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Using multiple usb devices at the same time, For more information about usb – Apple Mac mini computer User Manual

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Chapter 3

Using Your Mac mini

Using Multiple USB Devices at the Same Time

If all of your USB ports are being used and you want to connect more USB devices,

you can purchase a USB hub. The USB hub connects to an unused USB port on your

computer and provides additional USB ports (usually four or seven). Most USB hubs

also have a power adapter that should be plugged into an outlet.

Note: If you’re using a chain of USB devices and hubs, some USB devices may not work

when connected through a combination of USB 2.0 high-speed hubs and USB 1.1 full-

speed or low-speed hubs. For example, you might not see an external USB hard drive

on your desktop. To avoid this problem, do not connect together USB devices with

different speeds. Connect your high-speed hub directly to your computer and connect

high-speed devices to it. Connect a full-speed or low-speed hub directly to your

computer and connect similar-speed devices to it.

For More Information About USB

More information about USB is available in Mac Help. Choose Help > Mac Help and

search for “USB.” You can also find information on the Apple USB website at

www.apple.com/usb/.

For information about USB devices available for your computer, check the Macintosh

Products Guide at www.apple.com/guide/.

LL3734M40.book Page 42 Thursday, July 6, 2006 3:45 PM

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