Specifications

 

Table 7-11

 

System Interrupts

 

 

IRQ

System Function

 

 

IRQ0

System timer

 

 

IRQ1

Standard 101-/102-Key or Microsoft Natural Keyboard

 

 

IRQ2

Cascaded

 

 

IRQ3

SMC IrCC - Fast Infrared Port

 

 

IRQ4

COM1

 

 

IRQ5*

Not assigned

 

 

IRQ6

Diskette drive

 

 

IRQ7*

Parallel port

 

 

IRQ8

System CMOS/real-time clock

 

 

IRQ9*

Microsoft ACPI-compliant system

 

 

IRQ10*

Mobile Intel 915GM/PM Express PCI Express Root Port - 2591

 

Intel 82801FB/FBM USB Universal Host Controller - 2658

 

Intel 82801FB/FBM USB Universal Host Controller - 265B

 

Intel 82801FB/FBM USB2 Enhanced Host Controller - 265C

 

Intel 82801FB/FBM PCI Express Root Port - 2660

 

ATI MOBILILITY RADEON X300

 

SDA Standard Compliant Secure Digital Host Controller

 

TI OHCI Compliant IEEE 1394 Host Controller

 

TI PCI GemCore based SmartCard Controller

 

TI PCIxx21 Integrated FlashMedia Controller

 

TI PCIxx21/x515 Cardbus controller

 

Agere System AC '97 Modem

 

 

7–14

Maintenance and Service Guide