User’s Manual
29
Onboard Serial Port 1/2/3/4
This option specifies the base I/O port address of serial port. The settings are Auto
(AMIBIOS automatically determines the correct base I/O port address), Disabled,
3F8h, 2F8h, 3E8h, or 2E8h.
Onboard Parallel Port
This option specifies the base I/O port address of the parallel port on the
motherboard. The settings are Disabled, 378h, 278h, or 3BCh. The Optimal default
setting is 378h
Parallel Port Mode
This option specifies the parallel port mode. The Optimal default setting is Normal.
The settings are:
Setting
Description
Normal
The normal parallel port mode is used.
Bi-Dir
Use this setting to support bidirectional transfers on the
parallel port.
EPP
The parallel port can be used with devices that adhere to
the Enhanced Parallel Port (EPP) specification. EPP uses
the existing parallel port signals to provide asymmetric
bidirectional data transfer driven by the host device.
ECP
The parallel port can be used with devices that adhere to
the Extended Capabilities Port (ECP) specification. ECP
uses the DMA protocol to achieve data transfer rates up to
2.5 Megabits per second. ECP provides symmetric
bidirectional communication.
EPP Version
This option specifies the Enhanced Parallel Port specification version number that
is used in the system. This option only appears if the
Parallel Port Mode
option is
set to
EPP.
The settings are
1.7
or
1.9
.
Parallel Port IRQ
This option specifies the IRQ used by the parallel port. The settings are A
uto, (IRQ)
5,
or (
IRQ) 7.
