Installing a PCI Expansion Card, Memory, or an Internal Storage Device

Follow these instructions to install a PCI expansion card, memory, or an internal storage device.

Important Before installing any of these items, carefully read “About PCI Expansion Cards,” “About Memory,” and “About Internal Storage Options” earlier in this chapter.

Opening the Computer

1If your computer is turned on, turn it off by choosing Shut Down from the Special menu. Then wait 5 minutes.

Before proceeding with these instructions, you need to allow the computer’s internal components to cool.

2Unplug all the cables from the computer, including the power cord.

Important If your computer has an internal modem, unplug the phone cord from the modem.

3If the cover is locked shut, unlock it by removing the security cable or padlock from the cover latch.

Do not remove the cover yet.

4If you have never plugged in your computer, make sure the voltage switch is set correctly for the voltage system to which you will be connecting the computer.

If you don’t know the voltage used in the country you’re in, refer to “Voltage Switch Settings for Different Locations,” in Chapter 1, “Setting Up Your Computer.”

Check to see that the voltage switch on the back of your computer is properly set before you plug it in. If you need to change the setting, insert a small screwdriver in this slot and slide the switch.

Set the switch to show “115” for AC voltages in the 100–120 V range. Set the switch to show “230” for AC voltages in the 200–240 V range.

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Apple G3 Minitower manual Opening the Computer
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G3 Minitower specifications

The Apple G3 Minitower, released in 1997, marked a significant evolution in Apple’s desktop computer lineup. As part of the G3 series, it was geared towards both professional users and creative enthusiasts, showcasing powerful performance in a compact form factor. This machine was notable for its distinctive design, featuring a sleek, gray plastic enclosure that was both stylish and practical.

At the heart of the G3 Minitower was the innovative G3 processor, which featured a 250 MHz initial speed, and eventually models offered up to 500 MHz. The G3 architecture utilized a combination of RISC (Reduced Instruction Set Computing) technology and sophisticated software optimizations, allowing for increased performance, especially when handling multimedia applications. The system's performance was complemented by the inclusion of the latest technologies at the time, such as PCI expansion slots, enabling users to add graphics cards and other peripherals to enhance functionality.

The standard configuration came with 32 MB of RAM, which was expandable to a maximum of 1 GB. This capacity made it suitable for demanding tasks such as graphic design and video editing, common uses for the target market. Storage options were generous as well, with the G3 Minitower typically coming with a 4 GB hard drive, upgradeable to larger capacities. This component played a vital role in the machine's ability to efficiently store and manage large files associated with multimedia projects.

In terms of connectivity, the G3 Minitower included USB ports, which were becoming increasingly popular in the late 1990s, as well as a built-in modem and Ethernet port for internet connectivity. The Minitower also supported Apple's innovative FireWire technology, allowing for faster data transfer rates, which was especially advantageous for connecting external devices like digital cameras and external hard drives.

The G3 Minitower ran on the Mac OS 8 operating system, giving users access to a user-friendly, robust interface that was ideal for both new and experienced users. With support for a wide range of software applications, it appealed to educators, designers, and developers alike.

Overall, the Apple G3 Minitower represented a significant leap in desktop computing for Apple and firmly established the G3 architecture as a cornerstone of their product offerings for years to come. Its powerful performance, expandability, and design made it a beloved choice among Mac enthusiasts of the era, embodying the spirit of innovation that Apple was known for.
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