Dear all, Pls help me with the following issue: I want to run a transceiver having motorola c115… i follow the procedure described in CalypsoBTS page : http://osmocom.org/projects/baseband/wiki/CalypsoBTS without chainloader i get: /home/ubuntu# /home/ubuntu/trx/src/host/osmocon/./osmocon -m c123xor -p /dev/ttyUSB0 /home/ubuntu/trx/src/target/firmware/board/compal_e88/trx.highram.bin got 7 bytes from modem, data looks like: 66 74 6d 74 6f 6f 6c ftmtool Received FTMTOOL from phone, ramloader has aborted got 1 bytes from modem, data looks like: 65 e got 1 bytes from modem, data looks like: c1 . got 1 bytes from modem, data looks like: 66 f and with chainloader i get: /home/ubuntu# /home/ubuntu/trx/src/host/osmocon/./osmocon -m c123xor -p /dev/ttyUSB0 -c /home/ubuntu/trx/src/target/firmware/board/compal_e88/trx.highram.bin got 2 bytes from modem, data looks like: 04 81 .. got 5 bytes from modem, data looks like: 1b f6 02 00 41 ....A got 1 bytes from modem, data looks like: 01 . got 1 bytes from modem, data looks like: 40 @ Received PROMPT1 from phone, responding with CMD read_file(chainloader): file_size=32, hdr_len=4, dnload_len=39 got 1 bytes from modem, data looks like: 00 . it seems with chainloader it is trying to do more but still stuck…. pls help…. Mario -- Mario Lucas