LG Electronics LM50 · Parallel Port, · Parallel port modes, · Boot-time Diagnostic Screen

Ch3. System information

·Parallel Port

Configure the parallel port using options. (Enabled / Disabled)

Set the mode for the parallel port using options. (Output only, Bi-directional, EPP, and ECP) Set the base I/O address for the parallel port. (378 / 278 / 3BC)

Set the interrupt for the parallel port. (IRQ5 / IRQ7)

·Parallel port modes

1.Output only

The normal mode. Use this mode when you connect a printer to the parallel port.

2.Bi-directional

Allows bi-directional high speed data transfer.

3.EPP (Extended Parallel Port)

Allows a connection to a device supporting EPP, EPP uses the existing parallel port signal to allow asymmetric bi-directional data transfer with a host device.

4.ECP (Extended Capabilities Port)

Allows a connection to a device supporting ECP, ECP increases the data transfer rate and enables you to set DMA channel. (DMA1 / DMA3)

·Boot-time Diagnostic Screen

Enables the Boot-time Diagnostics Screen (Enabled / Disabled)

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