Super io controller, Onboard fdc controller, Onboard serial port 1 / 2 – Tyan Computer GX21 User Manual
Page 84: Uart mode select, Enabled / disabled onboard serial port 1 / 2, Normal / irda and askir

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Super IO Controller
Phoenix – AwardBIOS CMOS Setup Utility
Super IO Device
Onboard FDC Controller
Set this option to enabled if your system has a floppy disk
controller (FDC) installed on the system board and you wish
to use it. If you install an add-in FDC or if the system has no
floppy drive, set this option to disabled. The choices are:
Enabled / Disabled
Onboard Serial Port 1 / 2
To use the first and second serial ports on the system, select
an address and corresponding interrupt for the first and sec-
ond serial ports. The possible values are:
3F8/IRQ4 / 2E8/IRQ3 / 3E8/IRQ4 / 2F8/IRQ3 /
Disabled / Auto
UART Mode Select
This option allows the second serial port to be used either as
a normal serial port or as an infrared port. Select Normal for a
normal serial port. The choices are:
Normal / IrDA and ASKIR
Onboard FDC Controller
Onboard Serial Port 1
Onboard Serial Port 2
UART Mode Select
RxD, TxD Active
IR Transmission Delay
UR2 Duplex Mode
Onboard Parallel Port
Parallel Port Mode
EPP Mode Select
ECP Mode Use DMA
[Enabled]
[3F8 / IRQ4]
[2F8 / IRQ3]
[Normal]
[Hi, Lo]
[Enabled]
[Half]
[378 / IRQ7]
[SPP]
[EPP1.7]
[3]
Item Help
_________________________
Menu Level
XX
↑↓←→
: Move Enter: Select +/-/PU/PD: Value F10: Save ESC: Exit F1: General Help
F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults