System Interrupts - Compaq Prosignia 190 Maintenance And Service Manual

INDEX PAGE
REMOVAL & REPLACEMENT
>Physical & Hardware IRQ
Environmental
IRQ 0
IRQ1
>Display
IRQ2
>Hard Drives
IRQ3
>CD/DVD
IRQ4
Drives
IRQ5
>Diskette Drive
IRQ6
>Battery Pack
IRQ7
>Modem
IRQ8
>System
IRQ9
Memory
IRQ10
>System
IRQ11
Interrupts
IRQ12
>System DMA
IRQ13
>System I/O
IRQ14
>Pin
IRQ15
Assignments
Notes:
MAINTENANCE & SERVICE GUIDE
P
ROSIGNIA
PRODUCT DESCRIPTION
ILLUSTRATED PARTS CATALOG
Specifications

System Interrupts

System timer
Keyboard controller
Cascaded
COM2
COM1
Audio (default)*
Diskette drive
Parallel Printer Port (LPT1)
Real Time Clock (RTC)
Infrared
System use
System use
Internal Point Stick or External Mouse
Coprocessor (Not available to any peripheral)
IDE Interface (Hard Disk and CD-ROM Drive)
Fixed Disk Drives on the Expansion Base or Convenience
Base
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.
N 190
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