Acer TravelMate 260 TravelMate 220 Service Guide - Page 43

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. Onboard Devices Configuration Page 1/1 Serial Port Base Address IRQ [Enabled ] /[Disabled ] [3F8h] /[2F8h]/[3E8h]/[2E8h] [4 ] /[3 ] Paralel Port Base Address IRQ Operation Mode ECP DMA Channel [Enabled ] /[Disabled ] [378h] /[278h]/[3BCh] [7] /[5 ] [Bi-directional] /[ECP] /[EPP] /[Standard ] [1] /[3 ] ↑↓ = Move highlight bar, ← →= Change setting, F1 = Help The following table describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Parameter Serial Port Parallel Port Description Enables or disables the serial port. The serial port is a PnP device. Enabled/Disabled setting won't affect the setting of the serial port in device manager of Windows. When enabled, you can set the base I/O address and interrupt request (IRQ) of the serial port. Enables or disables the parallel port. The parallel port is a PnP device. Enabled/Disabled setting won't affect the setting of the parallel port in device manager of Windows. 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, 2F8h, 3E8h or 2E8h 4 or 3 Enabled or Disabled 378h, 278h, or 3BCh 7 or 5 Bi-directional, EPP, ECP or Standard NOTE: When the device is disabled, all the sub-items will be showed as [--]. 34 Chapter 2