C.3system irq and dma resource, C.3.1 irq, System irq and dma resource – COMMELL FS-977 User Manual
Page 39: C.3 system irq and dma resource c.3.1 irq
C.3
System IRQ and DMA Resource
C.3.1 IRQ
IRQ Number Device
0
System
timer
1
Standard 101/102-Key or Microsoft Natural Keyboard
2
Programmable
interrupt
controller
3
Communications
Port
(COM2)
4
Communications
Port
(COM1)
5
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C2
5
IRQ Holder for PCI Steering
5
Intel(R) 82845G/GL Graphics Controller
6
Standard Floppy Disk Controller
7
Printer
Port
(LPT1)
8
System CMOS/real time clock
9
Intel (R) USB Enhanced Host Controller (ICH4)
9
IRQ Holder for PCI Steering
10
Avance
AC97
Audio
10
Intel(R) 82801DB/DBM SMBus Controller - 24C3
10
Intel(R) GD82559ER PCI Adapter
10
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C4
10
IRQ Holder for PCI Steering
11
Intel(R) PRO/100 VE Network Connection
11
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C7
11
IRQ Holder for PCI Steering
12
PS/2 Compatible Mouse Port
13
Numeric
data
processor
14
Primary IDE controller (dual fifo)
14
Intel(R) 82801DB Ultra ATA Storage Controller - 24CB
15
Secondary IDE controller (dual fifo)
15
Intel(R) 82801DB Ultra ATA Storage Controller - 24CB
FS-977 User’s Manual
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