glossary
Parallel Port Mode
This option specifies the parallel port mode. The Optimal
default setting is Normal. The Fail-Safe default setting is
Disabled. The settings are:
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. There are no Optimal and Fail-
Safe default settings because the default setting for the
Parallel Port Mode option is not EPP.
Parallel Port DMA Channel
This option is only available if the setting for the Parallel Port
Mode option is ECP. This option is ECP. This option sets the
DMA channel used by the parallel port. The settings are (DMA
Channel 0, 1, or 3. The Optimal and Fail-Safe default settings
are not provided.
Parallel Port IRQ
This option specifies the IRQ used by the parallel port. The
settings are Auto, (IRQ) 5, or (IRQ) 7. The Optimal and Fail-
Safe default settings are auto.
Page
44
Mainboard User's Manual
Setting
Normal
Bi-Dir
EPP
Description
The normal parallel port mode is used.
Use this setting to support Bidirectional transfers on the parallel port.
The parallel port can be used with devices that adhere in the
Enhanced Parallel Port (EPP) specification. ECP uses the DMA pro-
tocol to achieve data transfer rates up to 2.5 Megabits per second.
ECP provides symmetric bidirectional communication.
