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Chapter 4
4-22
Full-Duplex mode permits simultaneous two-direction transmission. Half-
Duplex mode permits transmission in one direction only at a time. Settings:
Half Duplex and Full Duplex.
IR Pin Select
Set to IRRX/IRTX when using an internal IR module connected to the IR
(IR1 or IR2) connector. Set to SINB/SOUTB. when connecting an IR
adapter to COM B.
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, Disabled, 378, 278 and 3BC.
Parallel Port Mode
This item selects the operation mode for the onboard parallel port: Normal,
Bi-Dir, EPP (Enhanced Parallel Port) or ECP (Extended Capability Port).
EPP Version
The item selects the EPP version used by the parallel port if the port is set to
EPP mode. Settings: 1.7 and 1.9.
IRQ
The item shows Auto indicating that BIOS determines the IRQ for the parallel
port automatically.
DMA Channel
This feature is configured only when Parallel Port Mode is set to the ECP
mode. When Parallel Port is set to ECP, the field will show Auto indicating
that BIOS automatically determines the DMA channel for the parallel port.
OnBoard Midi Port
The item specifies I/O port address for the onboard Midi port. Settings:
Disabled, 300, 330, 290 and 292.
Midi IRQ Select
The item specifies the IRQ channel for the onboard Midi port. Settings: 5, 7,