HP Pavilion 9723 Desktop PC - Manual (Page 45)

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