System Interrupt Specifications - HP G50 Maintenance And Service Manual

System interrupt specifications

Hardware IRQ
IRQ0
IRQ1
IRQ2
IRQ4
IRQ6
IRQ7*
IRQ8
IRQ9*
IRQ12
IRQ13
IRQ14
IRQ15
*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
COM1
Diskette drive
Parallel port
System CMOS/real-time clock
Microsoft ACPI-compliant system
Synaptics PS/2 TouchPad
Numeric data processor
Primary IDE channel
Secondary IDE channel
System interrupt specifications 99