Thunderbolt 1/2 device can't be detected after updated Thunderbolt4 FW to NVM36.

After updated the FW of ThunderboltEX 4 card to NVM 36, or after updated BIOS newer than 2201 of Z690 series MB which has onboard thunderbolt 4, Thunderbolt 1/2 devices cannot be detected anymore.

After Intel update thunderbolt FW version to NVM 36, it no longer support thunderbolt1/2, and can only support Thunderbolt 3/4 devices now.

The onboard thunderbolt FW of MB is built-in BIOS. If you still want to use Thunderbolt 1/2 devices, please help do not update the new FW of ThunderboltEX 4 card and BIOS which newer than 2201.

Related Models:

Card: 

ThunderboltEX 4 card

MB :

ROG MAXIMUS Z690 EXTREME GLACIAL
ROG MAXIMUS Z690 EXTREME
ROG MAXIMUS Z690 FORMULA
ROG MAXIMUS Z690 HERO
ROG STRIX Z690-I GAMING WIFI
ProArt Z690-CREATOR WIFI

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