American Megatrends MegaDual, User Manual

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Chapter 2 AMIBIOS Setup 63
Advanced CMOS Setup,
Continued
Onboard Serial Port2 This option specifies the base I/O port address of serial port 2. The settings are
Disabled, 3F8, 3E8, or 2 E8. The Optimal setting is 2F8 . The Fail-Safe setting is Disabled.
Onboard Serial Port2 IRQ This option specifies the IRQ used by serial port 2. The settings are Disabled, or
3 or 4. The Optimal setting is 3 . The Fail-Safe setting is Disabled .
Parallel Port Address This option specifies the address used by the parallel port. The settings are
Disabled, 378, 278, or 3BC. The Optimal setting is 378 . The Failsafe setting is Disabled .
Parallel Port Mode This option specifies the parallel port mode. The settings are:
Setting Description
Normal The normal parallel port mode is used.
Bi-
Directional
Data can be sent to and received from 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.
The Optimal setting is Normal . The Failsafe setting is Disabled .
Parallel Port IRQ This option specifies the IRQ used by the parallel port. The settings are 7, or 5. The
Optimal and Fail-Safe default settings are 7 .
Cont’d