FPGA, SoC, And CPLD Boards And Kits
FPGA Evaluation and Development Kits
Intel Support hours are Monday-Fridays, 8am-5pm PST, except Holidays. Thanks to our community members who provide support during our down time or before we get to your questions. We appreciate you!

Need Forum Guidance? Click here
Search our FPGA Knowledge Articles here.
5241 Discussions

LTSSM in State 0xF, but BIOS does not POST


I have an Arria 10 SoC connected to a PC's PCIe Gen3x16 Slot. The connector is an FMC to PCIe x8 connector. I can see using Signal Tap that the FPGA's LTSSM in state 0xF. However BIOS does not POST.


With the FPGA disconnected, the PC boots up just fine. Also if I replace the FPGA with another card, the PC boots up just fine.


The exact same setup, same design, cables, has worked successfully on another motherboard.


What should I be looking at next? Any ideas?

0 Kudos
0 Replies