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User’s Manual
92
ECB-862/862L User’s Manual
Interrupt Usage.
The actual interrupt settings depend on the PnP handler, the table below indicates the
typical settings.
Interrupt
Description
Note
00 System
timer
01
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
02
Programmable interrupt controller
03
Communications Port (COM2)
04
Communications Port (COM1)
05
ACPI IRQ Holder for PCI IRQ Steering
05
VIA Tech 3038 PCI to USB Universal Host Controller
05
VIA Tech VT8361/VT8601 Graphics Controller
06
Standard Floppy Disk Controller
07
Printer Port (LPT1)
08
System CMOS/real time clock
09
ACPI IRQ Holder for PCI IRQ Steering
09
VIA Tech 3038 PCI to USB Universal Host Controller
10
VIA Tech 3038 PCI to USB Universal Host Controller
10
ACPI IRQ Holder for PCI IRQ Steering
10
Realtek RTL8139/810X Family PCI Fast Ethernet NIC
10
VIA Tech 3038 PCI to USB Universal Host Controller
11
VIA PCI to USB Enhanced Host Controller
11
ACPI IRQ Holder for PCI IRQ Steering
11
Realtek RTL8139/810X Family PCI Fast Ethernet NIC
11
VIA AC'97 Audio Controller (WDM)
11
SCI IRQ used by ACPI bus
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
DMA-channel Usage
DMA-channel
Description
Note
DMA2
Standard Floppy Disk Controller
DMA4
Direct memory access controller