Irq Assignments - Sony PCV-LX920 - Vaio Slimtop Computer System Reference Manual

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VAIO Slimtop System Reference Manual

IRQ Assignments

IRQ # Default Assignment
(ISA) 0 System timer
(ISA) 1 Standard 101/102-Key or Microsoft® Natural PS/2® Keyboard
(ISA) 3 Communications Port (COM2)
(ISA) 4 Communications Port (COM1)
(ISA) 8 System CMOS/real time clock
(ISA) 9 Microsoft ACPI-Compliant System
(ISA) 12 PS/2 Compatible Mouse
(ISA) 13 Numeric data processor
(ISA) 14 Primary IDE Channel
(ISA) 15 Secondary IDE Channel
(PCI) 9 Lucent Win Modem
(PCI) 9 Ricoh R/RL/RT/RC/5C475(II), R5C520 or compatible CardBus
Controller
(PCI) 9 SiS 630/730
(PCI) 9 SiS 7001 PCI to USB Open Host Controller
(PCI) 9 SiS 7001 PCI to USB Open Host Controller
(PCI) 9 SiS 7018 Audio Driver
(PCI) 9 SiS 900 PCI Fast Ethernet Adapter
(PCI) 9 Sony Memory Stick® controller (PCI)
(PCI) 9 Texas Instruments OHCI Compliant IEEE 1394 Host Controller
✍
This shows the factory default values. Windows® XP operating system reassigns
resources to best meet the needs of a particular configuration. PCI IRQs can be shared
between several PCI devices.