Lenovo M.2 Controller Log Collection
M.2 Controller Log Collection Operation Guide
1. Copy the two files efi and M2datacollection to a USB drive. Do not place any other files in the USB drive.
2. Insert the USB drive. After the customer machine restarts (do not power off), enter the UEFI page and select the option highlighted in yellow below.
3. Then, follow the steps to sequentially select the options highlighted in yellow (press Enter).
4. Select FS1 (the default is FS1; you can correspond to the information HD or MBR keywords in the FS1 option), then press the Esc key to enter Shell>.
If the loaded information is too long and FS0 and FS1 are not visible, you can type map -b in the shell and press Enter to page through the list.
5. In the shell, type FS1: and press Enter.
Enter dir
Open M2datacollection, then use dir to list the files.
Enter the command mvsetup.efi event > m2events.txt (note that there must be spaces before and after the > symbol), as shown in the figure below.
Next, enter the command: mvf.efi -rfb backup.bin -addr 0x0 -sz 0x200000 -cdid 9230 -adid 0
You can use dir to view the two log files highlighted in yellow generated. Send these two log files to the backend.
Images localized into English for illustration; labels may vary by product version.