Looks like the RCB is set to 64 bytes in the Link Control Register of the root complex and FPGA:
I don't quite understand why that translates into a maximum payload of 128 bytes, but I'll worry about it later.
Code:
LnkCtl:ASPM Disabled; [b]RCB 64 bytes[/b], Disabled- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-Statistics: Posted by corestar — Tue Feb 06, 2024 11:32 pm