Actiontec electronic DataLink V.90 PC Card Fax Modem PCMCIA - Manual (Page 7)

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2 Before You Begin
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DataLink V.90 PCMCIA Fax Modem
3. To run Point Enabler, enter the following at the DOS prompt:
pmxfm c=x i=y
and then press the Enter key on the keyboard. In the entry above, x
specifies the COM port number (1-4) and y specifies the Interrupt (IRQ)
used (1-15). Using 3 for the COM port and 9 for the IRQ works in
most computers.
4. Once the driver software is loaded and working correctly, add the entry to
your autoexec.bat file to run Point Enabler every time the computer is
turned on. Example:
pmxfm c=3 i=9
5. The config.sys file may need to be modified to exclude an address range
when using Point Enabler. The two examples below show the most
effective ranges and work with the majority of computers. Example A
shows the most common exclusion range. Example B is an alternative if
Example A does not work. Add a line to your config.sys file, as follows:
Example A:
device=c:\dos\emm386.exe noems x=d000-dfff
Example B:
device=c:\dos\emm386.exe noems x=c800-c8ff x=d000-dfff
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Note: Point Enabler is used for computers without Card
and Socket Services software only. Also, Point Enabler
operates in the DOS and Windows 3.1x environment exclusively.
Do not use Point Enabler with a Cardbus-capable notebook
computer or a computer running the Windows 95 (or newer)
operating system.
The computer is configured to use the Modem. Next, go to chapter 3, “Installing
the Modem,” to continue installing and configuring the Modem.