Here is the chain of event, I used s10gx_pcie_devkit_revD.pdf for the schematic of the board.
I try to force the ENA to be high (3.3V) by putting 0 ohms resistor R502. On power up, that burned the CPLD MAX V for some
4. Then, I remove 0 ohms resistor R502 and took out MAX V CPLD from JTAG chain with switch under the board. At that point I was still able to program the FPGA with the bts_config.sof and I was also checking the sequencer with the USB to PMBUS master cable that came with the kit.
5, After some time of monitoring the sequencer with the LTpowerplay program, the MAX V CPLD started to smoke again for no apparent reason. It's only then that I scan the JTAG chain and saw the Stratix 10 was now named "ND4_EMU".
What does "ND4_EMU" means?