Richard Town wrote in a message to Mike Farrill:
 RT> The UART on an internal is not a serialparalell data stream
 RT> convertor since internal modems integrate directly with your data
 RT> bus which is already paralell.  That's why there's no genuine,
 RT> discrete National Semiconductor NS16550AFN (or equiv) on an
 RT> internal.  But an "emulated" 16550 UART with the same buffer
 RT> functions and configurable like your computer's real UART attached
 RT> to your external comports
Just for interest, on at least one internal modem there is a real 16550 chip 
-- Sportster 2400 with an 16550AFN hiding under the speaker.  It was 
originally an Exar 16450 but was replaced by a NS16550AFN when the modem was 
repaired after the computer power supply fried.
Regards,
       David
--- timEd/2 1.10+
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