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ASUS P4T-CM User’s Manual 55
4. BIOS SETUP
4. BIOS SETUP
4.4.2 I/O Device Configuration
I/O Device Config
Onboard AC97 Controller [Auto]
The motherboard offers an AC97 Audio Controller chip. BIOS will auto-
matically activate the Audio Controller if it is available. Configuration op-
tions; [Auto] [Disabled]
Onboard Lan Controller [Enabled] (only on model with LAN)
This motherboard features an integrated LAN controller. If you want to
use it, leave it on the default setting. If you want to use an add-on LAN
card, select [Disabled]. Configuration options; [Disabled] [Enabled]
NOTE: To disable the integrated LAN controller, you must first set this
field to [Disable], shut down your system, and then restart.
Onboard FDC Swap A&B [No Swap]
This option selects drive letter assignments. Configuration options; [No
Swap] [Swap AB]
Floppy Disk Access Control [R/W]
When set to [Read Only], this field protects files from being copied to
floppy disks by allowing reads from the floppy disk drive but not writes.
The setup default [R/W] allows both reads and writes. Configuration op-
tions: [R/W] [Read Only]
Onboard Serial Port 1 [3F8H/IRQ4], Onboard Serial Port 2 [2F8H/
IRQ3]
These fields allow you to set the addresses for the onboard serial connec-
tors. Serial Port 1 and Serial Port 2 must have different addresses. Con-
figuration options: [3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/
IRQ10] [Disabled]