On Board Serial Port 1; On Board Serial Port 2; On Board Parallel Port - Abit IT5E Series User Manual

Introduction of BIOS
Onboard PS/2 Mouse:
This is to Enable or Disable the PS/2 Mouse. When in Enable, IRQ
12 is used.
On Board FDD Controller:
This is to Enable or Disable the Onboard FDD Controller.

On board Serial Port 1:

This is used to specify the I/O address and IRQ of Serial Port 1. Five
options are available: Disable, 3F8h/IRQ4, 2F8h/IRQ3, 3E8h/IRQ4
or 2E8h/IRQ3.

On board Serial Port 2:

This is used to specify the I/O address and IRQ of Serial Port 2. Five
options are available: Disable, 3F8h/IRQ4, 2F8h/IRQ3, 3E8h/IRQ4
or 2E8h/IRQ3.
Attention:Do not select the same I/O address and IRQ for the two
serial ports, otherwise the serial ports will not be able to
operate normally.
/ Onboard IR Function:
Onboard serial port 2 can support IR (Infrared) function. Three
options are available:
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/ IR Duplex Mode:
Set the IR mode as Half or Full. Default is Half.
/ IR Tr/Re Polarity:
Set IR transmission/reception polarity as High or Low.

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.
Disable: No support for IR function.
IrDA (HPSIR) mode.
ASK IR (Amplitude Shift Keyed IR) mode.
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