User manual

19 SOM-5786 User Manual
Chapter 3 BIOS Operation
! UART Mode Select [Normal]
This item allows user to adjust UART mode. BIOS provides three item for
choose (Normal, IrDA and ASKIR).
! RxD, TxD Active [Hi,Lo]
This item allows user to adjust infrared ray transition of polarity.
! IR Transmission Delay [Enabled]
This item allows the user to adjust infrared ray transmission delay function.
! UR2 Duplex mode [Half]
This item allows the user to adjust infrared ray duplex function. Two options
provided.(half, Full).
Full-duplex mode permits simultaneous two-direction transmission. Half-duplex
mode permits transmission in only one direction at a time.
! Use IR Pins [IR-Rx2Tx2]
This item allows the user to adjust infrared ray pins of options (IR-Rx2Tx2,
RxD2 TxD2).
! Onboard Parallel Port [378/IRQ7]
This item allows the user to adjust parallel port of address and irq.
! Parallel Port Mode [SPP]
This item allows the user to adjust parallel port mode.
! EPP Mode Select [EPP1.7]
This item allows the user to adjust EPP standard.
! ECP Mode Use DMA [3]
This item allows the user to adjust ECP DMA resource.
! PWRON After PWR-Fail [Off]
This item allows the user to select system power status after power loss.
! USB Device Setting
This item enables users to set the OnChip USB functions, includes enable
USB1.1/2.0 controller and operation mode, and USB keyboard/mouse/storage
functions.