Ctsyn Environment Variable; Blaster Environment Variable - Creative Pavilion xl700 - Desktop PC User Manual

Understanding the Environment Variables: Sound Blaster Live! Value Sound Card User's Guide
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Understanding the Environment Variables: Sound
Blaster Live! Value Sound Card User's Guide
Overview •

CTSYN Environment Variable

Overview
Environment variables are used to pass hardware configuration information to the software in
your system. For MS-DOS, your audio card includes the following:
CTSYN Environment Variable

BLASTER Environment Variable

CTSYN Environment Variable
The CTSYN environment variable points to the location of the CTSYN.INI file, which usually
resides in the Windows directory. The syntax for this variable is as follows:
CTSYN=path
where path is the location of the CTSYN.INI file.
BLASTER Environment Variable
The BLASTER environment variable specifies the base I/O address, IRQ line, and DMA
channels of the SB interface. Its syntax is:
BLASTER=A220 I5 D1 H5 P330 T6
The parameters in the command are as follows.
This
Parameter
Axxx
Ix
Dx
Hx
Pxxx
file:///C|/Terrys/env_var.htm (1 of 2) [1/2/2001 2:09:42 PM]
Specifies
SB interface's base I/O address.
IRQ line used by the audio interface.
First DMA channel used by the audio interface.
Second DMA channel used by the audio interface.
MPU-401 UART interface's base I/O address.
• BLASTER Environment Variable