This is the release 1.1 used at the Fe55 test.
The FPGA bit file for v1.1 can be found at: (need internal web)
http://cepcvtx.ihep.ac.cn/kc705/kc705_20180205.bit
The firmware info can be found at:
https://github.com/cepc/kc705/blob/master/doc/Firmware_v1.1_Info.md