EasyManuals Logo

Compaq Deskpro EN Series User Manual

Compaq Deskpro EN Series
234 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #170 background imageLoading...
Page #170 background image
8-2 Specifications
8.1.2 System Interrupts
Hardware IRQ System Function
IRQ 0 System Timer Interrupt (Not on ISA Bus)
IRQ 1 Keyboard (Not on ISA Bus)
IRQ 2 Primary/Secondary Controller 8254 Interface
IRQ 3 Serial Port B
IRQ 4 Serial Port A
IRQ 5 Audio (Alternate = IRQ 7, 9, 10, 11, or 12)
IRQ 6 Diskette Drive Controller
IRQ 7 Parallel Port (LPT 1)
IRQ 8 Real-Time Clock
IRQ 9 PCI Slots/USB/AGP (Optional)
IRQ 10 PCI Slots/USB/AGP (Optional)
IRQ 11 PCI Slots/USB/AGP (Default)
IRQ 12 Mouse
IRQ 13 Numeric Coprocessor
IRQ 14 Primary IDE Controller
IRQ 15 Secondary IDE Controller
8.1.3 System DMA
Hardware DMA System Function
DMA 0 Audio
DMA 1 Audio (Alternate = DMA 0)
DMA 2 Diskette Drive
DMA 3 ECP Parallel Port LPT1
DMA 4 DMA Controller Cascading (Not on ISA Bus)
DMA 5 Unused
DMA 6 Unused
DMA 7 Unused

Table of Contents

Other manuals for Compaq Deskpro EN Series

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Compaq Deskpro EN Series and is the answer not in the manual?

Compaq Deskpro EN Series Specifications

General IconGeneral
BrandCompaq
ModelDeskpro EN Series
CategoryDesktop
LanguageEnglish

Related product manuals