On Board Serial Port 1; On Board Serial Port 2; On Board Parallel Port - Abit AX5 Instruction Booklet

Introduction of BIOS

On board 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/IRQ3.3F8/IRO10, 2F8/IRQ11, 3E8/IRQ10, 2E8/IRQ11, and AUTO.

On board Serial Port 2:

This is used to specify the I/O address and IRQ of Serial Port 2. Ten
options are available: Disable, 3F8h/IRQ4, 2F8h/IRQ3, 3E8h/IRQ4 or
2E8h/IRQ3. 3F8/IRO10, 2F8/IRQ11, 3E8/IRQ10, 2E8/IRQ11, and
AUTO.
On board IR Controller:
This is to Enable or Disable the Onboard IR Controller.
/ IR Address Select:
This is used to specify the I/O address. Four options are available:
2F8H, 2E8H, 3F8H , 3E8H, 3E0H ,and 2E0H .
/ IR IRQ Select:
This is used to specify the IRQ of IR. Four options are available:
IRQ3,IRQ4,IRQ10 or IRQ11.
/ IR Transmission Delay:
Set IR transmission delays 4 character-time(40 bit-time) when SIR is
changed form RX mode to TX mode.
/ IR Mode Select:
Four options are available:
ä IrDA (HPSIR)mode.
ä ASK IR (Amplitude Shift Keyed IR)mode.

On board parallel Port:

Set the I/O address and IRQ of the onboard parallel port. Four options are
available: Disable, 3BCh/IRQ7, 278h/IRQ5 and 378h/IRQ7. Default is
378h/IRQ7.
/ Parallel Port Mode:
Can be set as ECP, EPP , ECP+EPP, or Normal (SPP) mode. Default
is Normal (SPP) mode.
/ ECP Mode Use DMA:
When the mode selected for the onboard parallel port is ECP, the
DMA channel selected can be Channel 1 or Channel 3.
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