The P4XE-ANB Mainboard
Page 33
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VIA-3058 AC97 Audio
If you want to enable the on-chip audio capabilities of your system you
need use the default setting “Auto”. If you install an add on sound card you
must disable this field.
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Onboard FDC Controller
Select Enabled if your system has a floppy disk controller (FDC) installed on
the system board and you want to use it. If you install an add-in FDC or
the system has no floppy drive, select Disabled in this field.
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Onboard Serial Port 1/2
These two selection fields allow you to select the I/O address and corre-
sponding interrupts for the first and second serial port.
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UART Mode Select
Your system may offer a variety of infrared modes on the second serial
port. The options are Standard, HPSIR or ASKIR.
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RxD, TxD Active
This field allows you to set the IR reception/transmission polarity as high or
low. To determine which polarity is appropriate you must refer to the docu-
mentation for your IR peripheral.
This field is usually found under the Onboard Serial Port 2 option. If you
disable the Onboard Serial Port 2 option then you will probably not be able
to configure this field.
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IR Transmission Delay
This field allows you to “Enable” or “Disable” the IR Transmission Delay.
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UR2 Duplex Mode
This field appears in an infrared port mode. You have two options: half or
full duplex function. The full duplex mode allows bi-directional transmission
at a single time where as the half duplex mode only allows transmission in
one direction at a time. This setting manual to determine the appropriate
setting.depends on the nature of your IR peripheral device. Check the IR
device’s
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Use IR Pins
To determine the correct settings for the TxD and RxD signals of your IR
peripheral component, you need to consult the components manual.
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Onboard Parallel Port
This item allows you to determine the I/O address and the IRQ for the on-
board parallel port. The default settings are adequate and should not give
you any problems. If they do you can try to change them.
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Onboard Parallel Mode
This field allows you to select an operating mode for the onboard parallel
(printer) port. Select Normal, Compatible, or SPP unless you are certain
your hardware and software both support one of the other available modes.
VIA OnChip PCI Device
When you select this field the following menu will appear:
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Managing The PC BIOS
