HP Pavilion dv4-2100 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 113

System interrupt specifications, Hardware IRQ, System function

Page 113 highlights

Specifications System interrupt specifications Hardware IRQ IRQ1 IRQ4 IRQ12 IRQ13 IRQ16 IRQ16 IRQ16 IRQ16 IRQ17 IRQ17 IRQ18 IRQ18 IRQ18 IRQ18 IRQ19 IRQ19 IRQ19 IRQ19 IRQ22 IRQ23 IRQ81-190 System function Standard 101/102-key keyboard or Microsoft Natural PS/2 Keyboard with HP ENE CIR Receiver Alps Pointing-device(2-way) for 14-In Wide LCD Numeric data processor High Definition Audio Controller PCI standard PCI-to-PCI bridge Standard OpenHCD USB Host Controller Standard OpenHCD USB Host Controller PCI standard PCI-to-PCI bridge Standard Enhanced PCI to USB Host Controller Broadcom 4322AG 802.11a/b/g/draft-n Wi-Fi Adapter PCI standard PCI-to-PCI bridge Standard OpenHCD USB Host Controller Standard OpenHCD USB Host Controller High Definition Audio Controller PCI standard PCI-to-PCI bridge Realtek PCIe FE Family Controller Standard Enhanced PCI to USB Host Controller Standard AHCI 1.0 Serial ATA Controller HP Mobile Data Protection Sensor Microsoft ACPI-Compliant System Maintenance and Service Guide 6-7

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Specifications
Maintenance and Service Guide
6–7
System interrupt specifications
Hardware IRQ
System function
IRQ1
Standard 101/102-key keyboard or Microsoft Natural PS/2 Keyboard with HP
IRQ4
ENE CIR Receiver
IRQ12
Alps Pointing-device(2-way) for 14-In Wide LCD
IRQ13
Numeric data processor
IRQ16
High Definition Audio Controller
IRQ16
PCI standard PCI-to-PCI bridge
IRQ16
Standard OpenHCD USB Host Controller
IRQ16
Standard OpenHCD USB Host Controller
IRQ17
PCI standard PCI-to-PCI bridge
IRQ17
Standard Enhanced PCI to USB Host Controller
IRQ18
Broadcom 4322AG 802.11a/b/g/draft-n Wi-Fi Adapter
IRQ18
PCI standard PCI-to-PCI bridge
IRQ18
Standard OpenHCD USB Host Controller
IRQ18
Standard OpenHCD USB Host Controller
IRQ19
High Definition Audio Controller
IRQ19
PCI standard PCI-to-PCI bridge
IRQ19
Realtek PCIe FE Family Controller
IRQ19
Standard Enhanced PCI to USB Host Controller
IRQ22
Standard AHCI 1.0 Serial ATA Controller
IRQ23
HP Mobile Data Protection Sensor
IRQ81-190
Microsoft ACPI-Compliant System