Compaq nc8000 HP Compaq nc8000 Business PC, HP Compaq nw8000 Mobile Workstatio - Page 155

Table 6-13, System Interrupts

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Specifications Hardware IRQ System Function Table 6-13 System Interrupts IRQ0 System timer IRQ1 Keyboard controller IRQ2 Cascaded IRQ3 COM2 IRQ4 COM1 IRQ5 Audio (default)* IRQ6 Diskette drive IRQ7 Parallel port IRQ8 RTC IRQ9 Assigned by operating system IRQ10 Assigned by operating system IRQ11 Assigned by operating system IRQ12 Internal point stick or external mouse IRQ13 Infrared IRQ14 Primary IDE interface IRQ15 Secondary IDE interface ✎ 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. *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. Maintenance and Service Guide 6-13

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Specifications
Maintenance and Service Guide
6–13
Table 6-13
System Interrupts
Hardware
IRQ
System
Function
IRQ0
System timer
IRQ1
Keyboard controller
IRQ2
Cascaded
IRQ3
COM2
IRQ4
COM1
IRQ5
Audio (default)*
IRQ6
Diskette drive
IRQ7
Parallel port
IRQ8
RTC
IRQ9
Assigned by operating system
IRQ10
Assigned by operating system
IRQ11
Assigned by operating system
IRQ12
Internal point stick or external mouse
IRQ13
Infrared
IRQ14
Primary IDE interface
IRQ15
Secondary IDE interface
✎
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.
*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9,
IRQ10, or none.