ASUS a7n266-vmaa Manuel D’Utilisation

Onboard FDC Swap A & B [No Swap]
This field allows you to reverse the hardware drive letter assignments of
your floppy disk drives. Configuration options: [No Swap] [Swap AB]

Floppy Disk Access Control [R/W]
Set this field to read and write the floppy disk (R/W).  Change to [Read Only]
for reading disks.

Onboard Serial Port 1 [3F8H/IRQ4]
Onboard Serial Port 2 [2F8H/IRQ3]
These fields allow you to set the addresses for the onboard serial connectors.
Serial Port 1 and Serial Port 2 must have different addresses. Configuration
options: [3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/IRQ10] [Disabled]

UART2 Use Standard Infrared [Disabled]
This field can activate the onboard standard infrared feature and sets the
second serial UART to support the infrared module connector on the
motherboard.  See IrDA-Compliant Infrared Module Connector in 3.8
Connectors. Configuration options: [Disabled] [Enabled]

This field sets the address of the onboard parallel port connector.  If you
disable this field, the Parallel Port Mode and ECP DMA Select configurations
are not available. Configuration options: [Disabled] [378H/IRQ7] [278H/IRQ5]