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Enabling DASH in Lenovo T495

rkulkarni
Staff
Staff
3 0 7,511

This blog outlines the procedure of enabling DASH in bios and Lenovo T495 has been used for reference.

Quick Steps:

  1. Download latest BIOS for Lenovo-T495 system
  2. Upgrade the Bios n the Lenovo-T495 system
  3. Enable DASH option in Bios
  4. Verify the DASH FW in windows in Realtek Dash Client tool
  5. Verification using DASHCLI tool

Step 1: Download the latest BIOS:

The latest BIOS version available on the web is R12ET49W (1.19):

  1. Navigate to the URL: https://support.lenovo.com/us/en/downloads/ds539877
  2. Download the exe file

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Step 2: Install the BIOS Image on Target

Copy the exe to Target machine. Right click on executable and run it as administrator

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This launches the Install Shield Wizard select language as English

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Click Next


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Accept the License Agreement and click Next

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Click on Install

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Once Finished exit the wizard by clicking Finish

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Further the ThinkPad Bios Flash Update Utility asks for option Select” Update ThinkPad BIOS”
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Further the Bios update is initiated and once completed Restart the system

Step 3: Enable DASH option in the Bios

Once the system is restarted after the Bios gets upgraded, Press F1 to move to Setup Utility

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Switch to security Tab and go to Dash Configuration setting

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Enter DASH Configuration setting and Enable the DASH Support option

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Press F10 to Save and Exit

Step 4: Verify the DASH FW in windows in Realtek Dash Client tool

Once system is rebooted to windows, the required Drivers and Realtek Dash Client is installed.
The DASH FW version can be seen in right end corner of tray icon

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Step 5: Verification Using DASHCLI Tool
After DASH is enabled in system, DASHCLI can be used to verify some of DASH related features

DASHCLI Commands:
1.To verify DASH System is DASH Capable:
dashcli.exe -h <ipaddress> -u <username> -P <password> discover
2. To verify power options available in target system:
dashcli.exe -h <ipaddress> -u <username> -P <password> -t computersystem[0] power availablestates

Useful Links:
1. Downloading DASHCLI & AMC
https://developer.amd.com/tools-for-dmtf-dash/ 
2. Discovering DASH Systems using DASHCLI
https://community.amd.com/community/devgurus/dmtf-dash/blog/2019/04/02/discovering-dash-systems-usin... 
3. Discovering DASH system using AMC
https://community.amd.com/docs/DOC-2193 



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