Abit BF6 User Manual page 55

Introduction of the BIOS
Onboard Serial Port 1:
This is used to specify the I/O address and IRQ of Serial Port 1. Six options are available:
Disabled , 3F8/IRQ4 , 2F8/IRQ3 , 3E8/IRQ4 , 2E8/IRQ3 , AUTO. The default
setting is 3F8/IRQ4.
Onboard Serial Port 2:
This is used to specify the I/O address and IRQ of Serial Port 1. Six options are available:
Disabled , 3F8/IRQ4 , 2F8/IRQ3 , 3E8/IRQ4 , 2E8/IRQ3 , AUTO. The default
setting is 2F8/IRQ3.
Onboard Serial Port 1:
This is used to specify the I/O address and IRQ of Serial Port 1. Ten options are available:
Disable, 3F8h/IRQ4, 2F8h/IRQ3, 3E8h/IRQ4 or 2E8h/IRQ3, 3F8h/IRQ10, 2F8h/IRQ11,
3E8h/IRQ10, 2E8h/IRQ11, and AUTO.
Onboard Serial Port 2:
This is used to specify the I/O address and IRQ of Serial Port 1. Ten options are available:
Disable, 3F8h/IRQ4, 2F8h/IRQ3, 3E8h/IRQ4 or 2E8h/IRQ3, 3F8h/IRQ10, 2F8h/IRQ11,
3E8h/IRQ10, 2E8h/IRQ11, and AUTO.
Onboard IR Function:
Three options are available:
Normal
IrDA (HPSIR) mode.
ASK IR (Amplitude Shift Keyed IR) mode.
UR2 Duplex Mode:
Two options are available: Full and Half. The default setting is Full. This item lets you
choose the operation mode for your IR KIT. Some IR device only can work at half
duplex mode. Refer to your IR KIT user's guide to find out which setting is correct.
RxD , TxD Active:
Set IR transmission/reception polarity as High or Low.
IR Transmission Delay:
Set IR transmission delays 4 character-time(40 bit-time) when SIR is changed from RX
mode to TX mode.
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User's Manual