Samsung SDP-850DX Software User's Manual page 36

Symptom
The following error
message(Windows XP
message): "HI-SPEED USB
device is plugged in non-HI-
SPEED USB hub. "
This PC is loaded with USB
2.0 controller but its image
frame rate is far inferior.
When the file you captured
cannot be played
In this case, the system is operating in USB 1.1 mode.
• Make sure that the USB 2.0 function is ON in
CMOS.
• Download and install the latest Microsoft USB
patches. (KB822603)
• Select Start Menu → Control Panel → System
Hardware Tab → Device Manager → [Universal
Serial Bus controllers] lists → select the property of
USB 2.0 root hub and select the Power
Management tab. Uncheck the 'To turn off this
device for saving Power' item.
• Turn off the power management(S3) of computer.
• USB ports uses the Computer's CPU resource to
send the data. In some instances, computers with a
lower performing CPU will have difficulty running
multiple programs with the SDP Viewer application
at the same time due to the demand on the system
resources. When performance suffers, try closing all
programs not related to the Viewer application.
• in the event that the computer in question utilizes
the DVMT (Dynamic Video Memory Technology)
style of built-in graphic card, the ability of the system
to process the input from the document camera can
decline causing quality to suffer. In this instance,
please select the SAFE Mode of the Option Dialog
box (page 14) to improve performance.
• In rare cases, when connecting the Samsung
document camera to a confirmed USB 2.0 enabled
computer, an error window may appear stating "HI-
SPEED USB equipment is inserted on the non-HI –
SPEED hub." In this instance, when the SDP Viewer
software is launched, it will function in a USB 1.1
mode with a slower than normal refresh rate. When
this occurs, simply disconnect and reconnect the
USB cable to the computer, and the unit will be
recognized as a USB 2.0 device.
(Re)Install the codecs included with a CD.
Solution
35