Vertiv Avocent acs800 Instruction Manual

Avocent® ACS800/8000

Advanced Console System

USB Recovery Technical Note

Vertiv | ACS800/8000 System USB Recovery Tech Bulletin | 7.13.17 2

Technical Support Site

If you encounter any installation or operational issues with your product, check the pertinent section of this manual to see if the issue

can be resolved by following outlined procedures. For additional assistance, visit https://www.VertivCo.com/en-us/support/.

Vertiv | ACS800/8000 System USB Recovery Tech Bulletin | 7.13.17 3

RECOVERING THE CONSOLE SYSTEM

If the firmware in Avocent® ACS800/8000 advanced console system is corrupted, the unit must be recovered. This

issue can be resolved via the system USB drive.

Creating a USB Drive

Download the latest “.fl” file, then rename the firmware-ngacs.fl file and copy it to the target thumb drive. After this is

complete, you can boot the ACS console system off of the USB drive.

To boot the console system from the USB drive:

1. Insert the thumb drive into any USB port on the ACS800/8000 advanced console system.

2. Turn on the ACS system and stop in U-boot.

NOTE: Press any key to stop autoboot.

3. From the U-boot prompt, display the U-boot version.

U-Boot > ver

4. At the end of the U-Boot …version string, if “ACS 1.17” or references to a later version are listed, then your

U-Boot is up to date. However, if the U-Boot environment is out of date, use the following commands to

proceed.

U-Boot > setenv usbboot ‘usb_boot single’

U-Boot > saveenv

U-Boot > run usbboot

-or-

At the end of the U-Boot …version string, if “ACS 1.xx” is listed (where xx is less than .17), then although the

U-Boot is out of date, it can still boot a ramboot.itb from the USB drive. In this case, enter the following

command.

U-Boot > run usbboot

5. The Avocent® ACS800/8000 advanced console system then boots to a bash prompt.

6. Proceed to the next section to recover the flash operations from this prompt.

Vertiv | ACS800/8000 System USB Recovery Tech Bulletin | 7.13.17 4

To attempt to recover flash operations from the bash prompt:

1. Run the recover-flash.sh script to initialize the eMMC partitions and install firmware.

bash-4.3# revocer-flash.sh

2. When the warning message appears, enter

to confirm the two prompts.

Proceed (yes/NO) ? y

Are you absolutely sure you want to proceed (yes/NO) ? y

3. A reboot should automatically occur. If this procedure completes successfully, the WebUI is now

accessible and a normal firmware upgrade can be performed to move the system to the desired firmware

version.

Vertiv | ACS800/8000 System USB Recovery Tech Bulletin | 7.13.17 5

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VertivCo.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA

names, trademarks or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness herein, Vertiv

Co. assumes no responsibility, and disclaims all liability, for damages resulting from use of this information or for any errors or omissions. Specifications are subject to

change without notice.

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