Table of Contents
Lenovo 40B00300EU User Manual
Displayed below is the user manual for 40B00300EU by Lenovo which is a product in the Notebook Docks & Port Replicators category. This manual has pages.
Related Manuals
ThinkPad Universal Thunderbolt 4 Dock
ThinkPad Thunderbolt 4 Workstation Dock
User Guide
https://www.lenovo.com/safety
Note: Before using this documentation and the product it supports, ensure that you read and understand
the warranty information in the documentation that comes with the product.
Second Edition (July 2021)
© Copyright Lenovo 2021.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.
Contents
Chapter 1. About the dock . . . . . . . 1
In the box . . . . . . . . . . . . . . . . . . 1
Product overview . . . . . . . . . . . . . . . 3
Chapter 2. Set up the dock . . . . . . . 7
Install the dock . . . . . . . . . . . . . . . . 7
Update the dock driver and firmware . . . . . . . 8
Install Lenovo Dock Manager . . . . . . . . . . 8
Chapter 3. Use the dock. . . . . . . . . 9
Use the video output connectors . . . . . . . . . 9
Use the Ethernet connector . . . . . . . . . . . 9
Chapter 4. Troubleshooting . . . . . . 11
Appendix A. Accessibility
information . . . . . . . . . . . . . . . 13
Appendix B. Trademarks . . . . . . . 15
© Copyright Lenovo 2021 i
ii ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
Chapter 1. About the dock
Thanks for using ThinkPad Universal Thunderbolt 4 Dock / ThinkPad Thunderbolt 4 Workstation Dock.
This dock is an enhanced universal compatible module to help you expand your computer with automated
and silent updates. You can use it to connect your computer (Microsoft® Windows® 10 only) to a local area
network (LAN) and multiple devices, such as a headset, external displays, and Universal Serial Bus (USB)
devices.
To view the compatible computers,
1. Go to https://support.lenovo.com/us/en/solutions/accs-guide.
2. Select ThinkPad, ThinkCentre, ThinkStation, Ideapad and Ideacentre Option Compatibility Matrix.
Then follow the on-screen instructions.
In the box
ThinkPad Universal Thunderbolt 4 Dock
• ThinkPad Universal Thunderbolt 4 Dock
• 135 W power adapter and power cord
• Thunderbolt 4 cable
• Documentation
© Copyright Lenovo 2021 1
ThinkPad Thunderbolt 4 Workstation Dock
• ThinkPad Thunderbolt 4 Workstation Dock
• 300 W power adapter and power cord
• ThinkPad Thunderbolt 4 Workstation Dock Split Cable
• Documentation
Contact your place of purchase if any item is missing or damaged. Ensure that you retain your proof of
purchase and packing material. They might be required to receive warranty service.
2ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
Product overview
Power connector
Connect to ac power with the accompanying ac power adapter and power cord.
Thunderbolt™ 4 connector (for connecting computer)
Connect to your computer with the accompanying cable.
Thunderbolt 4 connector
Connect a compatible device to
• Transfer data.
• Charge with the output voltage and current of up to 5 V and 3 A.
• Connect an external display with a Thunderbolt cable or USB-C cable.
Note: Do not connect your computer to this connector.
DisplayPort® connectors
Connect to external displays with DisplayPort cables.
USB 3.2 connector Gen 2
Connect a compatible device to transfer data.
Ethernet connector
Connect to a LAN with an Ethernet cable.
Chapter 1.About the dock 3
Always On USB 3.2 connector Gen 2
Connect a compatible device to
• Transfer data.
• Charge with the output voltage and current of up to 5 V and 2.4 A.
HDMI™ connector
Connect to an external display with a High-Definition Multimedia Interface (HDMI) cable.
Power button
Press to turn off or turn on the dock.
Security-lock slot
Support cable locks that conform to the Kensington / Lenovo NanoSaver lock standards (using
Cleat locking technology).
Security-lock slot
Support cable locks that conform to the Kensington / Lenovo MicroSaver lock standards (using T-
bar locking technology) or MiniSaver lock standards (using Cleat locking technology).
VESA mount holes
Mount to wall or monitor stand with VESA mount screws (M4 x 10 mm x 2 pcs).
Audio connector
Connect a headset or headphones with 3.5 mm plug.
