ES1887 AudioDrive OS/2 Driver
Version 2.02
Software Release Notes
January 23, 1997
About This Release
ESS Technology is providing updated OS/2 drivers for the
ES1887/ES1888 AudioDrive chips in this Software Release. These
drivers are complete updates to prior ESS releases for both
OS/2 Warp 4.0 and OS/2 Warp 3.0.
This document provides:
- a description of the changes to the drivers
- installation notes
Please read this document completely before you upgrade your
system, and follow the instructions carefully.
Release Information
Product: ES1887 AudioDrive OS/2 Device Driver,
Version 2.02
Drivers: ES1887/ES1888 (with ESFM and wavetable)
OS: OS/2 Warp 4.0 and OS/2 Warp 3.0
Release Date: January 23, 1997
Release Description
The ES1887 AudioDrive OS/2 Driver Software Release incorporates
new changes done to the previous release, Version 1.06.
Version 2.02 Changes
A number of modifications is made to support the new OS/2
Warp 4.0.
Version 1.06 Changes
1. The installation program has been changed for computers
which have PnP BIOS capability.
2. The OS/2 driver has been enhanced to support DMA 5 and DMA 6
for the second DMA channel.
Version 1.05 Changes
1. The OS/2 driver has been modified to run correctly in OS/2
Warp 4.0.
2. WIN-OS/2 driver fixes the small buffer record/playback
problem in SpeechViewer III.
Version 1.03 Changes
BIOS audio volume control support
The driver checks the master volume before changing it in case
the BIOS or other application has modified it.
ES1888 AudioDrive support
The ES1887 AudioDrive OS/2 driver can be used for ES1888
AudioDrive chip.
Plug and Play (PnP) BIOS support
The installation program, EINSTALL, will automatically detect
the PnP BIOS capability in the system, system resource setting
like IRQ, DMA and IO ranges will be specified correctly in the
CONFIG.SYS file according to the PnP BIOS configuration for the
AudioDrive.
Known Problems
1. For OS/2 Warp 3.0, opening too many MIDI files makes the
OS/2 system unstable. This problem is related to MMPM/2 and
depends on system resource. On systems with 8 Mbs memory,
the limit is 3; 16 Mbs, 6.
2. Tempo in MIDI files may not be 100% accurate due to timing
delay and MMPM/2 architecture.
3. For OS/2 Warp 3.0, running MCI commands "seek wave to #" and
then "play wave" to a 16-bit wave file sometimes generates
very loud static noise. Likewise using "record wave from #"
to record a 16-bit wave file may generate wrong file. It
all depends on the seek position.
4. To be able to play and record wave files at the same time,
the enforcement of only one active wave file by MMPM/2 is
relaxed. Therefore, some problems or erratic behaviors may
pop up if two wave files are played. To achieve full duplex
operation in ES1888, 2 IRQ and 2 DMA system resources must
be available for the ES1888 AudioDrive.
5. The OS/2 driver allows sharing of audio and MPU-401
interrupts, but it is not recommended. If both are shared,
occasionally too much MIDI in data will lock up AudioDrive's
interrupt processing when a wave file is played or recorded.
To get out of this situation, stop the wave file, stop the
MIDI in source, close all MIDI files, and restart the wave
file to re-initialize AudioDrive's interrupt processing.
6. Due to the nature of MIDI music, turning MIDI in on while
the MIDI in data are coming may not generate the right
sounds. It is recommended to stop the MIDI in source first
before enable MIDI in.
Installation Notes
To install the new drivers successfully the following steps
must be taken:
1. Open an OS/2 Window and run the EINSTALL.EXE program on
the installation disk by typing "A:EINSTALL." The program
first runs ESDETECT.EXE to auto-detect the chip, then calls
ESUNINST.EXE to remove old drivers. That program will
create a backup of CONFIG.SYS named CONFIG.ESS and remove
the audio device lines from CONFIG.SYS. It also creates a
backup of MMPM2.INI named MMPM2.ESS and removes the audio
drivers information from MMPM2.INI. In addition, it
removes any other ESS driver information in COMPLIST.INI.
After then, the installation program calls Multimedia
Application Install program, MINSTALL.EXE. After it
finishes, another program, ESCONFIG.EXE, will be called to
update CONFIG.SYS if necessary.
2. When Multimedia Application Install program brings up, a
check mark beside ES1887 AudioDrive means that item is
already selected. To toggle selection, click the mouse on
the item. Click the Install button to start the
installation. Once the drivers are installed, shutdown
OS/2 and reset the computer for the new ES1887 drivers to
take effect.
3. If the installation cannot be completed, read the logs
EINSTALL.LOG in \MMOS2\INSTALL subdirectory and
MINSTALL.LOG in \MMOS2\INSTALL subdirectory or root
directory to find out the problem.
4. If during the installation an error saying the audio device
is already in use by another application comes up, make
sure all applications that utilize audio have been closed.
If this is caused by system sounds not closing the audio
device, you have three options to remedy this situation:
A. Remove the audio driver by running ESUNINST.EXE.
B. Go to Sounds object in System Setup folder and uncheck
Enable system sounds option. After the driver is
installed properly, check the option to enable system
sounds.
C. Run DINSTSND.CMD in d:\MMOS2\INSTALL subdirectory. After
the driver is installed properly, run INSTSND.CMD d: to
enable system sounds.
Perform one of these operations and reboot to disable system
sounds. Install the drivers again.
5. If the resources of the AudioDrive chip have been changed
by the BIOS, run ESCFG.BAT in \MMOS2 in a DOS session to
update the driver settings in CONFIG.SYS.
6. If WIN-OS/2 is installed in the system, start WIN-OS/2 and
run "A:\SETUP" to install WIN-OS/2 drivers. If the system
has installed AudioDrive driver previously, run "A:\SETUP"
twice to install successfully. Change the WIN-OS/2
settings to the following if necessary:
AUDIO_ADAPTER_SHARING = Required
INT_DURING_IO = On
7. Since OS/2 Warp 3.0 MINSTALL.EXE changes the icons of MIDI
player and Digital Video player to that of Digital Audio
player in the Multimedia folder, you may want to change them
back to the originals. To change the icon of MIDI player,
right click MIDI player to bring up the menu. Select
Settings, select General, and click the Find... button. In
the Start Folder window, enter \MMOS2\INSTALL. Click the
Find button and a window of all found icons appears. Select
MIDIPLAY.ICO and click OK. Close the MIDI player Settings
notebook. For Digital Video player, repeat the above steps
but select VIDPLAY.ICO instead.
8. If the MIDI plays are not smooth in WIN-OS/2, you need to
change the timer resolution. Edit SYSTEM.INI in your
Windows directory. Under [timer.drv] are TIMERMax386Res
and TIMERMax286Res. You need to change the values to less
than 8 from the default of 10.
These are the files copied to your hard disk:
\MMOS2
ES1887DD.SYS
VAUDDRV.SYS
ESDAEMON.EXE
ES938.EXE
\MMOS2\DLL
CARDINFO.DLL
ESSVSD88.DLL
\MMOS2\HELP
ES1887IN.HLP
ES1888IN.HLP
\OS2\BOOT
CLOCK01.SYS
CLOCK02.SYS
TIMER0.SYS
\WINDOWS
AUDDRIVE.HLP
AUDMPU.HLP
\WINDOWS\SYSTEM
AUDMPU.DRV
ESSDAEMN.EXE
ES1887WN.386
ES1887WN.DRV
MIDIMAP.CFG
MSMIXMGR.DLL
VOLAPI.DLL
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.