IBM ThinkPad Dock User Manual page 12

2. If your operating system is Microsoft
returns to normal operation after being attached to a ThinkPad Dock II
when it is operating or in standby mode, the warning message, "HI-SPEED
USB Device Plugged into non-HI-SPEED USB Hub," may appear. It is
displayed because of the USB 2.0 driver problem on Windows XP. You can
safely close it. If your computer belongs to the ThinkPad X30 Series or the
T40 Series and is compatible with USB 2.0, the message is not displayed.
(8) The Ultrabay 2000 only supports the Ultrabay devices. It does not support
a second battery or an Ultrabay Plus device.
(9) The PCI slot accepts a short-size PCI card.
(10) The mouse connector is for connecting a mouse.
(11) The keyboard connector is for connecting an external keyboard or an
external numeric keypad.
(12) The external-diskette-drive connector is for connecting an
external-diskette drive.
Note: If your ThinkPad computer does not support the external-diskette drive,
you cannot use the connector.
(13) The parallel connector is for connecting a parallel device.
(14) The serial connector is for connecting a serial device.
(15) The security keyhole is for attaching a mechanical lock so that the rear
cover of the ThinkPad Dock II cannot be opened.
(16) The modem connector is for connecting the docking station to a telephone
line.
Note: If your ThinkPad computer does not support the modem connector, you
cannot use the connector.
(17) The Ethernet connector is for connecting the ThinkPad Dock II to a
10BASE-T/100BASE-TX/1000BASE-T Ethernet LAN. Two indicators, to the
upper left and the lower left of the connector, show the status of the network
connection. When your computer connects to a LAN and the session is
available, the upper indicator shows yellow. While data is being transmitted,
the lower indicator blinks green.
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ThinkPad Dock, ThinkPad Dock II: User's Guide
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Windows XP and your computer