound input. The sound input port supports the Apple PlainTalk Microphone that comes with some Macintosh computers or can be purchased separately. The sound input port also supports a standard stereo (miniplug-to- RCA) cable adapter for connecting stereo equipment to your computer. The sound input port does not support the omnidirectional microphone (the round microphone shipped with some earlier models of Macintosh) or the attenuated RCA adapter provided with some Macintosh models.
  • Size & Weight:
    • Weight (lbs): 59.5 lb
    • Height: 19.61in (498mm)
    • Width: 15.83in (402mm)
    • Depth: 17.72in (450mm)
  • Environment:
    • Operating temperature: 10° C to 40° C (50° F to 104° F)
    • Storage temperature: –40° C to 47° C (–40° F to 116.6° F)
    • Relative humidity: 5% to 95% (noncondensing)
    • Altitude: up to 3048 m (up to 10,000 ft.)

Problem with these specifications? Let us know.


For a full description of the G3, check out the original Apple description here.

Click here to download all the G3 manuals.

Low End Mac

Click here for a great overview of the AIO over at LEM.


There are lots of great videos of the G3 over at YouTube.
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