9600 baud 8 bit no parity 1 stop trans delay 0/char 0/line no flow control crc2.com, waited 20 seconds before send of file end of code at 15CH. crc3.com, waited 10 seconds before send of file end of code at 15CH. crc4crc.com, waited 15 seconds before send of file end of code at 25CH crc5.com waited 25 seconds? before send of file end of code at 15CH crc6.com waited 20 seconds end of code at 25CH crc7.com waited 25 seconds end of code at 15cH crc8.com waited 10 seconds end of code at 15Ch crc9.com waited 15 seconds end of code at 25cH Ran CRC4.COM!!!! >crc4 crc4.com CRCK ver 3.0 --> FILE: CRC4 .COM CRC = E7 99 DONE a>crc4 crc6.com CRCK ver 3.0 --> FILE: CRC6 .COM CRC = E7 99 DONE a>crc4 crc9.com CRCK ver 3.0 --> FILE: CRC9 .COM CRC = E7 99 DONE a> Ran CRC9, same result