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