System Interrupt Specifications - HP Compaq Presario CQ71 Maintenance And Service Manual

System interrupt specifications

Hardware IRQ
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5*
IRQ6
IRQ7*
IRQ8
IRQ9*
IRQ10*
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
IRQ16
IRQ17
IRQ18
IRQ19
IRQ20
IRQ21
IRQ22
IRQ23
*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none.
NOTE: PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port
may assert IRQ3 or IRQ4.
System function
System timer
Standard 101-/102-Key or Microsoft® Natural Keyboard
Cascaded
Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD
COM1
Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller—24C3 Data Fax
Modem with SmartCP
Diskette drive
Parallel port
System CMOS/real-time clock
Microsoft ACPI-compliant system
Free resource
ICH9 SMBus controller
Synaptics PS/2 TouchPad
Numeric data processor
Free resource
Free resource
USB UHCI controller
Micron card reader controller
1394 OHCI controller
High definition audio controller
Ethernet controller
USB UHCI controller
USB UHCI / EHCI controller
SATA controller
USB UCHI controller
High definition audio controller
HP mobile data protection sensor
System interrupt specifications 99