Chapter 4

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.

DMAChannel

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,

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Premio Computer Aries/Centella manual DMAChannel, OnBoard Midi Port