5. Technical Information
5.1 User Advice When Using USB 2.0
The following technical information relates to your
LaCie Hard Drive and gives some practical advice:
Power Autoswitching
Your LaCie Hard Drive comes with an autoswitching power supply. This means that if the drive is connected to a USB
connector on your computer, when you turn off the computer, the LaCie drive will turn off automatically. Likewise, when you
turn on your computer, your LaCie drive will turn on automatically.
Power Save
The LaCie Hard Drive manages power consumption. If the system’s power save feature supports it, the drive will spin down
during the power save mode. After the system comes of out of power save, the drive will take a few seconds to spin up to full
power before it can be accessed.
Important Note:
USB 2.0 Host Bus Adapters and Performance At the time of publication (April 2002), Mac OS
does not support USB 2.0 functionality, and the USB 2.0 interface is not a standard feature implemented on the
motherboards of all PC-compatible computers. Future versions of Windows will include USB 2.0 drivers to
automatically manage USB 2.0 devices. For the most up-to-date information on USB 2.0 driver availability, we
advise you to check the Microsoft and Apple Web sites regularly.
To utilize the newly enhanced USB 2.0 performances, your computer must be equipped with a USB 2.0 host bus adapter (sold
separately, or integrated by your PC manufacturer) and the appropriate drivers. These host bus adapters, which include one
or more USB ports, are shipped with special USB 2.0 drivers that enable the computer to control the card. These drivers must
be installed in order for USB 2.0 devices connected to the port to work at their correct speeds. For installation instructions,
please refer to the documentation that comes with the host adapter card.
LaCie supplies only the appropriate USB 2.0 drivers for its peripherals and does not provide drivers for third-party host
adapter cards. To obtain the right drivers for your host adapter card, visit your card manufacturer’s Internet site.
Data Transfers
During data transfers, it’s best to wait before launching other applications on the same USB port. Anomalies may arise with
computers that have USB controllers that do not conform to OHCI (Open Host Controller Interface) standards. Your product
has been tested and checked on computers with Intel or Apple USB platforms. In any other configurations, we cannot ensure
100% correct operation. Due to this, you may encounter hanging problems. If this happens, proceed as follows:
Technical Information
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LaCie d2 USB Hard Drive
