Compaq 1245 specifications System Interrupts, Hardware System Function

Maintenance & Service Guide

Presario 1200 Series

Model: 1245

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Specifications

System Interrupts

	System Interrupts
Hardware	System Function
IRQ
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

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