"[EMAIL PROTECTED]" ha scritto:
> Well, after running a modem diagnostics in which the modem turned on but
> gave no response otherwise, I took it off the main computer and put it on
> my old 486 laptop. Used the same cord, etc. w95 laptop recognized the
> modem immediately, type and all, and installed it happily. Modem behaved
> appropriately.
> Win98 no longer has it in it's list of things and it must be installed
> manually with the updated manufacturers drivers and the win95 cd.
> I tested the com ports on the main machine and they tested good.
> So, modem tests out, drivers and software are the same as before I changed
> the board, just reinstalled, and ports check out.
> Only thing left is the UART. modem uses UART 16550A and Computer uses
> UART 16550APN
There is no "software" difference from 16550A and 16550AFN. Are you sure about
'A' after 16650? I know 16650 chips wthout 'A' get serious trouble with their
FIFOS.
>
> This, I believe, is the problem. I also know there is a patch somewhere
> out there for this problem, but I do not know what it's called or how to
> find it.
> I'd like any help available.
>
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