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Installation Steps
Support Note:
Technical knowledge may be required
to gain access to the expansion card slots in certain com-
puter models. We recommend you first consult your computer's
user manual. If you feel you are unable to install the computer
hardware, contact a qualified technician.
Allegro FW800 Installation Preparation
Sonnet strongly recommends that you read the section in your
computer's user manual that addresses PCI card installation, prior
to installing the Allegro FW800 into your system.
Allegro FW800 Card Installation Steps
1. Shut down your computer.
2. Open your computer to access the expansion card area
(PCI slots); refer to your computer's user manual for specifi c
information.
3. Locate an available PCI slot inside your computer and
remove its port access cover, if present, from the rear of the
computer.
4. Remove the Allegro FW800 card from its packaging.
5. Install the Allegro FW800 into the PCI slot; make sure the
card is firmly seated and secured.
6. Close your computer and carefully replace its cover; your
installation is complete.
FireWire 800 Driver Information
The drivers that enable the Allegro FW800 to support FireWire
800 speeds are installed automatically when you upgrade your
Mac OS X operating system software to Version 10.2.3 or higher.
The drivers that enable FireWire 400 speeds are installed auto-
matically when you install, or upgrade to, Mac OS 9.x or higher.
Using Peripherals With the Allegro FW800
Known Issues and Advice
• Many peripherals require additional drivers and applica-
tion software to operate or have full functionality . Software
should be included with the device, or available to download
from the manufacturer's web site. Check the peripheral's user
manual for information about necessary software.
• FireWire 400 peripherals connected to the Allegro FW800 will
always operate at FireWire 400 speeds (up to 400 Mbits/second),
regardless the operating system used.
• FireWire 800 peripherals connected to the Allegro FW800 will
operate at FireWire 400 speeds (up to 400 Mbits/second), when
your computer is booted in Mac OS 9.x through Mac OS X
Version 10.2.2.
• Disconnecting FireWire peripherals (including external stor-
age devices, cameras, memory card readers, etc.) while they
are transferring or receiving data, may result in damage to the
fi le(s) being transferred, or cause your system to hang.
• Always unmount a drive from the desktop (eject or drag it to
the trash) before disconnecting it from its cable or the Allegro
FW800 card.
• Do not forget to connect external power supplies to the periph-
erals that require them. Although many peripherals may draw
power directly from the Allegro FW800 card, other devices
require an external power source.
• When transferring data from a digital video camera to your
computer through the Allegro FW800, we do not recommend
using another FireWire device at the same time.
• If you need to daisy-chain FireWire 400 and FireWire 800
peripherals together, connect FireWire 400 devices at the end
of the chain. Any FireWire 800 peripheral connected after a
FireWire 400 peripheral will operate at a maximum of 400
Mbits/second.
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