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62 Chapter 3 Using Your iMac
Using FireWire Devices
To use a FireWire device with your iMac, simply connect the device to the FireWire (H)
port. Apple has already included software to work with many FireWire devices. When
you connect a FireWire device, if your iMac 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.
Note: The FireWire (H) port is designed to provide power for FireWire devices (up to a
total of 8 watts). You can connect multiple devices to each other and connect the
“daisy-chain” of devices to the FireWire (H) port on your iMac. In most cases, at most
two devices should get power from the iMac. If you connect more than two devices,
the rest of the devices in the daisy-chain should be powered by separate power
adapters. Connecting more than two FireWire devices that get power from the iMac
may cause problems. If a problem occurs, shut down your iMac, disconnect the
FireWire devices, and restart your iMac.
More Information About FireWire
More information about FireWire is available in Mac Help (see page 29). Choose
Help > Mac Help and search for “FireWire.” You can also find information on the
Apple FireWire website at www.apple.com/firewire.