
3-21
Setting BIOS Function
Serial Port 1
These items specify the base I/O port addresses of the onboard Serial Port
1 (COM A)/Serial Port 2 (COM B). Selecting
Auto
allows AMIBIOS to
automatically determine the correct base I/O port address. Settings:
Auto,
3F8/COM1
,
2F8/COM2
,
3E8/COM3
,
2E8/COM4
and
Disabled
.
Parallel Port
This field specifies the base I/O port address of the onboard parallel port.
Selecting
Auto
allows AMIBIOS to automatically determine the correct
base I/O port address. Settings:
Auto, 378
,
278
,
3BC, Disabled
Port Mode
This item selects the operation mode for the onboard parallel port:
ECP
,
Normal
,
Bi-Dir
or
EPP
.
EPP Version
The item selects the EPP version used by the parallel port if the port is set
to
EPP
mode. Settings:
1.7
,
1.9
.
Port IRQ
When
OnBoard Parallel Port
is set to
Auto
, the item shows
Auto
indicat-
ing that BIOS determines the IRQ for the parallel port automatically.
Port DMA
This feature needs to be configured only when
Parallel Port Mode
is set to
the
ECP
mode. When Parallel Port is set to
Auto
, the field will show
Auto
indicating that BIOS automatically determines the DMA channel for the
parallel port.