Asus Motherboard P4S333-VM - Manual (Page 76)

4-20 Chapter 4: BIOS Setup
4.4.2 I/O Device Configuration
Floppy Disk Access Control [R/W]
When set to [Read Only], this parameter protects files from being copied to
floppy disks by allowing reads from, but not writes to, the floppy disk drive.
The default setting [R/W] allows both reads and writes. Configuration
options: [R/W] [Read Only]
Onboard Serial Port 1 [3F8H/IRQ4]
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]
IR Smart Card Reader Resource [Disabled]
These fields allow you to direct specific addresses for the onboard serial
connectors in conjunction with the UART2 options. Configuration options:
[3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/IRQ10] [Disabled]
UART2 Use As [Disabled]
This field allows you to select the device on which to assign UART2. If you
select [IR] or [Smart Card Reader], set an I/O address for the item
Onboard Serial Port 2. Configuration options: [Disabled] [IR] [Smart Card
Reader]