52 Advanced Features
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Integrated Devices — Configures the following devices integrated with the
system board:
• Sound — Settings are On (default) or Off.
• USB Controller — Settings are On or Off.
• Network Interface Controller — Settings are On (default), Off, or On w/
PXE.
• Mouse Port — Settings are On or Off.
• Serial Port 1 and Serial Port 2 — Settings are Off and Auto (default).
Auto automatically configures a connector to a particular designation (COM1
or COM3 for Serial Port 1; COM2 or COM4 for Serial Port 2).
If you set a serial connector to Auto and add a card containing a connector
configured to the same designation, the computer automatically remaps the
integrated port to the next available connector designation that shares the
same IRQ setting as follows:
– COM1 (I/O address 3F8h), which shares IRQ4 with COM3, is remapped to
COM3 (I/O address 3E8h).
– COM2 (I/O address 2F8h), which shares IRQ3 with COM4, is remapped to
COM4 (I/O address 2E8h).
NOTE: When two COM connectors share an IRQ setting, you can use either
connector as necessary, but you may not be able to use them both at the same
time. If you are running the Microsoft Windows 95 or IBM
®
OS/2
®
operating
system, you cannot use both serial connectors at the same time. If the second
connector (COM3 or COM4) is also in use, the integrated connector is turned off.
• Parallel Port — The settings are Mode, I/O Address, and DMA Channel.
Mode settings are PS/2, EPP, ECP, AT, or Off. Set the Mode option according
to the type of device connected to the parallel connector. To determine the
correct mode to use, see the documentation that came with the device.
I/O Address settings are 378h (default), 278h, or 3BCh. The settings are not
available when Mode is set to Off.
NOTE: You cannot set the parallel connector to 3BCh if Mode is set to EPP.
DMA Channel appears only when Mode is set to ECP. Settings are DMA 1,
DMA 3, or Off.
• IDE Drive Interface — The settings are Off and Auto (default).
Auto turns off the IDE interface when necessary to accommodate a controller
card installed in an expansion slot.
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