AT Ethernet Driver
Support Models

Lenovo ThinkStation

View Less Models
Operating Systems

Windows 10

Version

221.0.5.0

Support Device

LAN

Revision

1

This package installs the software to enable the following device.

Device name Device name in the Device Manager

------------------------ ---------------------------------

AT-2911SXa/LC Allied Telesis AT-2911XXa Gigabit Fiber Ethernet

Refer to marketing materials to find out what computer models support which devices.

This program is language independent and can be used with any language system.

[Security updates]

- Nothing

[Important updates]

- Nothing

[New functions]

- Nothing

[Problem fixes]

- Nothing

Nothing

Nothing

1. Right-click Windows logo on taskbar.

2. Select Device Manager.

3. Double-click Network adapters category.

4. Double-click Device

5. Select Driver tab.

6. Check Driver version.

Nothing

Manual Install

1. Locate the folder where the file was downloaded.

2. Locate the "Setup.exe" that was downloaded and double-click/double-tap it.

3. Follow the instructions on the screen.

4. In the Ready to Install window, select Install/next.

5. Follow the instructions on the screen to complete installation and select Finish.

Unattended Install

1. At the command line, execute Setup.exe /VERYSILENT option.

Example: [Path where the files were extracted]\Setup.exe /VERYSILENT

Manual Uninstall

Note: This procedure assumes the above installation process was successful.

This uninstallation procedure is specific only to the version of the driver and

installation files included in this package.

1. Locate the folder where the file was downloaded.

2. Locate the "Setup.exe" that was downloaded and double-click/double-tap it.

3. Follow the instructions on the screen.

4. In the Ready to Install window, select Uninstall/next.

5. Follow the instructions on the screen to complete installation and select Finish.

The following versions have been released to date.

Version Build ID Rev. Release Date

---------------- -------------- ---- ----------

221.0.5.0 UMETN001D 01 2025/11/28

Note: Revision number (Rev.) is for administrative purpose of this README

document and is not related to software version. There is no need to

upgrade this software when the revision number changes.

To check the version of software, refer to the Determining which version is

installed section.

Summary of Changes

Where: < > Package version number

[Security] Security enhancements and mitigations

[Important] Important update

(New) New function or enhancement

(Fix) Correction to existing function

<221.0.5.0> (UMETN001D)

-(New) First release

* Lenovo and ThinkStation are registered trademarks of Lenovo.

* Intel is a registered trademark of Intel Corporation.

* Microsoft and Windows are registered trademarks of Microsoft Corporation.

Other company, product, and service names may be registered trademarks,

trademarks or service marks of others.