Irq summary – Sony PCV-RX270DS User Manual
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IRQ Summary
IRQ
Description
00
System timer.
01
Standard 101/102-Key or Microsoft Natural Keyboard.
02
Programmable interrupt controller.
03
YAMAHA AC-XG audio device.
03
Intel 82801AA SM bus controller.
03
ACPI IRQ holder for PCI IRQ steering.
04
Communications port (COM1).
06
Standard floppy disk controller.
07
Printer port (LPT1).
08
System CMOS/real time clock.
09
SCI IRQ used by ACPI bus.
09
Intel
®
82801AA USB universal host controller.
09
Sony OHCI i.LINK(IEEE 1394) PCI host controller.
09
WDM communication device.
09
ACPI IRQ holder for PCI IRQ steering.
09
ACPI IRQ holder for PCI IRQ steering.
10
MPU-401-compatible MIDI device.
11
NVIDIA GeForce2 MX (Sony).
11
ACPI IRQ holder for PCI IRQ steering.
12
PS/2-compatible mouse port.
13
Numeric data processor.
14
Primary IDE controller (dual FIFO).
14
Intel 82801AA bus master IDE controller.
15
Secondary IDE controller (dual FIFO).
15
Intel 82801AA bus master IDE controller.