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1994-03-29
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45 lines
2-16-94 IDE/serial card combos
A problem with internal modems can come when a computer uses an IDE
controller card that has built-in serial ports. Often the modem will not
work (com 3/4) or the mouse (com 1/2) will not work when the modem is
installed. This is more likely to happen with a high-speed modem than an
old 2400. An IDE controller, and seperate comport card works OK.
Even with the serial ports on the IDE disabled, the problem can
persist. If you are unsure if you have an IDE/serial, just look inside your
computer and if there are cables from the Hard Drive controller going to
the ports, you have the IDE in question.
>>> I have one of those IDE combos, and in order to get internal modems to
work, I had to put my Mouse on com2, modem on serial 1, modem on com3,
modem on com4/irq5. They would NOT work set any way, with mouse on COM1.
>>>Another person found even his >>external<< had to be on one and mouse on
two, with no other installed cards.
> I had one dealer on the phone who had an IDE/serial card in a computer
he was setting up. Portutil (with MTEZ) scrambled the screen and went back
to prompt. He took out the IDE/serial and put in a plain IDE (while he was
still on the phone) and Portutil and MTEZ would both work. He then put in
a plain serial card (for Com1/2).
There have been a few reports of the modem making noises, which stop
after the modem has been initialized. You can make a 1 line file to
initialize the modem from your autoexec.bat as follows:
C:\>copy con atf.txt (type at the C:\> dos prompt)
AT&F (type this line)
^Z (press Ctrl-C) then [Enter]
Then in your autoexec.bat enter this line:
copy atf.txt com3 (or com4)
* If all else fails, you may need to use an external modem.
Don Hinds - Zoom Tech
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