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Additional Information

SC400 Rev 4 Sound Card Version 1.03


This file contains additional information and changes about the
various software that was not available at printing time.


Updates in the WINDAT Software
==============================

Windat has been updated to include three additional functions:

"WAV -> VOC" (found under the Transforms menu)
----------------------------------------------

The "WAV -> VOC" function allows you to convert your WAV-format audio
files to the VOC-format.

"Change Speed" (found also under the Transform menu)
----------------------------------------------------

The "Change Speed" function allows you to change the sampling rate of
your audio files.

"File Info..." (found under the Windows menu)
---------------------------------------------

The "File Info..." function displays the audio attributes of the
sound file currently opened in Windat.


Using Digital (.WAV) Audio with DOS 6.x's DoubleSpace*
======================================================

The DoubleSpace utility included with DOS 6.x can cause problems
if you attempt to play or record "high data rate" (i.e.: stereo/
44.1kHz/16-bit) digital audio to or from a compressed disk. In
DOSDAT or WinDAT, the symptom will be a "Disk Could Not Keep Up
With Digital Audio" error message, or in some cases the program
may even crash.

Therefore, if you anticipate that you will be playing or recording
a lot of stereo/44.1kHz/16-bit digital audio, you should set up a
non-compressed drive partition and configure both DOSDAT and WinDAT
to use this drive as their Work and Temp directories. In both
programs this is done from the Setup window.

For information on setting up a non-compressed partition for your
hard drive, refer to your DOS 6.x Users Guide.

*The same procedure should be followed if you are using Stacker, a
third-party disk compression utility.


Notes About Using EMM386.EXE
============================

When running applications with EMM386.EXE installed, the following
error message may appear:

"EMM386 DMA buffer is too small"

You can overcome this problem in two ways:

- remove the EMM386.EXE entry from the CONFIG.SYS file

OR

- add the following parameter to the EMM386.EXE entry in the
CONFIG.SYS file:

D=64

where D specifies how many kilobytes of memory should be
reserved for buffered Direct Memory Access (DMA).

An example of this may be:

C:\WINDOWS\EMM386.EXE D=64


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