Installing a Non-Plug-n-Play Internal Modem 15
If your modem board resembles the one below, with the cylindrical
onboard speaker located in the upper lefthand corner, the
locations of jumper blocks JP1, JP2, JP3, and JP4 should appear
the way they do below.
Jumper Locations
JP1
JP4
JP3
JP2
The jumper diagram above shows the default factory settings for
your fax modem. The jumper JP2 is set for Plug-n-Play mode, which
is used by Windows 95 and 98 computers.
Jumper Function
JP1 Sets the IRQ
JP3, JP4 Set the port address
JP2 Selects either jumpered configuration or Plug-n-Play (default)
To disable the board’s Plug-n-Play feature for Windows 3.1, 3.11,
NT 4.0, and DOS installation, make sure the JP2 jumper is over the
right and center pins.
Plug-n-Play Disabled
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