3votes
1 answer
126views
Patching the Intel X520 EEPROM (IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP bit) to unlock all SFP+ transceivers
The thread starter documented that 82599-based X520 cards carry an undocumented EEPROM bit (IXGBEDEVICECAPSALLOWANYSFP, lowest bit of the capability word at byte offset 0x58, typically 0xFC locked / 0xFD unlocked) that decides whether non-Intel active SFP+ modules are accepted on ESXi and Windows…