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24 Chapter 3 Using Your Computer
Universal Serial Bus (USB)
Your eMac comes with five USB ports ( ) (three high-speed USB 2.0 ports on the
computer and two USB 1.1 ports on the keyboard), which you can use to connect many
types of external devices, including printers, scanners, digital cameras, game pads,
joysticks, keyboards, and floppy disk drives. USB makes it easy to connect external
equipment. In most cases you can connect and disconnect a USB device while the
computer is running. Once you connect the device, it is ready to use.
Using USB Devices
To use a USB device with your computer, simply connect the device to the computer.
Your computer automatically accesses the necessary software whenever you connect a
new device.
You can connect original USB 1.1 devices and high-speed USB 2.0 devices to the
USB 2.0 ports on the side of your computer. USB 1.1 devices won’t take advantage of
the USB 2.0 higher transfer rate.
Likewise, you can connect USB 2.0 devices to the USB 1.1 ports on your keyboard, but
they will operate at significantly slower speeds.
Note: Apple has already included software to work with many USB devices. When you
connect a USB device, if your eMac cannot find the correct software, you can install the
software that came with the device or check the device manufacturer’s website for the
latest software.
LL2522.book Page 24 Wednesday, February 18, 2004 11:53 AM