Iflight F7 TWING uart and motor output conflict

[JustNoLimit]

Current Behavior

20231207_181332_1170868832320713.mp4

Steps to Reproduce

1. If any device is connected to uart 4
2. If any device is connected to uart 5

Expected behavior

GPS doesn’t work on Uart4 or Uart5. Conflicts with M1 servo output. GPS works on Uart2. RX works on Uart1. Servo outputs working on M1 - M4. I know that uart 3 is used for scl and sda but cant use uart 4 and 5.

Suggested solution(s)

I think there is something wrong with output mapping

Additional context

https://pastebin.com/MDszQVYQ

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• FC Board name and vendor: Vendor Iflight, board name F7 TwingG BT
• INAV version string: INAV/IFLIGHTF7_TWING 7.0.0 Dec 5 2023 / 10:05:11 (895a4f3) # GCC-10.3.1 20210824 (release)

[b14ckyy]

checked the target file and I see no assignment conflict on first glance.
can you try with 7.1 and 6.1.1 if anything changes?
anyone has the same FC and can validate? Maybe a hardware fault.