Compaq 1275 Presario Select 1200 Series Maintenance and Service Guide - Page 85

System Interrupts

Page 85 highlights

Presario 1200 Series Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275 Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Specifications System Interrupts Hardware IRQ IRQ00 IRQ01 IRQ02 IRQ03 IRQ04 IRQ05 IRQ06 IRQ07 IRQ08 IRQ09 IRQ10 IRQ11 IRQ11 IRQ12 IRQ13 IRQ14 IRQ14 IRQ15 IRQ15 System Interrupts System Function Timer Interrupt Standard 101/102-Key or Microsoft Natural Keyboard Programmable interrupt controller Compaq Presario 56K-DF Communications Port (COM1) ES1869 Plug and Play AudioDrive Standard Floppy Disk Controller Printer Port (LPT1) System CMOS/real time clock (free) OPTi 82C861 PCI to USB Open Host Controller IRQ Holder for PCI Steering NeoMagic MagicGraph 128XD Synaptics PS/2 TouchPad Numeric data processor Primary IDE controller (dual fifo) Opti Viper Max Dual PCI IDE Controller Secondary IDE controller (dual fifo) Opti Viper Max Dual PCI IDE Controller Return to the index list of Specifications.

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Presario 1200 Series
Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
Before You Begin
Specifications
Parts Catalog
Removal Sequence
Troubleshooting
Battery Operations
Product Description
Pin Assignments
Index
Specifications
System Interrupts
System Interrupts
Hardware
IRQ
System Function
IRQ00
Timer Interrupt
IRQ01
Standard 101/102-Key or Microsoft
Natural Keyboard
IRQ02
Programmable interrupt controller
IRQ03
Compaq Presario 56K-DF
IRQ04
Communications Port (COM1)
IRQ05
ES1869 Plug and Play AudioDrive
IRQ06
Standard Floppy Disk Controller
IRQ07
Printer Port (LPT1)
IRQ08
System CMOS/real time clock
IRQ09
(free)
IRQ10
OPTi 82C861 PCI to USB Open Host
Controller
IRQ11
IRQ Holder for PCI Steering
IRQ11
NeoMagic MagicGraph 128XD
IRQ12
Synaptics PS/2 TouchPad
IRQ13
Numeric data processor
IRQ14
Primary IDE controller (dual fifo)
IRQ14
Opti Viper Max Dual PCI IDE Controller
IRQ15
Secondary IDE controller (dual fifo)
IRQ15
Opti Viper Max Dual PCI IDE Controller
Return to the index list of
Specifications
.