Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
Mcr.Bits.Rts= 0;\r
WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);\r
Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
Mcr.Bits.Rts= 0;\r
WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);\r