Onboard Device Configuration - Acer TravelMate 520 Service Manual

Onboard Device Configuration

The parameters in this screen are for advanced users only. You do not need to change the values in this
screen because these values are already optimized.
The Onboard Device Configuration screen assigns resources to basic computer communication hardware.
The following table describes the parameters in this screen. Settings in boldface are the default and
suggested parameter settings.
Parameter
Serial Port
IrDA FIR Port
Parallel Port
Chapter 2
Description
Enables or disables the serial port.
When enabled, you can set the base I/O address and
interrupt request (IRQ) of the serial port.
Enables or disables the infrared port.
When enabled, you can set the base I/O address and
interrupt request (IRQ) and direct memory access
(DMA) channel of the infrared port.
Enables or disables the parallel port.
When enabled, you can set the base I/O address,
interrupt request (IRQ) and operation mode of the
parallel port.
If operation mode is set to ECP, the direct memory
access (DMA) channel of the parallel port is set to 1.
Options
Enabled or Disabled
3F8h, 3E8h, 2F8h or 2E8h
4 or 11
Disabled or Enabled
Enabled or Disabled
378h, 278h, or 3BCh
7 or 5
Bi-directional, ECP, EPP or
Standard
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