Acer TravelMate 290 TravelMate 290 Service Guide - Page 44

DMA Setting for Fast IR Mode Setting Description Sets a DMA channel for the printer to operate in ECP mode. This parameter is enabled only if Mode is set to ECP. Option DMA1, DMA2, DMA3, Normak (16550), IrDA (HPSIR), ASK IR, FAST IR LPT Port Configure the system's parallel port using options: Disabled and Enabled. The table below describes the parameters in the screen. Settings in boldface are the default and suggested parameter settings. Port Definition Port Address Mode Setting Description Sets the mode for the parallel port. Standard AT: Normal mode (AT compatible) Bi-directional: Bi-directional mod (PS/2 compatible) Enhanced Parallel (EPP): EPP mode Extended Compabilities (ECP): ECP mode (requires DMA channel) Sets the base I/O address for the parallel port. When Mode is selected as EPP mode, "3BC" will not be available. If ECP mode has been selected, then DMA default is DMA1. Option Standard AT (Centronics), Bidirectional (PS-2), Enhanced Parallel (EPP), Extended Capabilities None/ LPT1, 378, IRQ7/ LPT2, 278, IRQ5/ LPT3, 3BC, IRQ7 DMA1, DAM3 Legacy USB Support Disabled: Disable support for Legacy Universal Serial Bus. Enabled: Enable support for Legacy Universal Serial Bus. 36 Chapter 2