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6–6 Maintenance and Service Guide
Specifications
System DMA specifications
System interrupt specifications (for models with discrete graphics subsystems)
Hardware DMA System function
DMA0 Reserve
DMA1 Reserve
DMA2 Reserve
DMA3 Reserve
DMA4 Direct memory access controller
DMA5 Reserve
DMA6 Reserve
DMA7 Reserve
Hardware IRQ System function
IRQ1 Standard PS/2 Keyboard
IRQ12 PS/2 Compatible Mouse
IRQ13 Numeric data processor
IRQ16 High Definition Audio Controller
IRQ16 Standard OpenHCD USB Host Controller
IRQ16 Standard Opened USB Host Controller
IRQ17 PCI standard PCI-to-PCI bridge
IRQ17 Standard Enhanced PCI to USB Host Controller
IRQ18 Broadcom 802.11g Network Adapter
IRQ18 PCI standard PCI-to-PCI bridge
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 RTL8102E/RTL8103E Family PCI-E Fast Ethernet NIC (NDIS 6.20)
IRQ19 Standard Enhanced PCI to USB Host Controller
IRQ22 Standard AHCI 1.0 Serial ATA Controller
IRQ(-2) ATI Mobility Radeon HD 4330 Series
IRQ81-190 Microsoft ACPI-Compliant System