NMC-4006 NVM upgrade from V5.05 /V6.01 to V6.80

Attention please:

The nvmupdate utility only supports NMC’s NVM upgraded, it doesn’t support NVM downgraded.

1. This FAQ and nvmupgarde utility are only for Advantech NMC-4006, please don't use this utility to flash PCIE-2320 NVM

2. Please  refer following table to check network driver version, and we recommend upgrading latest driver before upgrading NVM