Acer TravelMate 520 TravelMate 520 Service Guide - Page 34
IRQ Assignment Map, DMA Channel Assignment, I/O Address Map, 3B0-3BB, 3C0-3DF
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I/O Address Map I/O Address 278-27F 2E8-2EF 2F8-2FF 378, 37F 3B0-3BB, 3C0-3DF 3F0-3F5/3F7 3E8-3EF 3F8-3FF 480-48F, 4D6 4D0-4D1, CF8-CFF IRQ Assignment Map NMI IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5 IRQ6 IRQ7 IRQ8 IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 Interrupt Channel DMA Channel Assignment DRQ0 DRQ1 DRQ2 DRQ3 DRQ4 DRQ5 DRQ6 DRQ7 DMA Channel Function Parallel port 3 Lucent Technologies Soft Modem AMR ALi Fast Infrared Controller Printer Port (LPT 1) Video Controller Standard Floppy Disk Controller COM3 COM1 or LT Win modem (optional) DMA controller-1 PCI configuration register Function System errors System timer Keyboard Cascade IrDA COM1 Reserved Floppy LPT1 Real time clock SCI Audio/Modem/LAN USB/VGA/Cardbus PS2 pointing device Numeric data processor 1st IDE device (hard disk) 2nd EIDE device (CD-ROM drive) Not used Not used Floppy FIR DMA controller Not used Not used Not used Function 28 Chapter 1