Chapter 8 Field Upgrade
AVN422HD User’s Manual
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8.3 Updating Firmware Components
Each firmware component must be updated independently, but not all components will always
need to be updated. The Root File System is the most likely to change, and therefore the most
likely to require updating. If two or more image/components need to be updated, the updates
must be performed in the following order:
— Root File System
— Linux Kernel
— Boot Loader, and
— Configuration Partition (not currently implemented).
Warning: Failure to upgrade the firmware components in the proper order can
cause the AVN422HD to become non-operational and require that it
be reprogrammed by VSI at customer’s expense.
However, only out-of-date components need to be updated. For example, if both the Root File
System and the Boot Loader components are out-of-date, you would update the Root File
System component first and the Boot Loader second. The Linux Kernel, which is not out-of-date
in this example, would not need to be updated. If it did, you would update it after the Root File
System and before the Boot Loader.
Only one firmware component can be updated at a time.
8.3.1 General Firmware Component Update Procedure
Note:
In order to use the general firmware component update procedures, the
AVN422HD will need to be on a network that has access to the Internet, and all
the network settings, including the Gateway and DNS addresses, will need to be
configured correctly. If this information is not configured correctly, the device will
not be able to download the required firmware files and the "Upgrade" buttons will
be disabled.
8.3.1.1 Browser Interface
1. Open the Browser Interface.
2. Navigate to the Administration Upgrade page (refer to section
6.7 Administration Page
).
3. Determine which firmware components need updating by comparing the Current Version
information to the Latest Version information.
4. Click on the
Upgrade Latest
button for the firmware component to upgrade.
**IMPORTANT**
Remember to upgrade the firmware components in order as described
above in section
8.3 Updating Firmware Components
.
5. Select
Yes
when prompted to proceed with the component upgrade.
