4. BIOS SETUP 4.4.2 I/O Device Configuration Onboard AC-Link Audio Controller [Enabled] [Enabled] allows you to use the onboard audio controller. If you want to use an add-on audio card, set this field to [Disabled]. Configuration options: [Disabled] [Enabled] 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] 4. BIOS SETUP I/O Device Config 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 options: [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. Configu- ration options: [3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/IRQ10] [Disabled] ASUS CUA User’s Manual 63