7-3 onboard super io function, Onboard serial port 1/2, Onboard serial port 3/4 – Jetway Computer NF77 User Manual
Page 32: Uart2 mode select, Irda duplex mode

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RealTek LAN1 Bootrom
Decide whether to invoke the boot ROM of the onboard LAN chip.
3-7-3 Onboard Super IO Function
Phoenix – AwardBIOS CMOS Setup Utility
Onboard Super IO Function
Item Help
Onboard Serial Port1 3F8/IRQ4
Onboard Serial Port2 2F8/IRQ3
Onboard Serial Port3 3E8/IRQ5
Onboard Serial Port4 2E8/IRQ10
UART Mold Select Normal
*IR Duplex Mold Half
Onboard Parallel Port 3F8/IRQ7
Parallel Port Mold SPP
*ECP Mold Use DMA 3
Watchdog Timer Select Disabled
*Watchdog Timer Value 255
*WATCHDOG Timer Unit Sec.
Menu Level >>
↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values F6:Optimized Defaults F7:Standard Defaults
Onboard Serial Port 1/2
The optional settings are:Disabled, 3F8/IRQ4,2F8/IRQ3, 3E8/IRQ4,2E8/IRQ3, and Auto.
Onboard Serial Port 3/4
The optional settings are:Disabled, 3F8/IRQ5,2F8/IRQ10, 3E8/IRQ5,2E8/IRQ10 and Auto.
UART2 Mode Select
This item allows you to determine which InfraRed(IR) function of the onboard I/O chip. The
optional settings are Normal and IrDA.
IrDA Duplex Mode
This field is available when UART Mode is set to either ASKIR or IrDA. This item enables you
to determine the infrared function of the onboard infrared chip. The options are Full and Half