Irq assignments – Sony PCV-E204 User Manual

Page 103

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Miscellaneous Technical Information

95

IRQ Assignments

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.

IRQ #

Default Assignment

0

System timer

1

Standard 101/102-key or Microsoft

®

Natural Keyboard

2

Programmable interrupt controller

3

LT WinModem NV #3

4

Communications port (COM1)

5

Shared between IRQ holder for PCI steering, ES1938 PCI AudioDrive,
and ES1938 AudioDrive device manager

6

Standard diskette drive controller

7

Printer port (LPT1)

8

System CMOS/real time clock

9

Shared between IRQ holder for PCI steering and Intel 82371AB/EB
PCI-to-USB Universal Host Controller

10

Open

11

Shared between IRQ holder for PCI steering and Rage Pro Turbo 1X
(English) (DirectX)

12

PS/2-compatible mouse port

13

Numeric data processor

14

Shared between primary IDE controller (dual FIFO) and Intel
82371AB/EB PCI bus master IDE controller

15

Shared between secondary IDE controller (dual FIFO) and Intel
82371AB/EB PCI bus master IDE controller

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