HP e-Vectra Technical Information PDF herunterladen (Seite 44)

BIOS Overview

DMA controller

Channel Function

Free

Free if not used for parallel port in Setup

Floppy disk controller

Free if not used for parallel port in Setup

Used to cascade DMA channels 0-3

Free

Interrupt Controllers

The Interrupt Requests (IRQs) are numbered sequentially, starting with the master controller, and

followed by the slave.

Windows 98 and Windows NT4 Windows 2000 and Windows XP

IRQ

(Interrupt

Vector)

Interrupt Request Description

IRQ

(Interrupt

Vector)

Interrupt Request Description

INTR INTR

IRQ0 System Timer ISA0 System Timer

IRQ1 Keyboard Controller ISA1 Standard 101/102-Key or Microsoft Natural

PS/2 keyboard

IRQ3 Used by serial port if enabled ISA3 Communication Port (COM2)

IRQ4 Used by serial port if enabled ISA4 Communication Port (COM1)

IRQ5 Free if not used for parallel port or audio ISA6 Standard Floppy Disk Controller

IRQ6 Floppy Disk Controller ISA8 System CMOS/real time clock

IRQ7 LPT1 ISA9 Microsoft ACPI-Compliant System

IRQ8 RTC ISA12 PS/2 Compatible Mouse

IRQ9 Available for PCI devices, if not used by USB

port

ISA13 Numeric data processor

IRQ10 Available for PCI devices, if not used by USB

port

ISA14 Primary IDE Channel

IRQ11 Available for PCI devices, if not used by USB

port

ISA15 Secondary IDE Channel

IRQ12 Mouse PCI5 Intel(R) 82801BA/BAM SMBus Controller -

2443

IRQ13 Co-processor PCI17 Intel(R) 82801BA/BAM AC’97 Audio

Controller - 2445

IRQ14 IDE Primary channel PCI19 Intel(R) 82801BA/BAM USB Universal Host

Controller - 2442

IRQ15 IDE Secondary channel. Free unless disabled PCI20 Intel(R) PRO/100 VE Network Connection

PCI 23 Intel(R) 82801BA/BAM USB Universal Host

Controller - 2444

44 product description

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