BIOS Configuration
Integrated Peripherals
45
IR Function Duplex:
This field is available when UART 2 Mode is
set to either ASKIR or HPSIR. This item enables you to determine
the infrared (IR) function of the onboard infrared chip. Full-duplex
means that you can transmit and send information simultaneously.
Half duplex (default) is the transmission of data in both directions,
but only one direction at a time.
TX, RX inverting enable:
Defines the voltage level for Infrared
module RX (receive) mode and TX (transmit) mode. This setting has
to match the requirements of the infrared module used in the system.
The options are:
•
Yes, No
•
No, Yes (default)
•
No, No
•
Yes, Yes
Onboard Parallel Port:
This option is used to assign the I/O address
for the onboard parallel port. The options are:
•
Disabled (disables the onboard parallel port).
•
3BC/IRQ7
•
378/IRQ7 (default)
•
278/IRQ5
Onboard Parallel Mode:
There are four options—”Normal” (de-
fault), “EPP” (Enhanced Parallel Port), “ECP” (Extended
Capabilities Port), and “ECP/EPP.” Change the mode from “Normal”
to the enhanced mode only if your peripheral device can support it.
ECP Mode Use DMA:
When the onboard parallel port is set to ECP
mode, the parallel port has the option to use DMA “3” (default) or
DMA “1.”
Parallel Port EPP Type:
Sets the EPP specification. There are two
options—”EPP1.9” (default) and “EPP1.7.”
Onboard Legacy Audio:
Enables the onboard legacy audio func-
tion. If this item is enabled the following items become available.
Sound Blaster:
Enables or disables a Sound Blaster card if installed.
SB I/O Base Address:
This item lets you set the I/O base address for
the Sound Blaster card. There are four options:
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