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The following table lists the hardware interrupt request (IRQ) assignments for 7DEOHthe/LQH,54DellPrecision8VHG,QWHUUXSW%\610$YDLODEOHmini5HTXHVWtower$system.VVLJQPHQWV
IRQ0 | System timer |
IRQ1 | Keyboard controller |
IRQ2 | Enables IRQ8 through IRQ15 |
IRQ3 | Serial ports |
and |
|
IRQ4 |
|
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
