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Acer TravelMate 660 Series - Elhvb.com

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I/O Address Map<br />

I/O Address Function<br />

061 System speaker<br />

000-00F DMA controller-1<br />

020-021 Interrupt controller-1<br />

040-043 Timer 1<br />

060, 064 Keyboard controller PC87591 chip select<br />

070-073 Real-time clock and CMOS<br />

0A0-0A1 Interrupt controller-2<br />

0C0-0DF DMA controller-2<br />

066, 062 ACPI EC interface (NS87591)<br />

170-177 Secondary IDE channel<br />

1F0-1F7 Primary IDE channel<br />

378, 37F Parallel port<br />

3B0-3BB<br />

3C0-3DF<br />

VGA I/O adress<br />

CF8-CFF PCI configuration register<br />

000-00F DMA controller-1<br />

IRQ Assignment Map<br />

Interrupt Channel Function(Hardware)<br />

IRQ00 System timer<br />

IRQ01 Keyboard<br />

IRQ02 Programmable interrupt controller<br />

IRQ03 IrDA Fast Infrared Port<br />

IRQ04 Communication port (COM1)<br />

IRQ05 OSMicro SmartCardBus Reader<br />

IRQ06 Standard floppy disk controller<br />

IRQ07 ECP printer port (LPT1)<br />

IRQ08 CMOS/RTC<br />

IRQ09 SCI IRQ used by ACPI bus<br />

IRQ12 PS/2 mouse<br />

IRQ13 Numeric data processor<br />

IRQ14 Primary IDE channel<br />

IRQ15 Secondary IDE channel<br />

DMA Channel Assignment<br />

Item Specification<br />

Channel 1 IrDA Fast Infrared Port<br />

Channel 3 ECP printer port<br />

Channel 4 DMA controller<br />

Chapter 1 31

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