VAIO Slimtop™ Reference Manual
92
IRQ Assignments
IRQ # Default Assignment
00 System timer
01 Standard 101/102-Key or Microsoft Natural Keyboard
02 Programmable interrupt controller
03 Communications port (COM2)
04 Communications port (COM1)
06 Standard floppy disk controller
07 Printer port (LPT1)
08 System CMOS/real-time clock
09 Intel 82371AB/EB PCI to USB universal host controller
09 Lucent WinModem
®
09 ACPI IRQ holder for PCI IRQ steering
09 Ricoh RL5C475 CardBus controller
09 Vortex AU8810 multifunction PCI platform
09 Vortex AU8810 PCI audio
09 SCI IRQ used by ACPI bus
09 ACPI IRQ holder for PCI IRQ steering
10 Sony OHCI i.LINK(IEEE-1394) PCI host controller
10 ACPI IRQ holder for PCI IRQ steering
10 Realtek RTL8139(A/B/C/8130) PCI Fast Ethernet NIC
11 Sony PCI to Memory Stick
®
interface controller
11 Rage
™
128 Pro 4XL (English)
11 ACPI IRQ holder for PCI IRQ steering
12 WheelMouse1 (PS/2)
13 Numeric data processor
14 Intel 82371AB/EB PCI bus mMaster IDE controller
14 Primary IDE controller (dual FIFO)
15 Intel 82371AB/EB PCI bus master IDE controller
15
Secondary IDE controller (dual FIFO)
✍
This shows the factory default values. Windows 98 will reassign resources to best meet
the needs of a particular configuration. PCI IRQs can be shared between several PCI
devices.
