Asus P4B-MX - Manual (Page 74)

4-20 Chapter 4: BIOS Setup
UART2 Use Standard Infrared [Disabled]
This field allows you to select the device on which to assign UART2.
Configuration options: [Disabled] [Enabled]
Onboard Parallel Port [378H/IRQ7]
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]
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]
Onboard AC97 Audio Controller [Auto]
Onboard AC97 Modem Controller [Auto]
[Auto] allows the BIOS to detect whether you are using any modem/audio
device. If a modem/audio device is detected, the onboard modem/audio
controller is enabled; if no modem/audio device is detected, the controller
is disabled. If there are conflicts with the onboard modem/audio controller,
set the appropriate field to [Disabled]. Configuration options: [Disabled]
[Auto]
Onboard Game Port [200H-207H]
This field allows you to select the I/O address for the game port.
Configuration options: [Disabled] [200H-207H] [208H-20FH]
Onboard MIDI I/O [Disabled]
This field allows you to select the I/O address for the game port.
Configuration options: [Disabled] [330H-331H] [300H-301H]