Please, if anybody knows about Dallas microcontrollers mailing list, let me know! Or may be this is PIC problem? I am trying to establish serial communication between Dallas DS320 and PIC16C63 on Dallas' second serial port. Serial ports for DAllas are set the same way. And while on first serial port 320 receives about 300 characters side by side just fine (from another Dallas chip), in communication with PIC (just 3 bytes!) second byte appeares to be lost. And sometimes first byte is lost, depending on delay between bytes sent from PIC (currently I have 3mS delay). If anyone experienced problem like this, please guide me. Thank you, Gennady Palitsky Jefferson Audio Video Systems gennadyp@mainlink.net