Acer Note Nuovo Bedienungsanleitung Seite 121

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6-14 User’s Manual
Parallel Port Base Address, Operation Mode and ECP DMA Channel
The Parallel Port Base Address parameter accepts the following values:
[378h, IRQ 7]
[3BCh, IRQ 7]
[278h, IRQ 5]
[Disabled]
The default setting is
[378h, IRQ 7]
.
The Operation Mode parameter for the parallel port accepts the following:
[Standard and Bi-directional]
[Enhanced Parallel Port (EPP)]
[Extended Capabilities Parallel Port (ECP)]
Enhanced Parallel Port (EPP) provides greater throughput by supporting
faster transfer times and a mechanism that allows the host to address
peripheral device registers directly. Extended Capabilities Port (ECP)
supports a 16-byte FIFO (first in, first out) which can be accessed by host
DMA cycles and PIO cycles.
The default setting is
[Standard and Bi-directional]
.
The ECP DMA Channel parameter lets you set the DMA channel used for
ECP mode. You are required to set a value for this parameter if you select
ECP as your parallel port operation mode. It accepts 1 or 3 as its value.
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