Statement on USB transfer rate
Depending on many factors such as the processing capability of the host and peripheral devices, file
attributes, and other factors related to system configuration and operating environments, the actual transfer
rate using the various USB connectors on this device will vary and will be slower than the data rate listed
below for each corresponding device.
USB device Data rate (Gbit/s)
3.2 Gen 1 / 3.1 Gen 1 5
3.2 Gen 2 / 3.1 Gen 2 10
Thunderbolt 3 connector (USB-C) 40
Thunderbolt 4 connector (USB-C) 40
ThinkPad logo Indication
When the dock is connected to ac power, this indicator shows the dock status:
LED status Dock status
Red Connected to ac power
Power button Indication
When the dock is connected to ac power but not your computer, this indicator shows the dock status:
LED status Dock status
Amber On
Off Off
4ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
When the dock is connected to both your computer and ac power, this indicator shows the computer status:
LED status Computer status
Solid white On
Blinking white slowly (1 second on/off) In sleep mode
Off Off or in hibernation mode
When the dock is updating firmware, this indicator shows the update status:
LED status Firmware update status
Blinking rapidly (0.5 second on/off) Updating
Off Completed
Chapter 1.About the dock 5
6ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
Chapter 2. Set up the dock
Install the dock
Use the accompanying ac power adapter, power cord, and cable to install the dock. The dock supplies
power to the computer when the dock is connected to ac power and your computer.
ThinkPad Universal Thunderbolt 4 Dock
ThinkPad Thunderbolt 4 Workstation Dock
© Copyright Lenovo 2021 7
Update the dock driver and firmware
The dock driver and firmware are preinstalled on compatible computers. The dock is ready for use after you
connect it to your computer and ac power.
It is recommended that you update the dock driver and firmware whenever a new version is available to
improve performance of the dock.
To update the dock driver and firmware:
1. Go to https://www.lenovo.com/support/docks.
2. Select the entry for the dock and then follow the on-screen instructions to download and install the dock
driver and firmware.
3. The driver update takes effect when you restart your computer. The firmware update takes effect when
you reconnect the dock to your computer.
Install Lenovo Dock Manager
Lenovo Dock Manager is designed to provide silent firmware update and device information query.
To download Lenovo Dock Manager, go to https://support.lenovo.com/us/en/solutions/ht037099.
8ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
Chapter 3. Use the dock
Use the video output connectors
The dock has four video output connectors to support up to four external displays:
• One Thunderbolt 4 connector (support DisplayPort 1.4 and Thunderbolt 4)
• Two DisplayPort connectors (support DisplayPort 1.4)
• One HDMI connector (supports HDMI 2.1)
Supported resolutions
Depending on the USB-C connector or Thunderbolt connector on your computer, the dock supports the
following display resolutions:
• One video output connector: up to 7680 x 4320 pixels / 30 Hz (HDMI only)
• Two video output connectors: up to 7680 x 4320 pixels / 30 Hz (HDMI only) and 5120 x 2880 pixels / 60
Hz (Thunderbolt 4 only)
• Three video output connectors: up to 3840 x 2160 pixels / 60 Hz
• Four video output connectors: up to 3840 x 2160 pixels / 60 Hz
To view the maximum display matrix, go to https://www.lenovo.com/support/docks and select the entry for the
dock.
Configure the external displays
You can configure the external displays connected to your dock:
• Set the display mode: extend, mirror or duplicate, or single display.
• Set the orientation, brightness, resolution, color, and more.
To configure the external displays:
1. Right-click a blank area on the desktop and select Display settings.
2. Select the display that you want to configure.
3. Configure display settings of your preference.
For more information, see the Windows help information.
Use the Ethernet connector
You can use the Ethernet connector on the dock to connect your computer to a standard 10 Mbps, 100
Mbps, or 1000 Mbps network with an Ethernet cable.
The Ethernet connector has two network status indicators. When the green indicator is on, the computer is
connected to a LAN. When the yellow indicator blinks, data is being transmitted.
Depending on your computer, some of the following functions are available when the dock is connected to a
LAN.
