Quatech RS-232 user manual

Page 21

Figure 8--- Windows Device Manager

6.The ESC(LP)-100 serial ports are also listed under the group Ports (COM and LPT). Windows 95 does not assign COM1-COM4 to ports addressed at nonstandard locations. The ESC(LP)-100 ports will be enumerated starting with COM5 (or higher) even if lower logical numbers are available.

7.Select any of the Quatech Serial Ports listed under the group Port (COM and LPT) and click the "Properties" button. This action opens a properties dialog for the specific COM port on the ESC(LP)-100.

8.Click the "Port Settings" tab and then click the "Advanced" button. The ESC(LP)-100 driver will display a custom Advanced Port Settings control, which allows the ports UART compatibility mode and FIFO threshold levels to be configured. The threshold values of full-scale for the transmit buffer and ¾ -scale for the receive buffer shown below are optimal for most applications. Note that the FIFO option for each of the ESC(LP)-100's eight ports is configured independently.

ESC(LP)-100 User's Manual

15

Image 21
Contents ESCLP-100 Warranty Information Iii Declaration of Conformity Changing Resource Settings with Device Manager Base Address and Interrupt Level IRQEnhanced Serial Adapter Identification Page General Information Hardware Configuration Hardware Installation Port Address Range Interrupt Status Register Enabling the Special RegistersBit Name Description Options RegisterRR1 RR0 Clock Rate MultiplierWindows Millennium Windows ConfigurationsWindows Windows Page Using the New Hardware Found Wizard Page Viewing Resources with Device Manager Page Page ESCLP-100 Eight-Port RS-232 Serial Adapter Page Page Page Page Page Windows NT OS/2DOS and other operating systems Page QTPCI.EXE QTPCI.EXE Expert Mode display External Connections RS-232 INTA# ISL4245EIR Page Computer will not boot up ESCLP-100 Revision December