SB Emulation in MS-DOS/ Windows 95/98 B-3
The CONFIG.SYS File
Settings
The installation program adds the following statements to the CONFIG.SYS file:
DEVICE=C:\WINDOWS\HIMEM.SYS
DEVICE=C:\WINDOWS\EMM386.EXE
System Resource
Settings
This section explains the following software SB emulation resources—not hardware resources—
of your card:
❑ Input/Output (I/O) Addresses
❑ Interrupt Request (IRQ) Line
❑ Direct Memory Access (DMA) Channel
If your card encounters a conflict with a peripheral device, you may need to change its resource
settings. For details, see “Resolving I/O Conflicts” on page D-6.
When any resource setting is changed, make sure that the environment variables (see
“Environment Variables” on page B-5) reflect the changes as well. You can view your system
environment by typing SET at the DOS prompt.
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.
In the following tables, the
preferred values are in bold.
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
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