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- Newsgroups: comp.sys.ibm.pc.hardware
- Subject: Re: 8250 or 16450 UART?
- Message-ID: <1992Nov11.170014.1@ualr.edu>
- From: djlewis@ualr.edu
- Date: 11 Nov 92 17:00:14 GMT
- References: <1dn9v5INNcmg@usenet.INS.CWRU.Edu> <rdippold.721446706@qualcom>
- Organization: University of Arkansas at Little Rock
- Nntp-Posting-Host: spider.ualr.edu
- Lines: 29
-
- In article <rdippold.721446706@qualcom>, rdippold@qualcom.qualcomm.com (Ron Dippold) writes:
- > bi927@cleveland.Freenet.Edu (Yi Jin) writes:
- >>I recently ran "msd" from windows3.1. I was suprized to see that my IDE
- >>2HD/2FD I/O card on;ly has 8250UART. Then I ran an old version of the
- >>landmark tester utility. It tells me that I have 16450 UART. So what
- >>exactly that I/O use? I would really be pissed off if my 486DX-33 uses
- >>8250UART.
- >
- > Most UART detection programs seem to be fooled by Windows 3.1's
- > virtualization, but MSD tells the truth, as far as I've been able to
- > tell. If it says you only have an 8250 then you only have an 8250.
- > That's why you get more COM ports..
- >
- > Different programs will say you alternately have an 8250 or a 16450
- > because they look the same to the software - it can display either, so
- > it just shows one.
- >
- > --
- > If you eliminate smoking and gambling, you will be amazed to find that almost
- > all an Englishman's pleasures can be, and mostly are, shared by his dog.
- > -- G. B. Shaw
- I was installing a MCT-?? 2-serial/parallel/game card in a 286 machine,
- wirh 8250 UART's and there was a switch setting that made MSD report
- as 2 16550 serial ports. This was of course bogus.
-
- Don
- djlewis@ualr.edu
-
-
-