• Preboot eXecution Environment
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• MAC address Pass Through
• Wake on LAN
• vPro
To view the functions supported by your computer, go to https://support.lenovo.com/us/en/solutions/accs-
guide. Select Network function support – Option Compatibility Matrix. Then follow the on-screen
instructions.
10 ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
Chapter 4. Troubleshooting
General
1. The dock does not work after connected to my computer.
Ensure that:
• You use the accompanying ac power adapter, power cord, and cable.
• The dock is powered by its power adapter. The dock always needs the power adapter for operation.
• The dock driver is installed on your computer.
• The USB-C connector or Thunderbolt connector on your computer works well.
2. The function of wireless keyboard or mouse (2.4 GHz) is interrupted. The mouse pointer lags or
does not move. Some characters are lost when I input by the keyboard.
Connect the wireless device receiver to one of the following connectors on the dock:
• USB 3.2 connector Gen 2 on the front panel
• Right-most USB 3.2 connector Gen 2 on the rear panel
3. The mouse and keyboard cannot wake up my computer when connected to the Always On USB
3.2 connector Gen 2 on the dock.
Connect the mouse or keyboard to another USB connector on the dock.
4. The charging speed for my device, such as a smartphone, is slow.
Connect your device to an Always On USB 3.2 connector Gen 2 on the dock.
5. My computer cannot be charged by the dock.
Ensure that you use the accompanying ac power adapter, power cord, and cable to set up the dock.
Video output
1. The external display is blank.
Ensure that:
• The external display is connected to ac power and turned on.
• Your computer is running correctly and not in standby or hibernation mode. When the computer is in
standby or hibernation mode, the external monitor display is always blank.
• The dock is securely connected to ac power, computer, and external display.
• The dock driver is installed on your computer.
If the problem persists, disconnect all cables from the dock, and uninstall the dock driver. Then, reinstall
the dock driver and reconnect all cables to the dock. See Chapter 2 “Set up the dock” on page 7.
2. The external DisplayPort or HDMI display has no display after I connect a Thunderbolt display to
the dock.
a. Disconnect all external displays from the dock.
b. Connect the DisplayPort or HDMI display to the dock.
c. Connect the Thunderbolt display.
3. The images on the external display flutter.
Ensure that the display cable is securely connected to the dock.
Disconnect and reconnect the display cable.
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4. The computer can play back flash content. However, when I drag the window to the external
display and maximize the window, the playback stops.
Update your Adobe Flash Player program to the latest version.
Audio output
Sound does not come from the headset after connected to the dock.
Ensure that the dock is set as the default audio device:
1. Right-click the speaker icon in the Windows notification area and select Playback devices. The Sound
window is displayed.
2. On the Playback tab, select the dock. Then click Set Default.
3. Click the Recording tab. Select the dock. Then click Set Default.
4. Click OK.
Note: You might need to restart the application that is using the audio device to apply the changes.
12 ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
Appendix A. Accessibility information
Documentation in accessible formats
Lenovo provides electronic documentation in accessible formats, such as properly tagged PDF files or
HyperText Markup Language (HTML) files. Lenovo electronic documentation is developed to ensure that
visually impaired users can read the documentation through a screen reader. Each image in the
documentation also includes adequate alternative text to explain the image so that visually impaired users
can understand the image when they use a screen reader.
To open and view PDF files, your computer must have the Adobe Reader program installed. The Adobe
Reader program also is available for download at:
http://www.adobe.com
© Copyright Lenovo 2021 13
14 ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
Appendix B. Trademarks
LENOVO, the LENOVO logo, THINKPAD®, and the THINKPAD logo are trademarks of Lenovo.
Thunderbolt is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries.
Microsoft and Windows are trademarks of the Microsoft group of companies.
DisplayPort and VESA are trademarks of the Video Electronics Standards Association.
The terms HDMI and HDMI High-Definition Multimedia Interface are trademarks or registered trademarks of
HDMI Licensing LLC in the United States and other countries.
USB-C is a trademark of USB Implementers Forum.
All other trademarks are the property of their respective owners. © 2021 Lenovo.
© Copyright Lenovo 2021 15
16 ThinkPad Universal Thunderbolt 4 Dock ThinkPad Thunderbolt 4 Workstation Dock User Guide
Part Number: SP40M56903
Printed in China
(1P) P/N: SP40M56903
*1PSP40M56903*