Biostar NF4ST-A9 Bios Setup Manual page 20

Biostar nf4st-a9 motherboard: supplementary guide
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NF4ST-A9
Onboard FDC Controller
Select Enabled if your system has a floppy disk controller (FDC) installed
on the system board and you wish to use it. If install and FDC or the system
has no floppy drive, select Disabled in this field.
The Choices: Enabled (default), Disabled.
Onboard Serial Port 1
Select an address and corresponding interrupt for the first and second serial ports.
The Choices: Disabled, 3F8/IRQ4 (default), 2F8/IRQ3, 3E8/IRQ4,
2E8/IRQ3, Auto.
Onboard IR Function
The Choices: Disabled (default), Enabled.
UART Mode Select
This item allows you to determine which Infra Red (IR) function of onboard
I/O chip.
The Choices: Normal (default), AS KIR, IrDA.
UR2 Duplex Mode
Select the value required by the IR device connected to the IR port.
Full-duplex mode permits simultaneous two-direction transmission.
Half-duplex mode permits transmission in one direction only at a time.
The Choices: Half (default), Full.
Onboard Parallel Port
This item allows you to determine access onboard parallel port controller
with which I/O Address.
The Choices: 378/IRQ7 (default), 278/IRQ5, 3BC/IRQ7, Disabled.
Parallel Port Mode
The default value is SPP.
The Choices:
SPP(default)
Using Parallel port as Standard Printer Port.
EPP
Using Parallel Port as Enhanced Parallel Port.
ECP
Using Parallel port as Extended Capabilities Port.
ECP+EPP
Using Parallel port as ECP & EPP mode.
ECP Mode Use DMA
Select a DMA Channel for the port.
The Choices: 3 (default), 1.
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