Quatech Asynchronous Communications Adapter for PCI bus DSCLP/SSCLP-100 User Manual page 26

X4
X8
6. Double click the hardware class Ports (Com and LPT). Each
Quatech PCI Serial Port listed in this class is a "child device" of the
DSCLP-100 "parent device."
7. Open the Properties dialog for a COM port, then click the Port
Properties tab to view the settings for that port.
26
for legacy applicattions which cannot
request baud rates over 115,200
The X4 clock mode locks the ports
hardware clock at four times the
standard rate. The baud rate the port
460,800 runs at will always be four times the rate
requested by the application. This mode
is useful for legacy applications which
cannot request baud rates over 115.200.
The X8 clock mode locks the ports
hardware clock at eight times the
standard rate. The baud rate the port
runs at will always be eight times the
921,600
rate requested by the application. This
mode is useful for legacy applications
which cannot request baud rates over
115.200.
DSCLP/SSCLP-100 User's Manual