nokia n900 flashing
 

I have a n900 that i can't flash mcu. The emmc file i can write it but when i try to flash the Fiasco file i allways get this:
Found device RX-51, hardware revision 2104
NOLO version 1.4.14
Version of 'sw-release': RX-51_2009SE_21.2011.38-1.003_PR_00
Sending xloader image (14 kB)...
100% (14 of 0 kB, avg. 14 kB/s)
Sending secondary image (106 kB)...
100% (106 of 0 kB, avg. 106 kB/s)
Flashing bootloader... done.
Sending cmt-2nd image (79 kB)...
100% (79 of 0 kB, avg. 79 kB/s)
Sending cmt-algo image (507 kB)...
100% (507 of 0 kB, avg. 507 kB/s)
Sending cmt-mcusw image (5826 kB)...
100% (5826 of 0 kB, avg. 5826 kB/s)
Flashing cmt-mcusw... Sending request 0x50 failed: No error

I tried with maemo flasher 3.5 and with mxkey but doesn't work.