A.3 system irq and dma resource – COMMELL HE-860 User Manual
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HE-860 User’s Manual
28
A.3
System IRQ and DMA Resource
A.3.1 IRQ
Range 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
Avance AC'97 Audio for VIA (R) Audio Controller
6
Standard Floppy Disk Controller
7
Printer Port (LPT1)
8
System CMOS/real time clock
9 (free)
10
VIA Tech VT8361/VT8601 Graphics Controller
4.12.01.3105
11 Realtek
RTL8139(A/B/C/8130)
PCI Fast Ethernet NIC
11
VIA Tech 3038 PCI to USB Universal Host Controller
12
PS/2 Compatible Mouse Port
13
Numeric data processor
14
Primary IDE controller (dual fifo)
14
VIA Bus Master PCI IDE Controller
15
Secondary IDE controller (dual fifo)
15
VIA Bus Master PCI IDE Controller
A.3.2 DMA
Range Device
0 (free)
1 (free)
2
Standard Floppy Disk Controller
3 (free)
4
Direct memory access controller
5 (free)
6 (free)
7 (free)