Can I program my BeMicro CV A9 with Separate JTAG configuration header??

I have just tried but don't works.

And for me the same result

I think that only one USB blaster at time can send TCK over Jtag, maybe desoldering some resistor can enable external USB blaster (built-in is slow?)

I finally decided not to use Separate JTAG configuration header at all. But maybe it (desoldering some resistor) can work)

All boards with embedded USB Blaster II have a header connected to MAX V JTAG pins for initial programming, partly unpopulated. If there's one 10-pin header and no other connection to MAX V dedicated JTAG pins, I would expect it's for MAX V programming only.

I reviewed the Dev Kit schematic and found that the board has a separate JTAG header for MAX V programming. The hardware connections suggest that an external USB Blaster can be routed to CV JTAG by a software option, but it may be unsupported in actual MAX V FPGA.

Here is official response from BeMicro team: