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3 MAKING USE OF USB
USB Specifications
USB standard Rev. 1.0 complied self-powered hub
Downstream power supply 500 mA for each (Max.)
Communication speed 12 Mbps (full), 1.5 Mbps (low)
USB ports Upstream port x 1
Downstream ports x 4
Troubleshooting
Points to check with possible solutions
Check that the USB cable is correctly
connected.
Check that the PC and OS is compliant to the
USB. (For the USB support of the system,
consult the manufacturer of each system.)
Check the PC’s BIOS setting for the USB.
(For details, refer to the manual of the PC.)
Check that the USB cable is correctly
connected.
Check the downstream ports by connecting
the peripherals to other downstream ports.
If the problem is solved by doing this, contact
an EIZO dealer.
Try executing the following method.
* Restarting the PC
* Connecting the PC and peripherals directly
If the problem is solved by doing this, contact
an EIZO dealer.
The power button of the APPLE keyboard
does not operate if it is connected to the EIZO
USB Hub. Please connect the keyboard
directly with the PC. Refer to the instruction
of the PC for details.
Problems
1)• USB function
cannot be setup.
2)• PC is hung up.
• The peripherals
connected to the
downstream
ports do not
operate.