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ISA I/O Card User’s Guide
22 Windows NT 4.0 Driver Installation Guide
A Setup window will appear. Select the appropriate settings
and then click the OK button.
Enable Auto CTS/RTS Flow Control
Enable Auto CTS/RTS Flow Control means the CTS/RTS
flow control is controlled by hardware automatically. Your
System will be more stable if this function is enabled.
16 Byte FIFO Buffers
If your card can support a 32-byte FIFO, you can select ei-
ther a 16 or a 32-byte FIFO. If your card can support a 64-
byte FIFO, you can select 64, 32 or 16-byte FIFO. The de-
fault value is a 16-byte FIFO.
Receive Trigger (Buffer) Level
Setting the Receive Trigger (Buffer) Level to a higher value
will provide faster performance because the interrupts will
be reduced, and the time for the interrupt service routine will
be lessened. A receive buffer overflow will occur if the CPU
speed is too slow to handle the overflow. If the system is not
stable, select the lower value to correct the problem.