Asus P4BGL-MX - Manual (Page 48)

2-18 Chapter 2: BIOS Information
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], 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.
UART2 Use As [COM Port]
This field allows you to select the device on which to assign UART2.
Configuration options: [COM Port] [IR]
Onboard Parallel Port [378H/IRQ7]
This field allows you to set 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]
Parallel Port Mode [ECP+EPP]
This field allows you to set the operation mode of the parallel port.
[Normal] allows normal-speed operation but in one direction only; [EPP]
allows bidirectional parallel port operation; [ECP] allows the parallel port to
operate in bidirectional DMA mode; [ECP+EPP] allows normal speed
operation in a two-way mode. Configuration options: [Normal] [EPP] [ECP]
[ECP+EPP]
ECP DMA Select [3]
This field allows you to configure the parallel port DMA channel for the
selected ECP mode. This selection is available only if you select [ECP] or
[ECP+EPP] in Parallel Port Mode above. Configuration options: [1] [3]
2.4.2 I/O Device Configuration