Re: ThinkPad 560 questions

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From: Randal Whittle (rwhittle_at_usa.net)
Date: Mon Dec 08 1997 - 11:15:19 EST


At 08:46 AM 12/5/97, Paul Khoury wrote:
>>>3.1. How about connecting an external modem (regular PC modem) to the
>>> serial port? Any problems with this setup?
>>
>> Haven't done it, but the serial port supports 14550-type buffer chip, so I
>>don't foresee any problem in doing so.
>
>Actually, this doesn't sound like an existant chip. I think Randy meant a
16550,

        Yup. That's it. :-)

        It was quite an issue on the 750's, as their external serial port
supported only a 16450-type UART chip, and that just wasn't fast enough for
any decent, fast (then 14.4K) modem.

-------
Randal J. Whittle whittle_at_usc.edu (213) 740-7775
Director, Electronic Commerce Program
Marshall School of Business, University of Southern California


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