Exar Serial Driver Release Notes --------------------------- Notes ----- As of version 1.0.8.01, the P1550 serial port driver (Exar) was broken out of the MSI. It is still built at the same time and versioned the same, but it has its own installation package. Release 3.1.0.19 --------------- (08/06/2007) WIT #590066 - developer usage: new registry value under service name "HKLM\system\CurrentControlSet\Services\ser15x\" RxTrigger (0x1..0x40) which specifies the size in bytes of the receive buffer trigger value. Release 2.2.0.1 --------------- (03/29/2006) WIT #562475 - Made the handshake settings issued by the "mode" command actually take effect.