
System Overview
1-19
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The following table lists the hardware interrupt request (IRQ) assignments for
Dell Precision 410 systems.
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IRQ0
System timer
IRQ1
Keyboard controller
IRQ2
Enables IRQ8 through IRQ15
IRQ3
and
IRQ4
Serial ports
IRQ5 Available
IRQ6
Diskette drive interface
IRQ7
Parallel port
IRQ8
RTC
IRQ9
Available if ACPI is set to Off in System Setup program
IRQ10
Available
IRQ11
Available
IRQ12 Mouse controller
IRQ13
Math coprocessor
IRQ14 Primary EIDE interface (if Enabled in the System Setup program)
IRQ15
Secondary EIDE interface (if Enabled in the System Setup program)
NOTES: For the full name of an abbreviation or acronym used in the table, see the Glossary in
the User’s Guide.
The integrated NIC, SCSI, and sound systems will be assigned an interrupt request dynami-
cally during system start-up.
Содержание Vostro 410
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