Re: T-Port vs. TurboExpress Port 920 -- Which is better?

[gchan@xxxxxxxx (Gary Chan)]

The spec does confirm the 16750 UART has only 64 bytes buffer.
In the case of Signal Cable with 19200 baud transmission rate, it could fill up
the buffer in about 0.03 second when the CPU is "busy" and not listening
to the serial port. (T-Port card allows about 8 seconds buffer)

Does the ExpressCard 920 driver do anything special in case the buffer is
filled up?

Thanks

Gary Chan



	
> 
>          EXPRESSCARD 920 FEATURES
>          , Plug and Play for automatic configuration
>           in Windows 95 and NT 4.0.
>          9 One or two RS232e ports.
>          & Slot requirement: One 16-bit ISA slot.
>          o Baud rate range: 14.5 baud to 921.6 Kbaud.
>          o UART Clock Speed: 14.7456 MHz.
>          o UART type: 16750 UARI'(s) with 64-byte
>           FIFOs and UART-assisted HW flow control.



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