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ISA/Plug -and-Play Mode
Vanguard 100 PC supports Plug-and-Play capability. A set of jumpers on the
Vanguard 100 PC motherboard allows you to select between ISA and Plug-and-
Play, as shown in Figure 1-5.
For Plug-and-Play to be in effect, the jumper must be set to PnP Mode, and you
must be running software on your PC that supports Plug-and-Play. Then the COM
and IRQ settings on the Vanguard 100 PC are ignored, and the PC software
determines the settings to configure the board.
If the jumper is in the ISA position, you must manually determine and set your
COM and IRQ settings, as described in the following section.
Note: If you are operating the Vanguard 100 PC in Plug-and Play mode, you
must move the IRQ jumper on the board into the "Not In Use" position, as
shown in Figure 2-6.
COM Port and Interrupt Settings
You can configure the Vanguard 100 PC to be COM 2, 3, 4, or 5. If your
computer is equipped with one or more COM ports, you may need to change the
COM port setting on the Vanguard 100 PC, or disable the PC's built- in COM port.
Most IBM compatible PCs contain two built- in ports for serial asynchronous
Figure 1-4. Jumper Locations
Figure 1-5. ISA/Plug-and-Play Jumper Settings
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