Acomdata m-hdxxxupe5-72 Benutzerhandbuch
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Performance seems to be slower than 480 Mbps.
A: First, in order to reach USB 2.0 speeds, you need a connection
that supports USB 2.0. If the connection only supports USB 1.1
the Drive will operate at USB 1.1 speeds (up to 12 Mbps). The
Drive will auto-sense the speed of your USB port and adjust
between USB 1.1 and USB 2.0. Second, 480 Mbps is the maximum
interface transfer rate of USB 2.0. Actual data transfer rates will
vary depending on a number of factors. See "About Hi-Speed
USB 2.0" for more information.
When I connected the Drive to my computer, I got the follow-
ing alert message: “Please insert disk ‘untitled’.”
A: If you get this alert message, your Mac is not recognizing the
Drive and the mouse cursor may actually freeze on screen. If this
happens, hold down the Apple/Control key and press the Period
(“.”) key. You should regain control of your mouse. Restart your
computer and rebuild the Desktop. (Refer to the manual that
came with your Mac for instructions on how to rebuild the Desktop.
It is good practice to periodically rebuilt the Desktop anyway.) After
your Mac reboots, the Drive should mount normally and you
should not have this problem again.