UART (16550) support for UnixWare 2.1.2

Where can I view/change configuration parameters for FIFO serial ports in UnixWare 2.1.2? In SCO I found TTYHOG and NCLIST, what about UnixWare?
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ddaAsked:
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chris_calabreseConnect With a Mentor Commented:
No special tweaking is needed in UnixWare 2.x to support a 16550 UART, but see the UnixWare FAQ on high-speed serial setup at http://www.freebird.org/faq/trouble.html#t17 (actually works even if you don't have a 16550, though it requires more work from the CPU).
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ddaAuthor Commented:
Ok, thanks. A I've found some PTF was issued by SCO to fix problems with serial communications, but it didn't solve the problem. And at last we've changed motherboard :)

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