Lenovo 3724, 3836, 3809, 3826, 3824, 3808, 3815, 3817 In-band manual recovery method

Models: 3836 3826 3824 3817 3809 3808 3815 3724

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To download the server firmware update package from the World Wide Web, do the following:

Note: Changes are made periodically to the Lenovo Web site. The actual procedure might vary slightly from what is described in this document.

1.Go to: http://www.lenovo.com/support.

2.Enter your product number (machine type and model number) or select Servers and Storage from the Select your product list.

3.From Family list, select ThinkServer TD200, and click Continue.

4.Click Downloads and drivers to download firmware updates.

The flash memory of the server consists of a primary bank and a backup bank. It is essential that you maintain the backup bank with a bootable firmware image. If the primary bank becomes corrupted, you can either manually boot the backup bank with the boot block jumper, or in the case of image corruption, this will occur automatically with the Automated Boot Recovery function.

In-band manual recovery method

To recover the server firmware and restore the server operation to the primary bank, do the following:

1.Read the safety information (see “Safety” on page vii, “Handling static-sensitive devices” on page 39, and “Working inside the server with the power on” on page 38).

2.Turn off the server, and disconnect all power cords and external cables.

3.Unlock and remove the server cover (see “Removing the side cover” on page 43).

4.Locate the UEFI boot recovery jumper (JP6) on the system board.

1 UEFI boot recover jumper (JP6) 2 Clear CMOS jumper (JP1)

3 SW6 switch block

5.Move the jumper from pins 1 and 2 to pins 2 and 3 to enable the UEFI recovery mode.

Chapter 6. Configuring the server 153

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Lenovo 3724, 3836, 3809, 3826, 3824, 3808, 3815, 3817 In-band manual recovery method