Xerox Paris, a document system Support & Software User Guide
Chapter 2
80
The Paris Spooler Technical Manual
Windows 3.0 support of UART
Windows 3.0 does not support the advanced first-in first-out (FIFO) buffer feature
of the 16550A UART. It supports the 16550 and 16550A as a standard 8250
UART.
of the 16550A UART. It supports the 16550 and 16550A as a standard 8250
UART.
Identifying the UART chip in your PC
The Microsoft Diagnostic utility (MSD) supplied with MS-DOS will easily allow
you to identify the various components of your PC, including the UART chip.
you to identify the various components of your PC, including the UART chip.
MSD is run from the DOS prompt simply by typing MSD. The option for COM
ports will display all details including which UART chip is being used.
ports will display all details including which UART chip is being used.
If you find that you have an older 8250 or 16450 UART, you should check with
your PC dealer about upgrading your I/O board to one with a 16550A UART.
your PC dealer about upgrading your I/O board to one with a 16550A UART.
The information on the following pages is for the Cybercom.drv high speed
(16550AF) Windows serial port driver from Cybersoft Corp. This driver allows
Windows to take full advantage of the 16550 UART chip.
(16550AF) Windows serial port driver from Cybersoft Corp. This driver allows
Windows to take full advantage of the 16550 UART chip.