Acer Aspire 4250 - Page 52

1-42 Hardware Specifications and Configurations
System Interrupt Specification
Hardware IRQ System Function
IRQ0 High precision event timer
IRQ1 Standard PS/2 Keyboard
IRQ8 High precision event timer
IRQ12 Synaptics PS/2 Port Touchpad
IRQ13 Numeric data processor
IRQ16
 Atheros AR8152/8158 PCI-E Fast Etherent Controller (NDIS
6.20)
 High Definition Audio Controller
 PCI standard PCI-to-PCI bridge
 PCI standard PCI-to-PCI bridge
IRQ17
 Broadcom 802.11n Network Adapter
 Standard Enhanced PCI to USB Host Controller
 Standard Enhanced PCI to USB Host Controller
 Standard Enhanced PCI to USB Host Controller
IRQ18
 Standard OpenHCD USB Host Controller
 Standard OpenHCD USB Host Controller
 Standard OpenHCD USB Host Controller
 Standard OpenHCD USB Host Controller
IRQ19 Standard AHCI1.0 Serial ATA Controller
IRQ81 Microsoft ACPI-Compliant System
IRQ82 Microsoft ACPI-Compliant System
IRQ83 Microsoft ACPI-Compliant System
IRQ84 Microsoft ACPI-Compliant System
IRQ85 Microsoft ACPI-Compliant System
IRQ86 Microsoft ACPI-Compliant System
IRQ87 Microsoft ACPI-Compliant System
IRQ88 Microsoft ACPI-Compliant System
IRQ89 Microsoft ACPI-Compliant System
IRQ90 Microsoft ACPI-Compliant System
IRQ91 Microsoft ACPI-Compliant System
IRQ92 Microsoft ACPI-Compliant System
IRQ93 Microsoft ACPI-Compliant System
IRQ94 Microsoft ACPI-Compliant System
IRQ95 Microsoft ACPI-Compliant System
IRQ96 Microsoft ACPI-Compliant System