Asus X900-PI4 - Manual (Page 63)

ASUS P4T User’s Manual 63
4. BIOS SETUP
4. BIOS SETUP I/O Device Config
UART2 Use Standard Infrared [Disabled]
When enabled, this field activates the onboard standard infrared feature and sets the
second serial UART to support the infrared module connector on the motherboard.
If your system already has a second serial port connected to the onboard COM2
connector, it will no longer work if you enable the infrared feature. See IrDA-Com-
pliant Infrared Module Connector in 3.8 External Connectors. Configuration
options: [Disabled] [Enabled]
Onboard Parallel Port [378H/IRQ7]
This field sets the address of the onboard parallel port connector. If you disable this
feature, Parallel Port Mode and ECP DMA Select configurations will not be avail-
able. 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 paral-
lel port operation; [ECP] allows the parallel port to operate in bidirectional DMA
mode; [ECP+EPP] allows normal speed operation in a two-way mode. Configura-
tion 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]