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9. Troubleshooting
page 45
LaCie silverscreen
User’s Manual
The Problem
The drive is not running
noticeably faster when
connected via Hi-Speed
USB 2.0.
Questions To Ask
Are you operating in Mac OS
9.x?
Are you operating in Mac OS
10.x?
Is the drive connected to a
standard USB port on your
computer?
Is the drive connected to a Hi-
Speed USB 2.0 port on your
computer?
Does your computer or
operating system support Hi-
Speed USB 2.0?
Possible Solutions
Apple does not support the Hi-Speed USB 2.0 standard
under Mac OS 9.x. You will be limited to the slower transfer
rates of the original USB standard. For more information,
please see section
7.6. Optimizing Data Transfers
.
Apple has only recently begun incorporating native Hi-
Speed USB 2.0 ports in their computers. To achieve Hi-
Speed USB 2.0 transfer rates, you will need to add a Hi-
Speed USB 2.0 PCI or PC card to your computer. For more
information, please see section
7.6. Optimizing Data
Transfers
.
If your drive is connected to a standard USB port, this is
normal. A Hi-Speed USB 2.0 device can only operate at Hi-
Speed USB 2.0 performance levels when it is connected
directly to a Hi-Speed USB 2.0 port. Otherwise, the Hi-
Speed USB 2.0 device will operate at the slower USB
transfer rates. For more information, please see sections
7.6.
Optimizing Data Transfers
and
8. USB Questions &
Answers
.
Check to see that the Hi-Speed USB 2.0 drivers for both
your host bus adapter and device have been installed
correctly. If in doubt, un-install the drivers and re-install
them. Also, make sure that you are connected directly to a
Hi-Speed USB 2.0 port on your computer. The LaCie
silverscreen will not work properly when connected to a hub.
See sections
2.1. Minimum System Requirements
and
7.6.
Optimizing Data Transfers
for more information.