Microcom 466 Manual do Utilizador descarregar pdf (Página 105)

NANO-GX User Manual

Page 105

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ECP

The parallel port operates in the extended capabilities

port (ECP) mode. The ECP mode supports

bi-directional communication between the system and

the parallel port device and the transmission rates

between the two are much faster than the SPP mode.

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ECP+EPP

The parallel port is compatible with both ECP and EPP

devices.

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Normal

The normal parallel port mode is the standard mode for

parallel port operation.

 x EPP Mode Select [EPP1.7]

The EPP Mode Select option is only available if the Parallel Port Mode option is set to

EPP mode. Use the EPP Mode Select option to select the parallel port mode standard for

the parallel port.

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EPP1.9

EPP 1.9 is selected as the EPP standard.

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EPP1.7

EFAULT) EPP 1.7 is selected as the EPP standard.

 x ECP Mode Use DMA [3]

The ECP Mode Use DMA option is only available if the Parallel Port Mode option is set

to ECP mode. Use the ECP Mode Use DMA option to specify the DMA channel the

parallel port must use in the ECP mode.

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The parallel port uses DMA Channel 1 in ECP mode.

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EFAULT) The parallel port uses DMA Channel 3 in ECP mode.

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Microcom 466 Manual do Utilizador Página 105