have tried to mine lbry with x10 with giant b image all share discarded 
Did you use a custom sgminer?
no just the stock image
but it recognize the board, i only plug one board to avoid that others get damaged
i get a hashrate of ~13 ghs which fits to the data sheet 3*~13=40ghs for lbry
i think the is a line of code which avoid mining
Hi,
Restore the X10 image on the X10 SD card
Boot the X10
Rename folder /opt/scripta to /opt/scripta2 on the X10
Copy folder /opt/scripta from Giant B image to X10 (with winscp)
Reboot X10
And try lbry again ...
This will run X10 image with scripta Giant B miner
Thank you very much for yours tests
Tl;dr: Tried it, couldn't get it mining.
Replaced the scripta folder with the one from the giant B, booted, and the miner never seemed to connect to the hash boards. The web interface also showed the default GB pool configs, but the algorithms were blank and the dropdown menus only had options for the Gx10 algos.
Also replaced the var/www folder so the image would have the scripta and web interface from GB but the rest of the image was Gx10. This let me select the GB algos with the GB default pools, but the miner never connected to the hash boards.
Tried restoring the GB image and the miner connects to pools and hash boards, but all shares are discarded. Haven't gotten into the sgminer logs yet to see if I can diagnose why it's rejecting all shares.
The most interesting thing I think is that with the default GB image, the FPGA clocks from 300MHz up to 400MHz. This means that the sgminer build is setting clock speed somehow and the STMicro controller is just interpreting an instruction set from sgminer to the FPGA chips.
Overclock Baikal X10 to 400mhz possible ?