ESS Technology, Inc

Windows95 Driver Version 4.05.00.0175

Date: 12/04/97

Future driver updates can be downloaded from
ftp.essservice.com/outgoing/platform

platform is a hidden directory.

The followings are the new features and/or bug fixes since the last 
release: 

- Fixed the failure in the Oct ACT DirectSound Driver test.

- Fixed channel reverse issue at 8bit/Stereo palyback.

- Fixed channel reverse iusse when panning in the DirectSound Streaming 
Tests.

- Fixed the issue in the MIDI playback that there is still music coming
from both speakers when it's panned to the left or right. 

- Fixed the legacy resource allocation issue in native DOS at some of 
the BIOS when the BIOS option "PnP OS=yes" is set.

- Fixed the noise issue during MIDI playback when the Chorus is turned on
first time.

- Fixed the digital sound issue at the DirectSound game "Wing COmmander: 
Prophecy 3Dfx". 

- Fixed the fading/static noise issue in recording with mono format.

- Fixed the setup utility issue in which "Maestro Device Manager" may 
not be removed.

- Fixed a special MIDI playback issue when MIDI-Y is played after MIDI-X.

- Fixed a gunshot issue at the game "X-Wing vs. TIE Fighter DX".

- [for Agogo-XP Bridge customers only] New Maestro.com and mstrmg.vxd to 
support special parameters setting in the CONFIG.SYS.  
The default settings are: Bridge reg_1Bh[7:0]=00h,  reg_40h[7:0]=81h
If these two fields are to be changed manually, one line needs to be 
added in the CONFIG.SYS:
SET MAESTRO=-B1B:XX -B40:XX   
where XX is the Bridge reg value in HEX. 


NOTE: 

- To upgrade or uninstall the driver automatically, please use
  the "setup.exe" utility in the driver release.
- To change the "DOS Game" support level, please use the "setup.exe"
  utility in the driver release.
- Two flags are added in the INF files as default options to enable or
  disable game supports in Real_Mode_DOS and/or in DOS Box.  In
  this release, both flags are enabled as default. These two flags 
  need to be disabled for PC97 logo certification. Please contact
  ESS FAEs for assistance on PC97 logo submission.

  a) "GameSupport" flag in MAESTRO.INF 
  This flag is to enable/disable game support in DOS Box.

  HKR,,GameSupport,1,01,00  ; Enable Game Support in DOS Box
  HKR,,GameSupport,1,00,00  ; Disable Game Support in DOS Box

  b) "TrueDOSSupport" flag in MSTROWT.INF
  This flag is to enable/disable game support in Real_Mode DOS.

  HKR,Config,TrueDOSSupport,1,01,00 ; Enable Game Support in Real_Mode
  HKR,Config,TrueDOSSupport,1,00,00 ; Disable Game Support in Real_Mode

The followings are known issues which are being resolved by the software
group:

- In APM mode, when MIDI playback is resumed from suspend mode, the audio
playback could continue but an error meessage is shown: "Your computer
cannot go on standby because a device driver or program won't allow it".



