Understanding the System Resource Settings: Sound Blaster Live! Value Sound Card User's Guide

Interrupt Request (IRQ) Line

An IRQ line is a signal line that a device uses to notify your computer’s central processor that it wants to send or receive data for processing.

Table 2. Possible default interrupt request (IRQ) line assignment.

Device

Default IRQ Line

SB interface

5, 7, 9, 10

Direct Memory Access (DMA) Channel

A DMA channel is a data channel that a device uses to transfer data directly to and from the system memory.

Table 3. Possible default direct memory access (DMA) channel assignment.

Usage

Default DMA Channel

First DMA channel

0, 1, 3

Second DMA channel

5, 6, 7

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