Compaq Armada e500 Compaq Armada E500 and Armada V300 Series Maintenance and S - Page 141

Table 6-14, System Interrupts, Hardware IRQ, System Function

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Table 6-14 System Interrupts Hardware IRQ System Function IRQ0 System timer IRQ1 Keyboard controller IRQ2 Cascaded IRQ3 IRQ4 COM2 COM1 IRQ5 Audio (default)* IRQ6 Diskette drive IRQ7 Parallel port IRQ8 IRQ9 Real time clock (RTC) Infrared IRQ10 System use IRQ11 System use IRQ12 Internal point stick or external mouse IRQ13 IRQ14 Coprocessor (not available to any peripheral) IDE interface (hard disk and CD-ROM drive) IRQ15 Fixed disk drives on the expansion base or convenience base *Default configuration; audio possible configurations are: IRQ5, IRQ7, IRQ9, IRQ10, or none. NOTE: PCMCIA cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. 6-12 Specifications

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6
-
12
Specifications
Table 6-14
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
Real time clock (RTC)
IRQ9
Infrared
IRQ10
System use
IRQ11
System use
IRQ12
Internal point stick or external mouse
IRQ13
Coprocessor (not available to any peripheral)
IRQ14
IDE interface (hard disk and CD-ROM drive)
IRQ15
Fixed disk drives on the expansion base or convenience base
*
Default configuration; audio possible configurations are: IRQ5, IRQ7, IRQ9, IRQ10,
or none.
NOTE:
PCMCIA cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or
IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4.