Acer TravelMate 620 TravelMate 620 Service Guide - Page 44

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 Parallel Port ECP DMA Channel Default Wireless Device Description Options Enables or disables the serial port. The serial port is a PnP device. Enabled/Disabled setting will not affect the Windows Device Manager setting of the serial port. When enabled, you can set the base I/O address and interrupt request (IRQ) of the serial port. Enabled or Disabled 3F8h, 2F8h, 3E8h, or 2E8h 4 or 3 Enables or disables the parallel port. The parallel port is a PnP device. Enabled/Disabled setting will not affect the Windows Device Manager setting of the parallel port. When enabled, you can set the base I/O address, interrupt request (IRQ) and operation mode of the parallel port. Enabled or Disabled 378h, 278h, or 3BCh 7 or 5 Bi-directional, ECP, or Standard Sets a DMA channel for the printer to operate in ECP 1 or 3 mode. This parameter is enabled only if Operation Mode is set to ECP. Select default wireless device when system boot. User may select preferred device as default wireless device, or disable all wireless device to prevent unnecessary RF signals. For the model without Bluetooth or Wireless LAN, the corresponding items should be invisible. Disable, Wireless LAN, Blutooth 36 Chapter 2