Creative SB0090 User Manual - Page 59

Input/Output I/O, Addresses, Interrupt Request, IRQ Line - windows 10

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Input/Output (I/O) Addresses Interrupt Request (IRQ) Line I/O addresses are communication areas used by your computer's central processor to distinguish among various peripheral devices connected to your system when sending or receiving data. Table B-1:Possible default input/output (I/O) addresses. Device Default I/O Address Range SB interface 220H to 22FH 240H to 24FH 260H to 26FH 280H to 28FH MPU-401 UART MIDI interface 300H to 301H 310H to 311H 320H to 321H 330H to 331H Stereo music synthesizer 388H to 38BH An IRQ line is a signal line that a device uses to notify your computer's central processor that it wants to send or receive data for processing. Table B-2:Possible default interrupt request (IRQ) line assignment. Device Default IRQ Line SB interface 5, 7, 9, 10 SB Emulation in MS-DOS/Windows 98 SE B-4

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SB Emulation in MS-DOS/Windows 98 SE
B-4
Input/Output (I/O)
Addresses
I/O addresses are communication areas used by your computer’s central processor
to distinguish among various peripheral devices connected to your system when
sending or receiving data.
Interrupt Request
(IRQ) Line
An IRQ line is a signal line that a device uses to notify your computer’s central
processor that it wants to send or receive data for processing.
Table B-1:Possible default input/output (I/O) addresses.
Device
Default I/O Address
Range
SB interface
220H to 22FH
240H to 24FH
260H to 26FH
280H to 28FH
MPU-401 UART MIDI
interface
300H to 301H
310H to 311H
320H to 321H
330H to 331H
Stereo music synthesizer
388H to 38BH
Table B-2:Possible default interrupt request (IRQ) line assignment.
Device
Default IRQ Line
SB interface
5
, 7, 9, 10