Specifications
Maintenance and Service Guide 6–13
Hardware IRQ System Function
IRQ12 Synaptics PS/2 port pointing device
IRQ13 Numeric data processor
IRQ14 Primary IDE channel
IRQ15 Secondary IDE channel
IRQ17 Conexant AC -Link Audio
IRQ17 Soft V90 Data Fax Modem with SmartCP
IRQ17 ATi Mobility Radeon Xpress 200 Series
IRQ19 Standard Enhanced PCI to USB Host Controller
IRQ19 Standard OpenHCD USB Host Controller
IRQ19 Standard OpenHCD USB Host Controller
IRQ20 TI 6411 PCIxx21/x515 Cardbus Controller
IRQ20 TI OHCI Compliant IEEE 1394 Host Controller
IRQ21 TI Integrated PCIxx21 FlashMedia Controller
IRQ21 Broadcom 802.11b/g WLAN
IRQ21 Microsoft ACPI-compliant system
IRQ22 Realtek RTL8100CL Family PCI fast Ethernet
Controller
IRQ23 SDA Standard Compliant SD Host Controller
*Default configuration
✎
ExpressCard may assert IRQ3, IRQ4, IRQ5, IRQ7, or IRQ20.
Table 6-9
System Interrupts
(Continued)